Men's Complete Multivitamin by Bayer One A Day — Ingredients, Evidence & Safety

🟢 98/100

This product looks safe

Folate: 665mg is 665.0× the Tolerable Upper Intake Level (1.0mg)
72% of ingredients have research evidence

C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 665mg is 665.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

1 Tablet(s) Serving Size

40 Servings

Multi-Vitamin and Mineral (MVM) Product Type

72% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

900 mcg (100% DV)

Vitamin C

90 mg (100% DV)

Vitamin D

25 mcg (125% DV)

✅ 1.7× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)

RDA 0.015mg This product: 0.025mg UL 0.1mg

Vitamin E

15 mg (100% DV)

✅ Within RDA (1.0× RDA of 15 mg) 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 15mg UL 1000mg

Thiamin

3 mg (250% DV)

✅ 2.5× RDA — within safe limits 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 3mg

Riboflavin

2.6 mg (200% DV)

✅ 2.0× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)

RDA 1.3mg This product: 2.6mg

Niacin

32 mg (200% DV)

✅ 2.3× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 32mg UL 35mg

Vitamin B6

3.4 mg (200% DV)

✅ 2.6× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 3.4mg UL 100mg

Folate

665 mcg DFE (166% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 665.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 665mg UL 1.0mg

Vitamin B12

15 mcg (625% DV)

📊 6.2× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.015mg

Biotin

45 mcg (150% DV)

✅ 1.5× RDA — within safe limits 📚 26 studies (Tier A: 0, B: 11)

RDA 0.03mg This product: 0.045mg

Pantothenic Acid

7.5 mg (150% DV)

✅ 1.5× RDA — within safe limits 📚 1 studies — no high-quality reviews

RDA 5mg This product: 7.5mg

Calcium

130 mg (10% DV)

Iron

Magnesium

42 mg (10% DV)

📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)

This product: 42mg

Zinc

11 mg (100% DV)

✅ Within RDA (1.0× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 11mg UL 40mg

Selenium

41 mcg (75% DV)

✅ Within RDA (0.7× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)

RDA 0.055mg This product: 0.041mg UL 0.4mg

Copper

1.35 mg (150% DV)

✅ 1.5× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)

RDA 0.9mg This product: 1.35mg UL 10mg

Other Ingredients

Calcium Carbonate Microcrystalline Cellulose Ascorbic Acid Magnesium Oxide DL-Alpha-Tocopheryl Acetate Niacinamide Gelatin Maltodextrin Corn Starch Biotin Cholecalciferol Copper Sulfate Croscarmellose Sodium Cyanocobalamin D-Calcium Pantothenate Folic Acid Guar Gum Hydroxypropyl Methylcellulose Medium Chain Triglycerides Pyridoxine Hydrochloride Riboflavin Silicon Dioxide Sodium Selenite Stearic Acid Talc Thiamine Mononitrate Vitamin A Acetate Zinc Oxide

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Adult Male (18-50 Years)

Product Information

📋 Directions for Use

Directions: Adults: One tablet daily, with food.

⚠️ Warnings & Precautions

If pregnant, breast-feeding, taking medication, or have any medical condition ask a health professional before use.

Keep out of reach of children Child resistant cap Not for children

Do not exceed recommended intake For adult use only

Not a replacement for heart medications To help support blood pressure levels already within normal range

Do not use if printed safety seal bearing "Bayer HealthCare" under cap is torn or missing.

🧪 Formulation Notes

A complete multivitamin now in a smaller, easier-to-swallow tablet One A Day Men's Formula is a complete multivitamin specially formulated for key health concerns of men.

It contains high potency B Vitamins to help unlock your physical and mental energy, and key nutrients to support heart health as well as vitamin D and Magnesium which help support healthy blood pressure.

No artificial flavors Artificial colors Artificial sweeteners

Formulated to support: Cell health with Vitamins A, C & E Immune health with Vitamins A, C, D, E, Selenium & Zinc Healthy muscle function with Vitamin D Heart health with Folic Acid, Vitamins B6 & B12 Healthy blood pressure with Vitamin D & Magnesium Healthy energy metabolism with B Vitamins

New formula 45% smaller tablet

With B Vitamins to help convert food to fuel

Does not contain Iron

Additional Information

Compared to previous One A Day Men's Complete Multivitamin tablet

Store at room temperature. Avoid excessive heat above 40 degrees C (104 degrees F).

Questions or comments? Please text or call 1-800-800-4793 (Mon-Fri 9AM - 5PM EST) US only Paper box Discard seal, empty & replace cap Plastic bottle how2recycle.info

Product Details

UPC / SKU 0 16500 59573 1

DSLD Entry Date 2022-06-16

Product Type Multi-Vitamin and Mineral (MVM)

Form Tablet or Pill

Brand Bayer One A Day

DSLD ID 266765

Data Updated 2026-04-11

Research Evidence

337 Research Sources

54 Avg Quality Score

161 Meta Analysis

68 Systematic Review

51 Rct

48 Clinical Trial

2 Other

2 Regulatory Source

1 Narrative Review

1 Cochrane Review

1 Guideline

1 Openfda Safety

A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age

Meta Analysis The Cochrane database of systematic reviews 2017

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis

Meta Analysis BMJ (Clinical research ed.) 2011

PubMed DOI

A Fortification of staple foods with vitamin A for vitamin A deficiency

Systematic Review The Cochrane database of systematic reviews 2019

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age

Narrative Review The Cochrane database of systematic reviews 2016

PubMed DOI Cochrane

A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa

Meta Analysis The Cochrane database of systematic reviews 2020

PubMed DOI

A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials

Meta Analysis Journal of sport and health science 2023

PubMed DOI

A Food fortification with multiple micronutrients: impact on health outcomes in general population

Meta Analysis The Cochrane database of systematic reviews 2019

PubMed DOI

A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age

Meta Analysis The Cochrane database of systematic reviews 2024

PubMed DOI

View all evidence for Vitamin A →