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Energy

product on market Tablet or Pill Bayer One A Day Safety: 99/100
99/100

This product looks safe

  • Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)
  • 61% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

The profile consists of essential vitamins that support immune function, bone health, and antioxidant activity. There is strong research evidence supporting the roles of vitamins A, C, D, E, and K in maintaining general physiological processes. The formulation maintains a high safety profile for standard daily use.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)

Label

Product Label

Label for Energy
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Other Combinations
Product Type
61%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
3500 IU (70% DV)
Vitamin C
60 mg (100% DV)
400 IU (100% DV)
Within RDA (0.7× RDA) 608 studies (A:16, B:251)
30 IU (100% DV)
1.3× RDA — within safe limits 179 studies (A:3, B:90)
25 mcg (31% DV)
Within RDA (0.2× RDA) 275 studies (A:9, B:175)
3 mg (200% DV)
2.5× RDA — within safe limits 76 studies (A:0, B:33)
3.4 mg (200% DV)
2.6× RDA — within safe limits 13 studies (A:0, B:1)
40 mg (200% DV)
Exceeds UL by 1.1× (UL: 35 mg) 196 studies (A:5, B:63)
4 mg (200% DV)
3.1× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
400 mcg (100% DV)
Within RDA (1.0× RDA) 226 studies (A:10, B:105)
12 mcg (200% DV)
5.0× RDA — above typical dose 139 studies (A:1, B:44)
300 mcg (100% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)
10 mg (100% DV)
2.0× RDA — within safe limits 2 studies — no high-quality reviews
Calcium
250 mg (25% DV)
Iron
9 mg (50% DV)
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
40 mg (10% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
15 mg (100% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
45 mcg (64% DV)
Within RDA (0.8× RDA) 173 studies (A:0, B:67)
2 mg (100% DV)
2.2× RDA — within safe limits 37 studies (A:0, B:11)
2 mg (100% DV)
Within RDA (0.9× RDA) 9 studies — no high-quality reviews
100 mcg (83% DV)
2.9× RDA — within safe limits 199 studies (A:1, B:55)
25 mcg (33% DV)
Within RDA (0.6× RDA) 3 studies — no high-quality reviews
90 mg (3% DV)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
Potassium
99 mg (3% DV)
Nickel
5 mcg
Tin
10 mcg
5 mg
Market median: 108.0mg (8 products) 9 studies (A:0, B:4)
10 mcg
Market median: 0.5mg (6 products) 1 studies (A:0, B:1)
150 mcg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
200 mg
Market median: 495.0mg (70 products)

Other Ingredients

Calcium Carbonate Potassium Chloride Cellulose Guarana seed powder Caffeine Ascorbic Acid Magnesium Oxide Dicalcium Phosphate Niacinamide Corn Starch DL-Alpha-Tocopheryl Acetate Ferrous Fumarate Croscarmellose Sodium Stearic Acid Polyvinyl Alcohol Zinc Oxide Maltodextrin Silicon Dioxide Acacia Magnesium Stearate Ethylcellulose Calcium D-Pantothenate Crospovidone Titanium Dioxide Gelatin Polyethylene Glycol Talc Manganese Sulfate Pyridoxine Hydrochloride Cupric Sulfate Riboflavin Thiamine Mononitrate Glucose Hypromellose Castor Oil Sodium Borate FD&C Yellow #5 Lake Vitamin A Acetate Beta-Carotene Folic Acid Chromium Chloride Biotin Potassium Iodide FD&C Blue #1 Lake Sodium Selenate Sodium Molybdate Phytonadione Nickelous Sulfate Sodium Metavanadate Stannous Chloride Tricalcium Phosphate Cyanocobalamin Cholecalciferol
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Adults: One tablet daily, with food.

Warnings & Precautions

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.

Do not use if pregnant or breast-feeding.

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

This product contains about as much caffeine as a cup of coffee.

Complete Multivitamin Plus More to Support: - Physical Energy by Converting Food to Fuel with B-Vitamins - Mental Alertness with a unique Guarana Blend - Healthy Immune System with Vitamins C, A, Selenium and Zinc - Healthy Heart with Vitamins B6, B12, C, E and Folic Acid

Key Ingredients To Help Support: PHYSICAL ENERGY Vitamins B6, B12, Pantothenic Acid, Iron, Chromium, Folic Acid IMMUNITY Vitamins C, A, Selenium, Zinc STRESS OF PHYSICAL ACTIVITY Vitamins A, C, E, Selenium HEART HEALTH Vitamins B6, B12, C, E, Folic Acid MENTAL ENERGY Vitamins B6, B12, Guarana Blend, Thiamin, Niacin, Riboflavin

Contains: Soy.

Additional Information

EXPIRATION DATE:

Complete Multivitamin Plus More to Support: - Physical Energy - Mental Alertness - Healthy Immune System - Heart Health

Supports Physical & Mental Energy

BAYER BAYER

Bayer HealthCare

Made in U.S.A.

AP5121N08 IFCC515

Metadata

Product Details

UPC / SKU0 16500 53025 1
DSLD Entry Date2012-06-01
Product TypeOther Combinations
FormTablet or Pill
BrandBayer One A Day
DSLD ID9711
Data Updated2026-04-11
Research

Research Evidence

337
Research Sources
54
Avg Quality
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
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
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
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
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
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 →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.