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: "Basic Nutrients 2/Day - NSF Certified for Sport" and "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." NSF's own listing page for Thorne also includes the product under NSF/ANSI Standard 173 dietary supplements.
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: "Basic Nutrients 2/Day - NSF Certified for Sport" and "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." NSF's own listing page for Thorne also includes the product under NSF/ANSI Standard 173 dietary supplements.
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
Testing claimed
Manufacturer statement
Manufacturer site says: "From sourcing the finest ingredients to rigorous testing and production processes, we ensure that every product meets our stringent quality benchmarks." It also says: "This includes sourcing high-quality raw materials, conducting thorough testing throughout the manufacturing process..." and the product page says "For over 35 years, 21st Century Vitamins has provided trusted vitamins and supplements by upholding the highest standards of quality in every product we offer."
A multivitamin has no single dose, so nothing is totalled or ranked by milligrams or ingredient count. Compare the audience, the serving schedule and each key nutrient as the label states it (iron, vitamin D, folate, B12, vitamin K, iodine). Amounts are label amounts per labelled daily serving, not adequacy ratings; where directions give a range, the range is shown. Read the dose guide ↓
Oasis lab report page states: "Verified Lab Report" and "This verified third-party lab report documents independent testing of One A Day Prenatal Advanced Prenatal Multivitamin Softgels... sampled March 26, 2025. 4 substances were screened using heavy metals by ICP-MS; 3 were detected."
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Amazon listing images show certification logos on the product packaging, including NSF Certified Gluten-Free and Non-GMO Project Verified; NSF’s own dietary supplement listings page also includes Garden of Life products under NSF/ANSI Standard 173, and Garden of Life’s product page was not accessible during this session.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Thorne product page states: "Basic Nutrients 2/Day - NSF Certified for Sport" and "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." NSF's own listing page for Thorne also includes the product under NSF/ANSI Standard 173 dietary supplements.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Nature Made’s product page states: “USP has tested and verified ingredients, potency and manufacturing process.” USP’s own registry page for USP Verified Products lists Nature Made’s multivitamin products and includes “Men's Multivitamin 50+” among products that have earned the USP Verification Mark.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Amazon listing image/text says "NSF Certified" and OLLY's product page says "NSF certification helps consumers identify products that have been independently tested and certified to meet rigorous standards for quality, safety, and label claims." NSF's own public listing for OLLY includes "MEN'S MULTI" under NSF/ANSI Standard 173 Dietary Supplements.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Nature Made product page states: "USP has tested and verified ingredients, potency and manufacturing process. USP sets official standards for dietary supplements." Target listing for the same product also states: "United States Pharmacopeia (USP) Verified" and "USP has tested and verified ingredients, potency, and manufacturing process."
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Nature Made’s product page states: “USP has tested and verified ingredients, potency and manufacturing process.” USP’s public Quality Supplements registry lists “Nature Made Multi for Her 50+ Tablets” as a USP Verified product.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
OLLY product page states: "NSF Certified" and "NSF certification helps consumers identify products that have been independently tested and certified to meet rigorous standards for quality, safety, and label claims." NSF's own listing page for OLLY confirms the company and includes "WOMEN'S MULTI All Gummy 2 gummies" under NSF/ANSI Standard 173.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Centrum product page says "Verified non-GMO and gluten-free.[6]" and the Amazon listing says "Non-GMO Ingredients"; however I did not find independent verification for this specific product.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Manufacturer site says One A Day vitamins have a "Quality That Stands Up to 100+ Tests" and the product page says "Directions: Adults: One tablet daily, with food."
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Amazon listing image/text shows certification badges for this product, including "Certified NSF Gluten-Free" and "Non GMO Project Verified"; independently, NSF's own registry lists Garden of Life, LLC products and confirms Garden of Life® Dr. Formulated Prenatal Multi + DHA and Garden of Life® Dr. Formulated Prenatal DHA are NSF-listed, but I did not find an NSF registry entry for this exact tablet product.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Manufacturer site says: "From sourcing the finest ingredients to rigorous testing and production processes, we ensure that every product meets our stringent quality benchmarks." It also says: "This includes sourcing high-quality raw materials, conducting thorough testing throughout the manufacturing process..." and the product page says "For over 35 years, 21st Century Vitamins has provided trusted vitamins and supplements by upholding the highest standards of quality in every product we offer."
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Bronson’s own certifications page says: “Every product manufactured by Bronson is put through a rigorous process to ensure purity, potency and integrity… Bronson products consistently comply with the most current regulations to deliver premium supplements verified for quality and safety” and “From raw materials to finished batches, Bronson supplements undergo numerous laboratory tests to ensure quality standards are met.”
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Bronson’s own certifications page says: “Every product manufactured by Bronson is put through a rigorous process to ensure purity, potency and integrity… Bronson products consistently comply with the most current regulations to deliver premium supplements verified for quality and safety” and “From raw materials to finished batches, Bronson supplements undergo numerous laboratory tests to ensure quality standards are met.”
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Nutricost’s product page 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.”
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Amazon listing and Centrum product page contain marketing/clinical language (e.g. "Clinically Proven to Support Memory as You Age" / "Clinically shown to support cognitive health") but I did not find an independently verifiable third-party test/certification for this specific tablet product. NSF’s public listings show other Centrum products and NSF’s certification program, but not this specific Centrum Silver Adults 50+ tablet product.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
NSF International listing page for Haleon US Holdings LLC includes the product entry "Centrum Silver Men 50+" under NSF/ANSI Standard 173 Dietary Supplements, with product form "Tablet" and daily serving size "1 Tablet."
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Manufacturer site says "Quality That Stands Up to 100+ Tests" on the One A Day 'Why Choose One A Day® Vitamins' page, but I did not find any independently verifiable third-party certificate or lab report for this specific product.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Oasis lab report page states: "Verified Lab Report" and "This verified third-party lab report documents independent testing of One A Day Prenatal Advanced Prenatal Multivitamin Softgels... sampled March 26, 2025. 4 substances were screened using heavy metals by ICP-MS; 3 were detected."
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Amazon listing images show certification logos on the product packaging, including NSF Certified Gluten-Free and Non-GMO Project Verified; NSF’s own dietary supplement listings page also includes Garden of Life products under NSF/ANSI Standard 173, and Garden of Life’s product page was not accessible during this session.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Thorne product page states: "Basic Nutrients 2/Day - NSF Certified for Sport" and "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." NSF's own listing page for Thorne also includes the product under NSF/ANSI Standard 173 dietary supplements.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Iron none
Vitamin D 25 mcg
Folate 665 mcg DFE
B12 25 mcg
Iodine 150 mcg
Vitamin K 80 mcg
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Nature Made’s product page states: “USP has tested and verified ingredients, potency and manufacturing process.” USP’s own registry page for USP Verified Products lists Nature Made’s multivitamin products and includes “Men's Multivitamin 50+” among products that have earned the USP Verification Mark.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Amazon listing image/text says "NSF Certified" and OLLY's product page says "NSF certification helps consumers identify products that have been independently tested and certified to meet rigorous standards for quality, safety, and label claims." NSF's own public listing for OLLY includes "MEN'S MULTI" under NSF/ANSI Standard 173 Dietary Supplements.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Iron 18 mg
Vitamin D 25 mcg
Folate 665 mcg DFE
B12 6 mcg
Iodine 150 mcg
Vitamin K 80 mcg
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Nature Made product page states: "USP has tested and verified ingredients, potency and manufacturing process. USP sets official standards for dietary supplements." Target listing for the same product also states: "United States Pharmacopeia (USP) Verified" and "USP has tested and verified ingredients, potency, and manufacturing process."
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Iron none
Vitamin D 25 mcg
Folate 665 mcg DFE
B12 25 mcg
Iodine 150 mcg
Vitamin K 80 mcg
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Nature Made’s product page states: “USP has tested and verified ingredients, potency and manufacturing process.” USP’s public Quality Supplements registry lists “Nature Made Multi for Her 50+ Tablets” as a USP Verified product.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Vitamin D 20 mcg
Folate 400 mcg DFE
B12 6 mcg
Iodine 150 mcg
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
OLLY product page states: "NSF Certified" and "NSF certification helps consumers identify products that have been independently tested and certified to meet rigorous standards for quality, safety, and label claims." NSF's own listing page for OLLY confirms the company and includes "WOMEN'S MULTI All Gummy 2 gummies" under NSF/ANSI Standard 173.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Iron 8 mg
Vitamin D 25 mcg
Folate 667 mcg DFE
B12 50 mcg
Iodine 150 mcg
Vitamin K 50 mcg
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Centrum product page says "Verified non-GMO and gluten-free.[6]" and the Amazon listing says "Non-GMO Ingredients"; however I did not find independent verification for this specific product.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Iron none
Vitamin D 25 mcg
Folate 400 mcg DFE
B12 6.24 mcg
Iodine 150 mcg
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer site says One A Day vitamins have a "Quality That Stands Up to 100+ Tests" and the product page says "Directions: Adults: One tablet daily, with food."
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Amazon listing image/text shows certification badges for this product, including "Certified NSF Gluten-Free" and "Non GMO Project Verified"; independently, NSF's own registry lists Garden of Life, LLC products and confirms Garden of Life® Dr. Formulated Prenatal Multi + DHA and Garden of Life® Dr. Formulated Prenatal DHA are NSF-listed, but I did not find an NSF registry entry for this exact tablet product.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Manufacturer site says: "From sourcing the finest ingredients to rigorous testing and production processes, we ensure that every product meets our stringent quality benchmarks." It also says: "This includes sourcing high-quality raw materials, conducting thorough testing throughout the manufacturing process..." and the product page says "For over 35 years, 21st Century Vitamins has provided trusted vitamins and supplements by upholding the highest standards of quality in every product we offer."
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Bronson’s own certifications page says: “Every product manufactured by Bronson is put through a rigorous process to ensure purity, potency and integrity… Bronson products consistently comply with the most current regulations to deliver premium supplements verified for quality and safety” and “From raw materials to finished batches, Bronson supplements undergo numerous laboratory tests to ensure quality standards are met.”
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Bronson’s own certifications page says: “Every product manufactured by Bronson is put through a rigorous process to ensure purity, potency and integrity… Bronson products consistently comply with the most current regulations to deliver premium supplements verified for quality and safety” and “From raw materials to finished batches, Bronson supplements undergo numerous laboratory tests to ensure quality standards are met.”
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Nutricost’s product page 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.”
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Iron none
Vitamin D 25 mcg
Folate 667 mcg DFE
B12 25 mcg
Iodine 150 mcg
Vitamin K 30 mcg
Testing evidence
Evidence status
No public evidence located
Manufacturer statement
Amazon listing and Centrum product page contain marketing/clinical language (e.g. "Clinically Proven to Support Memory as You Age" / "Clinically shown to support cognitive health") but I did not find an independently verifiable third-party test/certification for this specific tablet product. NSF’s public listings show other Centrum products and NSF’s certification program, but not this specific Centrum Silver Adults 50+ tablet product.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Iron none
Vitamin D 25 mcg
Folate 667 mcg DFE
B12 100 mcg
Iodine 150 mcg
Vitamin K 60 mcg
Testing evidence
Evidence status
No public evidence located
Manufacturer statement
NSF International listing page for Haleon US Holdings LLC includes the product entry "Centrum Silver Men 50+" under NSF/ANSI Standard 173 Dietary Supplements, with product form "Tablet" and daily serving size "1 Tablet."
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Manufacturer site says "Quality That Stands Up to 100+ Tests" on the One A Day 'Why Choose One A Day® Vitamins' page, but I did not find any independently verifiable third-party certificate or lab report for this specific product.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
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.
Multivitamin formulations and audiences explained
Multivitamins need an audience-aware nutrient matrix. More nutrients, more than 100{3683f0b818e4e7eac3a25ad8212965194ab09621a23bd0189e97e17dfedff11f} DV or a higher tablet weight should not automatically improve the score.
General adult
Broad-spectrum daily formula
Compare
Nutrient matrix
Avoid
Total-mg scoring
General adult formulas vary widely and have no standard regulatory nutrient list.
Mens lower iron
Sex-specific formulation
Common pattern
Lower or no iron
Score
By context
An iron omission can be intentional rather than a formulation defect.
Womens iron containing
Sex-specific formulation
Common focus
Iron and folate
Review
Age/life stage
The audience label alone does not prove the iron amount is appropriate.
Older adult 50 plus
Age-targeted formulation
Common pattern
More B12/D, less iron
Evidence
Older-adult specific
NIH notes this common formulation pattern; it is not a universal prescription.
Prenatal
Pregnancy / preconception formula
Key nutrient
Folic acid/folate
Needs
Pregnancy-specific review
Compare prenatal formulas against pregnancy-specific guidance rather than general adult multivitamins.
High potency
Several nutrients far above DV
Interpret
Nutrient by nutrient
Not automatic
Better quality
NIH notes some high-potency multis can exceed DVs, RDAs/AIs and even ULs for individual nutrients.
How to read multivitamin doses nutrient by nutrient
FDA Daily Values help compare labels, but they are not personalised RDAs. NIH notes that RDAs and AIs vary by age, sex and nutrient, while FDA generally uses one DV for adults and children age 4+. [1][2]
A multivitamin therefore has no valid total-active milligram dose. Calcium, iron, vitamin D, folate and B12 each need their own amount, unit, form and reference context. Prenatal and older-adult formulas should not be scored using the same expectations as a general adult product.
What multivitamin evidence does — and does not — show
Multivitamins can increase nutrient adequacy, but NIH also notes that some users exceed upper intake levels when supplements are combined with diet and other products. [1]
Long-term randomized evidence has not shown cardiovascular prevention: Physicians' Health Study II found no reduction in major cardiovascular events. [5] The same trial found a modest reduction in total cancer incidence, but USPSTF still concludes that evidence is insufficient to recommend multivitamins for prevention of cardiovascular disease or cancer in community-dwelling nonpregnant adults. [4][6]
COSMOS cognitive studies provide more encouraging results in older adults using a specific older-adult multivitamin, but those findings should not be generalized to every formula. [7][8]
Multivitamin evidence by goal
Evidence by goal
Goal
Evidence strength
What was assessed
Typical study context
Main limitation
Increase nutrient adequacy
Supported, with excess-intake trade-off
Multivitamin/mineral use
NIH synthesis shows increased adequacy for several micronutrients.
Diet and other supplements can push some nutrient intakes above ULs.
Prevent cardiovascular disease
No demonstrated benefit in major long-term RCT
Daily common MVM
14,641 male physicians 50+, median 11.2 years.
One selected population/formula.
Prevent cancer
Small signal, insufficient for broad recommendation
Daily common MVM
PHS II found modest lower total cancer incidence.
USPSTF still finds evidence insufficient for preventive use across general adults.
Memory/cognition in older adults
Promising for a specific formula
Centrum Silver in COSMOS cognitive substudies
Older adults followed 2–3 years.
Specific formula/population; not evidence for all multivitamins or dementia prevention.
Read the full evidence-by-goal detail
Filling nutrient gaps
Multivitamins can help people reach recommended intakes when diet is inadequate, but formula and diet determine whether they correct gaps or create excess. [1]
Heart disease, cancer and longevity
Evidence is insufficient for recommending a multivitamin to prevent CVD or cancer, and a 2024 cohort analysis found no mortality benefit. [4][9]
Cognition in older adults
COSMOS-Web and COSMOS-Clinic found modest memory/global-cognition benefits with a specific commercial multivitamin/mineral in older adults. [7][8] This does not establish a class-wide cognitive effect.
When to take a multivitamin
No single timing rule applies to every multivitamin. Follow the product directions and any medication-specific instructions. Food can improve tolerance for some products and is commonly recommended on commercial labels, but timing does not solve nutrient overlap or interaction issues.
Multivitamin safety, overlap and interactions
Who should be cautious?If any of the following apply to you, speak to a healthcare professional before taking Multivitamin - see the full detail below for why.
Pregnant people or those capable of pregnancy who need prenatal-specific formulation review
People taking warfarin or medicines affected by vitamins/minerals
People taking several standalone supplements or consuming heavily fortified products
Smokers or former smokers considering high-beta-carotene/high-vitamin-A formulas
People with diagnosed nutrient deficiencies who need clinician-directed dosing rather than a general multivitamin
Safety must be assessed nutrient by nutrient and across all sources. NIH notes that MVMs can push some users above ULs, especially when combined with other supplements or fortified foods. [1]
Key examples include the 3,000 mcg RAE adult UL for preformed vitamin A and the clinically important vitamin K interaction with warfarin. [11][12] Smokers/former smokers also need caution with high-dose beta-carotene/vitamin A formulas. [1]
Multivitamins alongside other supplements
Check the multivitamin before adding standalone vitamin D, iron, zinc, magnesium, folate or other supplements. Overlap is a major source of unnecessary high intake. [1]
Prenatal formulas need a separate review: CDC recommends 400 mcg/day folic acid for women capable of pregnancy, while pregnancy RDAs/ULs for other nutrients are nutrient-specific. [10]
Who might consider a multivitamin
A multivitamin may be useful when diet does not consistently provide enough of several micronutrients or when a life stage changes nutrient needs. NIH recommends choosing an MVM designed for the person's age, sex and life stage rather than assuming one formula suits everyone. [1]
How to compare multivitamin testing evidence
A strong multivitamin quality programme should verify many declared nutrients, relevant chemical forms, contaminants, batch identity and finished-product performance. Testing only one nutrient or only heavy metals does not verify the Supplement Facts panel.
FDA cGMP covers identity, purity, strength, composition and contamination controls. [13] USP's voluntary verification adds facility audit, document review, laboratory testing and off-the-shelf surveillance. [14] Neither proves clinical benefit.
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 certification3
Verified independent evidence1
Manufacturer COA0
Testing claimed14
No public evidence located7
What does multivitamin cost?
Current US comparison set, based on the daily serving shown on each label.
$0.06Lowest daily cost
$0.11Median daily cost
$1.20Highest daily cost
Your questions, answered
Is 100{3683f0b818e4e7eac3a25ad8212965194ab09621a23bd0189e97e17dfedff11f} Daily Value of every nutrient ideal?
No. FDA Daily Values are label references, and NIH notes that actual RDAs/AIs vary by age, sex and nutrient. [1][2] Some large-dose minerals are commonly provided only partially.
Why do 50+ multivitamins often have less iron?
NIH notes that older-adult formulas often contain little or no iron and more calcium, vitamin D and vitamin B12 than products for younger adults. [1] This is a formulation pattern, not proof that every adult over 50 needs the same formula.
Do multivitamins prevent heart disease or cancer?
USPSTF says evidence is insufficient to recommend multivitamins for prevention of cardiovascular disease or cancer in community-dwelling nonpregnant adults. [4] A long-term trial found no CVD benefit and only a modest total-cancer signal. [5][6]
Can multivitamins help memory?
COSMOS studies found modest memory/global-cognition benefits in older adults taking a specific older-adult multivitamin. [7][8] That does not prove all multivitamins improve cognition.
Is a prenatal multivitamin just a stronger normal multivitamin?
No. Pregnancy and preconception have specific nutrient needs. CDC recommends 400 mcg folic acid daily for women capable of becoming pregnant. [10] Prenatals need separate nutrient and safety review.