Essential by Bayer One A Day — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
67% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

1 Tablet(s) Serving Size

Other Combinations Product Type

67% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

3000 IU (60% DV)

Vitamin C

60 mg (100% DV)

Vitamin D

400 IU (100% DV)

✅ Within RDA (0.7× RDA of 0.015 mg) 📚 604 studies (Tier A: 16, B: 251)

RDA 0.015mg This product: 0.01mg UL 0.1mg

Vitamin E

30 IU (100% DV)

✅ 1.3× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 20.1mg UL 1000mg

Thiamine

1.5 mg (100% DV)

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

RDA 1.2mg This product: 1.5mg

Riboflavin

1.7 mg (100% DV)

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

RDA 1.3mg This product: 1.7mg

Niacin

20 mg (100% DV)

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

RDA 14mg This product: 20mg UL 35mg

Vitamin B6

2 mg (100% DV)

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

RDA 1.3mg This product: 2mg UL 100mg

Folic Acid

400 mcg (100% DV)

✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 0.4mg UL 1.0mg

Vitamin B12

6 mcg (100% DV)

✅ 2.5× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)

RDA 0.0024mg This product: 0.006mg

Pantothenic Acid

10 mg (100% DV)

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

RDA 5mg This product: 10mg

Calcium

45 mg (5% DV)

Other Ingredients

Calcium Carbonate Ascorbic Acid Gelatin DL-Alpha-Tocopheryl Acetate Niacinamide Cellulose Calcium D-Pantothenate Croscarmellose Sodium Corn Starch Silicon Dioxide Acacia Dextrin Hypromellose Crospovidone Stearic Acid Pyridoxine Hydrochloride FD&C Red #40 Lake Riboflavin Magnesium Stearate Thiamine Mononitrate Polyethylene Glycol Vitamin A Acetate Dextrose Resin Titanium Dioxide Soy Lecithin Folic Acid Beta-Carotene FD&C Blue #2 Lake Cholecalciferol Cyanocobalamin

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 (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 use this product if safety seal bearing "SEALED for YOUR PROTECTION" under cap is torn or missing.

🧪 Formulation Notes

Complete Multivitamin in a Small, Easy to Swallow Tablet to Support: - Heart Health with Vitamins B6, B12, C, E and Folic Acid - Immunity with Vitamins A, C, and E - Physical and Mental Energy by Converting Food to Energy with B-Vitamins, including Thiamin, Riboflavin and Niacin - Eye Health with Vitamins A, C and E

Key Ingredients Support Your Essential Needs: EYE HEALTH Vitamins A, C, E IMMUNITY Vitamins A, C, E PHYSICAL & MENTAL ENERGY Vitamins B6, B12, Thiamin, Riboflavin, Niacin, Pantothenic Acid HEART HEALTH Vitamins B6, B12, C, E, Folic Acid

Contains: Soy.

Additional Information

Complete Multivitamin - 100% Daily Value of 10 Essential Vitamins - Small, Easy to Swallow Tablet

BAYER BAYER

Bayer HealthCare

Made in U.S.A.

Lot & Exp Date EXPIRATION DATE:

Small, Easy To Swallow Tablet

AP50666CA08 IFC513

Product Details

UPC / SKU 0 16500 07303 1

DSLD Entry Date 2012-06-01

Product Type Other Combinations

Form Tablet or Pill

Brand Bayer One A Day

DSLD ID 9726

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 →