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Product analysis · Nature’s Bounty

Nature’s Bounty Zinc 50mg Caplets

Gluconate · Tablet

Why this score?
Testing & evidence
0/25
Ingredient/formulation quality
11/20
Value
10/20
Dose context & clarity
8/15
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.
Testing transparency: 0/25
TabletFormat
50 mgDaily dose
100 capletsPack size
—Price/day
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The score, explained

Our scoring methodology
Testing & evidence0/100
0 points contributed · weighting 25
Ingredient/formulation quality55/100
11 points contributed · weighting 20
Value50/100
10 points contributed · weighting 20
Dose context & clarity50/100
8 points contributed · weighting 15
Manufacturer transparency55/100
6 points contributed · weighting 10
Label/ingredient transparency100/100
10 points contributed · weighting 10

The score compares product data, not medical effectiveness or individual suitability. Prime and affiliate commission contribute no points.

Testing & evidence

No public evidence located

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
2026-09-15 19:01:36

Dose & value

Zinc form
GluconateTablet
Serving size
1 caplet daily, with a meal
Pack size
100 caplets
Servings per day
1
Price per day
—
Price last checked
Not disclosed

Daily cost uses the recorded label serving; a larger dose earns no value advantage. The label serving is not a recommendation for your personal intake.

Zinc formulation details

Zinc comparison form
Gluconate
Zinc compounds as disclosed
Gluconate
Elemental zinc / serving (mg)
50
Elemental zinc / day (mg)
50
Compound mass / serving (mg), only if disclosed
Not disclosed
Label NRV / serving (%)
Not disclosed
Calculated zinc NRV / serving (%)
500
Copper included (yes / no / unknown)
no
Elemental copper / serving (mg)
Not disclosed
Copper printed in micrograms, if stated
Not disclosed
Elemental copper / day (mg)
Not disclosed
Copper form as disclosed
Not listed
Vitamin C included as active (yes / no / unknown)
no
Vitamin C / serving (mg)
Not disclosed
Pack size as labelled
100 caplets
Recommended serving / frequency
1 caplet daily, with a meal
Comparison basis for a serving range
Not disclosed
Units / serving
1
Label use (daily / short_term / unknown)
daily
Maximum course days, if stated
Not disclosed
Other active ingredients
None separately listed
Sugars / sweeteners
None listed
Flavour
Unflavored
Allergen statement
Amazon allergen information: Gluten Free; (2) Our Our Zinc Caplets are non-GMO and sugar- and gluten-free; (1) For additional flexibility to meet dietary needs, Nature's Bounty Zinc caplets are non-GMO and sugar and gluten free.
Vegan / vegetarian label status
Non-GMO, sugar-free, gluten-free

Product sources & research notes

Listing and manufacturer details describe the label; they do not independently verify product claims. Check the current pack before use.

Ingredients & suitability

Excipients
Not disclosed — check the current label
Allergens
Amazon allergen information: Gluten Free; (2) Our Our Zinc Caplets are non-GMO and sugar- and gluten-free; (1) For additional flexibility to meet dietary needs, Nature's Bounty Zinc caplets are non-GMO and sugar and gluten free.
Carrier / source
Not disclosed — check the current label
Other active ingredients
None separately listed

Manufacturer transparency

Brand
Nature’s Bounty
Legal company
The Nature's Bounty Co. (formerly NBTY, Inc.)
Manufacturing model
In-house (historically)
Manufacturing location
United States (historically Long Island, NY)

View the full brand profile →

What the record makes clear

  • Active amount is disclosed.
  • The current record does not support a daily cost calculation.

What to keep in mind

  • Verify the current label and the batch covered by any testing report.
  • A product score cannot determine whether you need a supplement.

Explore the alternatives

Compare alternative

Igennus Zinc Complex 25mg + Copper

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
15/20
Value
9/20
Dose context & clarity
12/15
Manufacturer transparency
7/10
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.
Testing evidence
Evidence status
Recognised certification
Manufacturer statement
Nutrasource registry page for this 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
2026-09-14 08:56:49
£0.09per day
£15.95per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Thorne Zinc Picolinate 15mg

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
15/20
Value
5/20
Dose context & clarity
12/15
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.
Testing evidence
Evidence status
Recognised certification
Manufacturer statement
Thorne product page states: "This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants, such as heavy metals, pesticides, and microorganisms." NSF Certified for Sport registry page for Thorne® Zinc Picolinate 30 mg confirms the product is certified, with brand Thorne, product type Immune Aid/Mineral, package size 60, serving size 1 capsule, and website thorne.com.
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
2026-09-14 08:35:59
£0.22per day
£13.17per pack
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Compare alternative

Osavi OptiZinc 15mg + Copper

Why this score?
Testing & evidence
22/25
Ingredient/formulation quality
15/20
Value
7/20
Dose context & clarity
12/15
Manufacturer transparency
5/10
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.
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
Osavi’s own product quality/certificate pages state: “Each batch is sent to an independent laboratory - J.S.Hamilton or GBA and analysed for, i.a. heavy metal content, microbiological purity and substance content as declared on the label.” The lot certificate page for Zinc + Copper, 15 mg + 1 mg also says: “This supplement has been laboratory tested by an independent laboratory and meets the requirements for purity and composition.”
Laboratory
J.S.Hamilton or GBA
Certification body
Not recorded
Batch
S230522
Batch-specific report
Recorded
Report date
2025-07-20
Evidence checked
2026-09-14 08:47:16
£0.13per day
£8.00per pack
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