Women'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)
74% 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

200 Servings

Multi-Vitamin and Mineral (MVM) Product Type

74% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

700 mcg (78% 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

Thiamine

2.4 mg (200% DV)

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

RDA 1.2mg This product: 2.4mg

Riboflavin

1.95 mg (150% DV)

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

RDA 1.3mg This product: 1.95mg

Niacin

24 mg (150% DV)

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

RDA 14mg This product: 24mg 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

9.6 mcg (400% DV)

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

RDA 0.0024mg This product: 0.0096mg

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

18 mg (100% DV)

Iodine

150 mcg (100% DV)

✅ Within RDA (1.0× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)

RDA 0.15mg This product: 0.15mg UL 1.1mg

Magnesium

42 mg (10% DV)

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

This product: 42mg

Zinc

8 mg (73% DV)

✅ Within RDA (0.7× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 8mg 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 Ferrous Fumarate DL-Alpha Tocopherol Acetate Niacinamide Gelatin Maltodextrin Biotin Cholecalciferol Riboflavin Titanium Dioxide Vegetable Juice Copper Sulfate Corn Starch Croscarmellose Sodium Cyanocobalamin D-Calcium Panthothenate Folic Acid Guar Gum Hydroxypropyl Methylcellulose Medium Chain Triglycerides Polyvinyl Alcohol Potassium Iodide 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 Female (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Adults: One tablet daily, with food.

⚠️ Warnings & Precautions

Keep out of reach of children Child resistant cap

Do not exceed recommended intake

For adult use only Not for children

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

Not a replacement for heart medications

Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.

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

🧪 Formulation Notes

New formula! Complete multivitamin, now 40% smaller Compared to previous One A Day Women's Complete Multivitamin Tablet

Nutritional support for 6 key vital functions: Bone health Heart health Immune health Skin health Healthy muscle function Healthy energy metabolism

With B vitamins to help convert food to fuel

No Artificial flavors Artificial sweeteners FD&C colors

Additional Information

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

Questions? 1-800-800-4793

US only Discard seal, empty & replace cap Plastic bottle Bottle not recyclable unless label removed Plastic label how2recycle.info

New tablet look!

Product Details

UPC / SKU 0 16500 59581 6

DSLD Entry Date 2023-04-21

Product Type Multi-Vitamin and Mineral (MVM)

Form Tablet or Pill

Brand Bayer One A Day

DSLD ID 287759

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 →