Compare actual collagen per labelled daily serving and keep preparation and source visible. Gram-scale hydrolysed peptides and milligram-scale undenatured type II are not dose-equivalent, and a blend or total scoop weight is not the same as collagen. Where directions give a range, the range is shown and daily cost uses the low end (no directions: one unit a day). Read the dose guide ↓

Collagen product comparison
#	Product	Source / type	Daily dose	Price/day	Testing	Score
1	NOW UC-II Undenatured Type II Collagen 10mg – CapsulesNOW120 capsules	Undenatured type IIChickenCapsuleType II	10 mg	$0.29per day$34.26 per packBuy Nowon Amazon	Testing evidence Evidence status Recognised certification Manufacturer statement NSF Certified for Sport registry page for NOW Foods UC-II Joint Health with Undenatured Type II Collagen, 120 Capsules (SKU 733739031365) Laboratory Not recorded Certification body NSF Certified for Sport Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:12:15 Certification record ↗ Manufacturer testing page ↗	Why this score? Testing & evidence 20/20 Ingredient/formulation quality 24/25 Value 15/20 Dose transparency 15/15 Manufacturer transparency 6/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
2	Great Lakes Wellness Collagen Peptides 20g – PowderGreat Lakes Wellness22 servings	Hydrolysed peptides BovinePowder	20 gAbove typical rangeTypical: 5–15 g/day	$1.25per day$27.49 per packBuy Nowon Amazon	Testing evidence Evidence status Recognised certification Manufacturer statement Nutrasource registry page states: "IGEN™ Certified" and "This product has PASSED because it does not contain detectable amounts of genetically engineered GMO proteins and genes included in the IGEN™ testing panel." Laboratory Not recorded Certification body IGEN™ / Nutrasource Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:33:16 Certification record ↗ Manufacturer testing page ↗	Why this score? Testing & evidence 20/20 Ingredient/formulation quality 23/25 Value 14/20 Dose transparency 14/15 Manufacturer transparency 4/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
3	Vital Proteins Collagen Peptides 20g – PowderVital Proteins13 servings	Hydrolysed peptides BovinePowderType I and III	20 gAbove typical rangeTypical: 5–15 g/day	$1.43per day$18.65 per packBuy Nowon Amazon	Testing evidence Evidence status Recognised certification Manufacturer statement NSF Certified for Sport listing for "Vital Proteins Collagen Peptides" shows Brand: Vital Proteins LLC, Product Form: Powder, Flavor: Unflavored, Serving Size: 20 g (4 Tbsp), and lot numbers 24137-1C3 / 24121-1C3 / 24116-1C3 / 24127-1C3 / 24130-1C3. Laboratory Not recorded Certification body NSF Certified for Sport Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:34:33 Certification record ↗ Manufacturer testing page ↗	Why this score? Testing & evidence 20/20 Ingredient/formulation quality 24/25 Value 11/20 Dose transparency 14/15 Manufacturer transparency 4/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
4	Orgain Hydrolyzed Collagen Peptides 20g – PowderOrgain22 servings	Hydrolysed peptides BovinePowderType I and III	20 gAbove typical rangeTypical: 5–15 g/day	$0.96per day$21.12 per packBuy Nowon Amazon	Testing evidence Evidence status Recognised certification Manufacturer statement Nutrasource registry page for Orgain’s product states: “IGEN™ Certified” and “This product has PASSED because it does not contain detectable amounts of genetically engineered GMO proteins and genes included in the IGEN™ testing panel.” Laboratory Not recorded Certification body Nutrasource (IGEN™) Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:30:43 Certification record ↗ Manufacturer testing page ↗	Why this score? Testing & evidence 20/20 Ingredient/formulation quality 24/25 Value 15/20 Dose transparency 10/15 Manufacturer transparency 4/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
5	Vital Proteins Marine Collagen Peptides 10g – PowderVital Proteins22 servings	Hydrolysed peptides MarinePowderType I	10–20 gWithin typical rangeTypical: 5–15 g/day	$1.41per day$30.91 per packBuy Nowon Amazon	Testing evidence Evidence status Recognised certification Manufacturer statement NSF Certified Product Search page for "Vital Proteins Collagen Peptides" lists Brand: Vital Proteins LLC, Product Form: Powder, Flavor: Unflavored, Package Size: 265 g, 284 g, and shows the product is certified for sport; Vital Proteins' own product page also states Marine Collagen is made from scales of non-GMO Certified, wild-caught cod. Laboratory Not recorded Certification body NSF Certified for Sport Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:16:22 Certification record ↗ Manufacturer testing page ↗	Why this score? Testing & evidence 20/20 Ingredient/formulation quality 24/25 Value 13/20 Dose transparency 11/15 Manufacturer transparency 4/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
6	Nutricost Collagen Peptides 11g – PowderNutricost41 servings	Hydrolysed peptides BovinePowder	11 gWithin typical rangeTypical: 5–15 g/day	$0.56per day$22.95 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement Manufacturer site says: "THIRD-PARTY TESTED†" and "Nutricost products are tested by an independent, accredited lab to help verify that what’s on the label is what’s in the bottle." Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:13:26 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 23/25 Value 18/20 Dose transparency 15/15 Manufacturer transparency 6/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
7	Thorne Collagen Fit 15g – PowderThorne30 servings	Hydrolysed peptides BovinePowderType I and III	15–30 gWithin typical rangeTypical: 5–15 g/day	$1.87per day$56.00 per packBuy Nowon Amazon	Testing evidence Evidence status Recognised certification Manufacturer statement NSF Certified for Sport registry page for Thorne® Collagen Fit shows the product listing and details, including Brand: Thorne®, Product Form: Powder, Flavor: Unflavored, Package Size: 506 g, Serving Size: 1 scoop (16.85 g), and Lot #s. Thorne’s product page also states: “Because athletes need to know their supplements are trustworthy and compliant, every batch of an NSF Certified for Sport® product is tested for compliance with label claims and to ensure the absence of nearly 300 substances banned by many major athletic organizations.” Laboratory Not recorded Certification body NSF Certified for Sport Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:11:11 Certification record ↗ Manufacturer testing page ↗	Why this score? Testing & evidence 20/20 Ingredient/formulation quality 24/25 Value 9/20 Dose transparency 11/15 Manufacturer transparency 6/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
8	Alaya Naturals Multi Collagen Powder – PowderAlaya Naturals40 servings	Hydrolysed peptidesMulti-sourcePowderTypes I, II, III, V, X (as marketed)	Amount not stated	$1.12per day$44.95 per packBuy Nowon Amazon	Testing evidence Evidence status Recognised certification Manufacturer statement Manufacturer page says: "NEW: Our Unflavored Multi Collagen now meets the requirements of NSF's Contents Certified program!" NSF registry independently lists "Alaya Naturals Multi Collagen Unflavored" under Alaya Naturals LLC with product form Powder and serving size 1 scoop (9.6 g). Laboratory Not recorded Certification body NSF Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:28:12 Certification record ↗ Manufacturer testing page ↗	Why this score? Testing & evidence 20/20 Ingredient/formulation quality 21/25 Value 15/20 Dose transparency 7/15 Manufacturer transparency 9/10 Label/ingredient transparency 7/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
9	Garden of Life Grass Fed Collagen Peptides 20g – PowderGarden of Life28 servings	Hydrolysed peptides BovinePowderType I and III	20 gAbove typical rangeTypical: 5–15 g/day	$1.17per day$32.89 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement Garden of Life’s product page says: “The entire line is Non-GMO Tested and Certified and NSF Gluten Free.” It also says: “When you see these certifications, you can be sure our products undergo a thorough testing process.” Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:22:11 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 24/25 Value 15/20 Dose transparency 14/15 Manufacturer transparency 6/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
10	Sports Research Collagen Peptides 11g – PowderSports Research41 servings	Hydrolysed peptides BovinePowderType I and III	11–22 gWithin typical rangeTypical: 5–15 g/day	$0.80per day$32.95 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement Amazon listing images and Sports Research product page state: "Third Party Tested" and show badges/text for "Informed Choice," "IGEN Non-GMO Tested," and "Certified NSF Gluten-Free." The Sports Research page also says "Third Party Tested Certified" and lists "Informed Choice" and "Certified NSF Gluten-Free." Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:34:10 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 24/25 Value 17/20 Dose transparency 11/15 Manufacturer transparency 6/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
11	Naked Collagen Peptides 9.5g – PowderNaked60 servings	Hydrolysed peptides BovinePowderType I and III	9.5–19 gWithin typical rangeTypical: 5–15 g/day	$0.70per day$41.99 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement Manufacturer page states: "CONTENTS CERTIFIED BY NSF" and "This supplement is NSF-certified, which means its contents are thoroughly tested for accuracy and purity, and has been confirmed for no harmful levels of contaminants, including heavy metals and pesticides." Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:10:36 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 24/25 Value 18/20 Dose transparency 11/15 Manufacturer transparency 4/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
12	Live Conscious Collagen Peptides 11g – PowderLive Conscious41 servings	Hydrolysed peptides BovinePowderType I and III	11 gWithin typical rangeTypical: 5–15 g/day	$0.83per day$34.00 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement Manufacturer FAQ says: "We are happy to assure you that all our products are tested ..." and the product page says "We make sure each batch is tested for purity, potency, and efficacy" and "Backed by Independent Lab Testing" / "3rd-Party Tested." Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:31:48 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 24/25 Value 16/20 Dose transparency 11/15 Manufacturer transparency 4/10 Label/ingredient transparency 9/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
13	NOW BioCell Collagen 0.57g – CapsulesNOW120 capsules	Hydrolysed peptidesChickenCapsuleType II	1.14 g	$0.85per day$25.49 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement NOW product page says: "Made and quality tested in the USA with globally sourced ingredients." It also says "Clinically Validated," but that is efficacy/marketing language, not a purity/potency certification. Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:07:28 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 21/25 Value 15/20 Dose transparency 11/15 Manufacturer transparency 6/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
14	Micro Ingredients Multi Collagen Peptides powder 11g – PowderMicro Ingredients82 servings	Hydrolysed peptidesMulti-sourcePowderTypes I, II, III, V, X (as marketed)	11 g	$0.61per day$49.95 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement Micro Ingredients FAQ: "Are your products third-party lab tested? Yes, our products are third-party lab tested for heavy metals and micro-organisms." Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:23:40 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 21/25 Value 15/20 Dose transparency 11/15 Manufacturer transparency 6/10 Label/ingredient transparency 9/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
15	Micro Ingredients Multi Collagen Peptides capsules 1.1g – CapsulesMicro Ingredients240 capsules	Hydrolysed peptidesMulti-sourceCapsuleTypes I, II, III, V, X (as marketed)	0.367 g	$0.31per day$24.95 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement Micro Ingredients FAQ: "Are your products third-party lab tested? Yes, our products are third-party lab tested for heavy metals and micro-organisms." Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:20:27 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 21/25 Value 15/20 Dose transparency 11/15 Manufacturer transparency 6/10 Label/ingredient transparency 9/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
16	Physician’s CHOICE Collagen Peptides – PowderPhysician’s Choice35 servings	Hydrolysed peptides BovinePowderType I and III	Amount not stated	$0.57per day$19.97 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement Manufacturer site says: "We work with independent laboratories, including Eurofins and Light Labs, to test our products for purity, potency, and safety." and the product page says the collagen powder is "third-party tested." Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:06:31 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 21/25 Value 15/20 Dose transparency 7/15 Manufacturer transparency 9/10 Label/ingredient transparency 8/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
17	BUBS Naturals Collagen Peptides 20g – PowderBUBS Naturals28 servings	Hydrolysed peptides BovinePowder	20 gAbove typical rangeTypical: 5–15 g/day	$1.68per day$46.94 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement Manufacturer page says: "Our collagen supplement is halal and kosher certified, non-GMO, gluten-free, and soy-..." and the Amazon listing says "Premium Grass-Fed Bovine Collagen Powder featuring hydrolysed peptides for superior absorption and bioavailability." I did not find an independently verifiable third-party purity/potency testing or certification page for this specific product. Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:15:26 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 23/25 Value 11/20 Dose transparency 14/15 Manufacturer transparency 4/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
18	Momentous Grass-Fed Collagen Peptides 10g – PowderMomentous30 servings	Hydrolysed peptides BovinePowder	10 gWithin typical rangeTypical: 5–15 g/day	$1.73per day$51.99 per packBuy Nowon Amazon	Testing evidence Evidence status No public evidence located Manufacturer statement Manufacturer site says: "QUALITY MANUFACTURING: Our state of the art manufacturing facilities maintain adherence to superior standards and are FDA and NSF registered. All Natures Plus products are crafted with only safe, high-quality ingredients." It also says the product is "further supported by collagen digesting enzymes from papaya to maximize absorption and bioavailability." Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:18:53 Manufacturer testing page ↗	Why this score? Testing & evidence 4/20 Ingredient/formulation quality 23/25 Value 10/20 Dose transparency 15/15 Manufacturer transparency 6/10 Label/ingredient transparency 10/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
19	Vital Vitamins Multi Collagen Peptides Complex capsules – CapsulesVital Vitamins150 capsules	Hydrolysed peptidesMulti-sourceCapsuleTypes I, II, III, V, X (as marketed)	Amount not stated	$0.48per day$23.95 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement Manufacturer page says the product is "Third-party tested" and the image text says "Third-party tested. Formal COA and GMP certificate available upon request." Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:29:39 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 21/25 Value 15/20 Dose transparency 7/15 Manufacturer transparency 4/10 Label/ingredient transparency 8/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
20	NativePath Collagen Peptides – PowderNativePath45 servings	Hydrolysed peptides BovinePowderType I and III	Amount not stated	$0.87per day$38.99 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement NativePath has a blog post titled “Why NativePath Tests Every Single Lot—And What That Really Means for You,” which is a genuine testing claim, but I could not independently verify it with a readable product-specific COA/lab report or an independent certification registry entry for this specific NativePath Collagen Peptides product. Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:17:22 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 21/25 Value 15/20 Dose transparency 7/15 Manufacturer transparency 4/10 Label/ingredient transparency 7/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
21	Anthony’s Hydrolyzed Collagen Peptide Powder – PowderAnthony’s41 servings	Hydrolysed peptides BovinePowder	Amount not stated	$0.66per day$26.99 per packBuy Nowon Amazon	Testing evidence Evidence status No public evidence located Manufacturer statement Not recorded Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 18:20:43	Why this score? Testing & evidence 4/20 Ingredient/formulation quality 20/25 Value 15/20 Dose transparency 7/15 Manufacturer transparency 9/10 Label/ingredient transparency 7/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
22	Cevitol Marine Collagen Peptides 15.01g – PowderCevitol30 servings	Hydrolysed peptides MarinePowder	15.01 gAbove typical rangeTypical: 5–15 g/day	$1.43per day$42.95 per packBuy Nowon Amazon	Testing evidence Evidence status No public evidence located Manufacturer statement Not recorded Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:19:23	Why this score? Testing & evidence 4/20 Ingredient/formulation quality 23/25 Value 12/20 Dose transparency 10/15 Manufacturer transparency 4/10 Label/ingredient transparency 8/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
23	Youtheory Advanced Collagen tablets 6g – TabletsYoutheory290 tablets	Hydrolysed peptides BovineTabletType I, II, III (as marketed)	1 gBelow typical rangeTypical: 5–15 g/day	$0.42per day$19.99 per packBuy Nowon Amazon	Testing evidence Evidence status Testing claimed Manufacturer statement Youtheory product page says: "Committed to Quality — Our products are rigorously tested for purity & potency" and "Backed by Science". Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:14:12 Manufacturer testing page ↗	Why this score? Testing & evidence 9/20 Ingredient/formulation quality 17/25 Value 10/20 Dose transparency 0/15 Manufacturer transparency 6/10 Label/ingredient transparency 9/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
24	NeoCell Collagen Peptides caplets 6g – TabletsNeoCell270 tablets	Hydrolysed peptides BovineTabletType I and III	1 gBelow typical rangeTypical: 5–15 g/day	$0.46per day$20.92 per packBuy Nowon Amazon	Testing evidence Evidence status No public evidence located Manufacturer statement Friend of the Sea states that Wild Nutrition has been certified for its Collagen 500 Plus for responsible sourcing of marine collagen. Laboratory Not recorded Certification body Not recorded Batch Not recorded Batch-specific report Not established in this record Report date Not recorded Evidence checked 2026-09-27 14:09:20 Manufacturer testing page ↗	Why this score? Testing & evidence 4/20 Ingredient/formulation quality 17/25 Value 9/20 Dose transparency 0/15 Manufacturer transparency 4/10 Label/ingredient transparency 9/10 Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.

Source / type: Undenatured type IIChickenCapsuleType II
Daily dose: 10 mg

Formulation & serving details

Format: Capsule
Serving: 1 capsule (40 mg UC-II providing 10 mg total collagen)
Servings/day: 1
Pack size: 120 capsules

Full ingredients and formulation →

$0.29per day$34.26 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowder
Daily dose: 20 gAbove typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 2 scoops (20 g)
Servings/day: 1
Pack size: 22 servings

Full ingredients and formulation →

$1.25per day$27.49 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowderType I and III
Daily dose: 20 gAbove typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 4 tablespoons (20 g)
Servings/day: 1
Pack size: 13 servings

Full ingredients and formulation →

$1.43per day$18.65 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowderType I and III
Daily dose: 20 gAbove typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 2 scoops (20 g)
Servings/day: Not disclosed
Pack size: 22 servings

Full ingredients and formulation →

$0.96per day$21.12 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides MarinePowderType I
Daily dose: 10–20 gWithin typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 1 scoop (about 10 g)
Servings/day: Not disclosed
Pack size: 22 servings

Full ingredients and formulation →

$1.41per day$30.91 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowder
Daily dose: 11 gWithin typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 1 scoop
Servings/day: 1
Pack size: 41 servings

Full ingredients and formulation →

$0.56per day$22.95 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowderType I and III
Daily dose: 15–30 gWithin typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 1 scoop (16.85 g)
Servings/day: Not disclosed
Pack size: 30 servings

Full ingredients and formulation →

$1.87per day$56.00 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptidesMulti-sourcePowderTypes I, II, III, V, X (as marketed)
Daily dose: Amount not stated

Formulation & serving details

Format: Powder
Serving: 1 scoop
Servings/day: Not disclosed
Pack size: 40 servings

Full ingredients and formulation →

$1.12per day$44.95 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowderType I and III
Daily dose: 20 gAbove typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 1 scoop (20 g)
Servings/day: 1
Pack size: 28 servings

Full ingredients and formulation →

$1.17per day$32.89 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowderType I and III
Daily dose: 11–22 gWithin typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 1 scoop
Servings/day: Not disclosed
Pack size: 41 servings

Full ingredients and formulation →

$0.80per day$32.95 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowderType I and III
Daily dose: 9.5–19 gWithin typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 1 scoop (9.5 g)
Servings/day: Not disclosed
Pack size: 60 servings

Full ingredients and formulation →

$0.70per day$41.99 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowderType I and III
Daily dose: 11 gWithin typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 1 line-fill scoop (11 g)
Servings/day: Not disclosed
Pack size: 41 servings

Full ingredients and formulation →

$0.83per day$34.00 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptidesChickenCapsuleType II
Daily dose: 1.14 g

Formulation & serving details

Format: Capsule
Serving: 2 capsules (1 g BioCell Collagen)
Servings/day: 2
Pack size: 120 capsules

Full ingredients and formulation →

$0.85per day$25.49 per pack

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Source / type: Hydrolysed peptidesMulti-sourcePowderTypes I, II, III, V, X (as marketed)
Daily dose: 11 g

Formulation & serving details

Format: Powder
Serving: 1 serving
Servings/day: Not disclosed
Pack size: 82 servings

Full ingredients and formulation →

$0.61per day$49.95 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptidesMulti-sourceCapsuleTypes I, II, III, V, X (as marketed)
Daily dose: 0.367 g

Formulation & serving details

Format: Capsule
Serving: 3 capsules
Servings/day: Not disclosed
Pack size: 240 capsules

Full ingredients and formulation →

$0.31per day$24.95 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowderType I and III
Daily dose: Amount not stated

Formulation & serving details

Format: Powder
Serving: 1 scoop
Servings/day: 1
Pack size: 35 servings

Full ingredients and formulation →

$0.57per day$19.97 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowder
Daily dose: 20 gAbove typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 1 scoop (20 g)
Servings/day: 1
Pack size: 28 servings

Full ingredients and formulation →

$1.68per day$46.94 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowder
Daily dose: 10 gWithin typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 1 scoop
Servings/day: 1
Pack size: 30 servings

Full ingredients and formulation →

$1.73per day$51.99 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptidesMulti-sourceCapsuleTypes I, II, III, V, X (as marketed)
Daily dose: Amount not stated

Formulation & serving details

Format: Capsule
Serving: 3 capsules
Servings/day: 1
Pack size: 150 capsules

Full ingredients and formulation →

$0.48per day$23.95 per pack

View Analysis Buy Now on Amazon

Source / type: Hydrolysed peptides BovinePowderType I and III
Daily dose: Amount not stated

Formulation & serving details

Format: Powder
Serving: 1 scoop
Servings/day: Not disclosed
Pack size: 45 servings

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$0.87per day$38.99 per pack

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Source / type: Hydrolysed peptides BovinePowder
Daily dose: Amount not stated

Formulation & serving details

Format: Powder
Serving: 1 serving
Servings/day: Not disclosed
Pack size: 41 servings

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$0.66per day$26.99 per pack

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Source / type: Hydrolysed peptides MarinePowder
Daily dose: 15.01 gAbove typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Powder
Serving: 3 scoops (15 g)
Servings/day: Not disclosed
Pack size: 30 servings

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$1.43per day$42.95 per pack

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Source / type: Hydrolysed peptides BovineTabletType I, II, III (as marketed)
Daily dose: 1 gBelow typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Tablet
Serving: 6 tablets
Servings/day: Not disclosed
Pack size: 290 tablets

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$0.42per day$19.99 per pack

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Source / type: Hydrolysed peptides BovineTabletType I and III
Daily dose: 1 gBelow typical rangeTypical: 5–15 g/day

Formulation & serving details

Format: Tablet
Serving: 6 caplets
Servings/day: Not disclosed
Pack size: 270 tablets

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$0.46per day$20.92 per pack

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One-time purchase prices; delivery and conditional discounts excluded. Daily cost uses the recorded label serving. Comparison amounts are not personal dose recommendations. Unknown Prime eligibility is not treated as confirmed.

Collagen forms and labels explained

Collagen preparation and animal source are separate fields. Compare the actual collagen amount, then use preparation and source to interpret evidence, allergen and formulation differences.

Hydrolyzed collagen peptides

Gram-scale peptide preparation

Typical label unit: g
Evidence areas: Skin, joints, bone, exercise

Different peptide products and branded preparations are not automatically clinically interchangeable.

Gelatin

Denatured collagen preparation

Typical label unit: g
Study context: Preparation-specific

Gelatin evidence should not be copied onto ordinary hydrolyzed peptide products.

Undenatured type II collagen

Native type II preparation

Typical study unit: mg
Key distinction: Not gram-equivalent

A 40 mg undenatured type II product cannot be ranked as under-dosed against a multi-gram peptide powder.

Marine fish collagen

Source classification

Source: Fish / marine species
US issue: Major allergen context

Marine source does not prove collagen type or superior efficacy. Record the fish species where disclosed.

Bovine collagen

Source classification

Source: Bovine material
Do not infer: Collagen type

Bovine source alone does not establish type I, molecular weight, hydrolysis or clinical superiority.

Collagen dose depends on the preparation

FDA's current Daily Value table lists protein at 50 g but does not provide a collagen-specific Daily Value. [2] A general protein DV should not be converted into a collagen-supplement target.

Clinical study amounts vary by preparation and goal. Hydrolyzed collagen studies generally use gram-scale servings; examples include 10 g/day for activity-related joint pain and 5 g/day for a bone-density study. [10] [11] By contrast, a key knee-osteoarthritis trial of undenatured type II collagen used only 40 mg/day. [8] These are not interchangeable doses.

No collagen-specific RDA/AI or UL was identified in the official US sources checked. Compare the label-supported amount and preparation without inventing a universal optimal range.

What the collagen evidence shows

Skin evidence is mixed. A 2026 systematic review of 25 randomized trials reported improvements in many hydration, elasticity and wrinkle studies, but most included trials were rated at high risk of bias. [5] A separate 2025 meta-analysis found overall benefits, yet non-industry-funded studies and high-quality studies showed no significant benefit. [6]

For knee osteoarthritis, an updated meta-analysis of 11 RCTs found pooled improvements in pain and function, but the trials used different collagen-based preparations and had substantial heterogeneity. [7] Product pages should therefore avoid turning “collagen” into one evidence grade.

Collagen evidence by goal

Evidence by goal
Goal	Evidence strength	What was assessed	Typical study context	Main limitation
Skin hydration, elasticity and wrinkles	Mixed / low-to-moderate confidence	Hydrolyzed collagen across randomized trials	2026 review included 25 RCTs; many reported benefits, but most were high risk of bias.	Product heterogeneity and funding/quality effects; stronger subgroups in a 2025 meta-analysis did not show significant benefit.
Knee osteoarthritis symptoms	Promising but preparation-dependent	Multiple collagen-based preparations	2024 meta-analysis of 11 RCTs and 870 participants found pooled pain/function improvements.	High heterogeneity; formulations and doses differ.
Activity-related joint pain	Limited	Collagen hydrolysate 10 g/day	24-week randomized placebo-controlled athlete trial.	Older study, attrition and selected athletic population.
Bone mineral density	Limited, population-specific	Specific collagen peptides 5 g/day	12-month RCT in postmenopausal women with reduced BMD.	Cannot establish a general adult prevention dose.

Read the full evidence-by-goal detail

Skin hydration, elasticity and wrinkles

Hydrolyzed collagen has positive RCTs, but confidence is reduced by heterogeneous formulations, high risk of bias and funding effects. [5] [6]

Joint discomfort and knee osteoarthritis

Meta-analysis suggests benefit for pain and function, but different preparations are pooled. [7] Undenatured type II collagen has separate milligram-dose evidence and should not be scored as though it were a low-dose collagen powder. [8]

Bone and exercise outcomes

A 12-month RCT using 5 g/day specific collagen peptides reported BMD improvements in postmenopausal women with reduced BMD, while short exercise studies have produced mixed mechanistic results. [11] [14]

When to take collagen

No universal morning-versus-evening benefit was identified for collagen supplements. Follow the product directions unless a healthcare professional gives different instructions.

Exercise research sometimes uses deliberate pre-exercise timing. A small study gave vitamin-C-enriched gelatin one hour before exercise, but the trial measured collagen-synthesis markers rather than injury prevention. [9] That protocol should not become a universal timing rule.

Collagen safety, source and allergens

Who should be cautious?If any of the following apply to you, speak to a healthcare professional before taking Collagen - see the full detail below for why.

People with fish or other relevant animal-source allergies
People avoiding bovine, porcine, fish or chicken ingredients for dietary or religious reasons
Pregnant or breastfeeding people who have not checked the full product and co-ingredients with a healthcare professional
People with kidney, metabolic, joint, bone or connective-tissue disorders requiring individualized care
People using multi-ingredient collagen products alongside prescription medicines

FDA does not approve dietary supplements for safety and effectiveness before they are marketed. [1] The absence of a collagen-specific UL in the official sources checked is not proof that any intake is safe.

Source species matters. Fish is a major food allergen under US labeling law when fish protein is present. [4] Current commercial products include bovine collagen peptide powders and cod-derived marine collagen, so source and allergen fields should be recorded explicitly. [12] [13]

People with relevant food allergies, medical conditions, pregnancy/breastfeeding considerations or ongoing treatment should not infer individual safety from a comparison score alone.

Collagen blends and added ingredients

Collagen supplements may contain vitamin C, hyaluronic acid, biotin, minerals, sweeteners or other ingredients. Record every active separately. Total scoop weight is not the same as collagen weight, and a benefit associated with another ingredient should not be credited to collagen.

Combination products also need their own allergen and label review. FDA's dietary-supplement framework places responsibility on firms for lawful, non-misleading products; supplements are not pre-approved for efficacy. [1]

Who might consider collagen

Adults considering collagen for skin or joint goals should compare the specific preparation used in relevant studies with the product label. Evidence for hydrolyzed peptides does not automatically validate gelatin or undenatured type II, and vice versa. [5] [7] People using collagen to manage diagnosed osteoarthritis, osteoporosis or another condition should use clinical guidance rather than treating a retail comparison as treatment advice.

How to compare collagen testing evidence

Useful collagen testing evidence should verify the exact finished product, actual collagen/protein content, batch where relevant, contaminant scope and source identity. Marine products need clear fish-source/allergen information; branded peptides and undenatured type II products need evidence that actually addresses the claimed preparation.

FDA CGMP requirements address identity, purity, quality, strength, composition and contamination controls. [3] That does not make every manufacturer testing claim independent certification, and it does not prove clinical efficacy.

Testing evidence in this comparison

A testing claim is not the same as a verified report. No public evidence located does not mean a product has not been tested.

Testing review pending0

Recognised certification7

Verified independent evidence0

Manufacturer COA0

Testing claimed13

No public evidence located4

What does collagen cost?

Current US comparison set, based on the daily serving shown on each label.

$0.29Lowest daily cost

$0.84Median daily cost

$1.87Highest daily cost

Your questions, answered

How many grams of collagen should I take per day?

There is no one evidence-based dose for every preparation. Hydrolyzed collagen trials use gram-scale servings, while undenatured type II collagen trials can use only 40 mg/day. [8] Use the preparation-specific evidence and label directions rather than one universal target.

Is marine collagen better than bovine collagen?

No blanket superiority was established in the evidence reviewed. Marine and bovine describe source. Preparation, actual collagen amount, peptide profile, allergen status, testing and the exact product used in a study are separate factors.

Does collagen help skin?

Some trials report improvements, but evidence quality is inconsistent. In a 2025 meta-analysis, significant benefits were not seen in non-industry-funded studies or high-quality-study subgroups. [6]

Is undenatured type II collagen the same as collagen peptides?

No. Undenatured type II is a distinct native preparation, often studied at milligram doses such as 40 mg/day, whereas hydrolyzed collagen peptide powders are usually supplied in grams. [8]

Can marine collagen contain a major allergen?

Yes. Fish is a major food allergen in the US when fish protein is present. [4] Check the species/source and allergen statement on the exact product.

Sources & methodology

Read our methodology and how we verify testing.

Page updated26 Sep 2026

Editorial reviewSources checked 2026-09-26; editorial preview

Product evidenceSee individual records

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Collagen forms and labels explained

Hydrolyzed collagen peptides

Gelatin

Undenatured type II collagen

Marine fish collagen

Bovine collagen

Collagen dose depends on the preparation

What the collagen evidence shows

Collagen evidence by goal

Skin hydration, elasticity and wrinkles

Joint discomfort and knee osteoarthritis

Bone and exercise outcomes

When to take collagen

Collagen safety, source and allergens

Collagen blends and added ingredients

Who might consider collagen

How to compare collagen testing evidence

Testing evidence in this comparison

What does collagen cost?

Your questions, answered

Sources & methodology