Energy
97/100
This product looks safe
- Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)
- Folate: 665mg is 665.0× the Tolerable Upper Intake Level (1.0mg)
- 71% of ingredients have research evidence
D
Label Compliance Grade
Product Label
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Safety Alerts
⚠️ Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)
⚠️ Folate: 665mg is 665.0× the Tolerable Upper Intake Level (1.0mg)
Label Data
1 Tablet(s)
Serving Size
50
Servings
Other Combinations
Product Type
71%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin A
1050 mcg
(117% DV)
Vitamin C
60 mg
(67% DV)
10 mcg
(50% DV)
✅ Within RDA (0.7× RDA of 0.015 mg)
📚 604 studies (Tier A: 16, B: 251)
10.1 mg
(67% DV)
✅ Within RDA (0.7× RDA of 15 mg)
📚 177 studies (Tier A: 3, B: 90)
25 mcg
(21% DV)
✅ Within RDA (0.2× RDA of 0.12 mg)
📚 273 studies (Tier A: 9, B: 175)
3 mg
(250% DV)
✅ 2.5× RDA — within safe limits
📚 76 studies (Tier A: 0, B: 33)
3.4 mg
(262% DV)
✅ 2.6× RDA — within safe limits
📚 12 studies (Tier A: 0, B: 1)
40 mg
(250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.1× (UL: 35 mg)
📚 193 studies (Tier A: 5, B: 63)
4 mg
(235% DV)
📊 3.1× RDA — above typical dose (UL: 100 mg)
📚 113 studies (Tier A: 3, B: 35)
665 mcg DFE
(166% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 665.0× (UL: 1.0 mg)
📚 225 studies (Tier A: 10, B: 105)
12 mcg
(500% DV)
📊 5.0× RDA — above typical dose
📚 138 studies (Tier A: 1, B: 44)
300 mcg
(1000% DV)
📊 10.0× RDA — above typical dose
📚 26 studies (Tier A: 0, B: 11)
10 mg
(200% DV)
✅ 2.0× RDA — within safe limits
📚 1 studies — no high-quality reviews
Calcium
250 mg
(19% DV)
Iron
9 mg
(50% DV)
150 mcg
(100% DV)
✅ Within RDA (1.0× RDA of 0.15 mg)
📚 243 studies (Tier A: 4, B: 133)
40 mg
(10% DV)
📊 Market median: 4002.0mg (1 products)
📚 20 studies (Tier A: 0, B: 2)
15 mg
(136% DV)
✅ 1.4× RDA — within safe limits
📚 258 studies (Tier A: 6, B: 134)
45 mcg
(82% DV)
✅ Within RDA (0.8× RDA of 0.055 mg)
📚 172 studies (Tier A: 0, B: 67)
2 mg
(222% DV)
✅ 2.2× RDA — within safe limits
📚 36 studies (Tier A: 0, B: 11)
2 mg
(87% DV)
✅ Within RDA (0.9× RDA of 2.3 mg)
📚 8 studies — no high-quality reviews
100 mcg
(286% DV)
✅ 2.9× RDA — within safe limits
📚 197 studies (Tier A: 1, B: 55)
25 mcg
(56% DV)
✅ Within RDA (0.6× RDA of 0.045 mg)
📚 2 studies — no high-quality reviews
90 mg
📊 Market median: 180.0mg (239 products)
📚 43 studies (Tier A: 1, B: 19)
Other Ingredients
Calcium Carbonate
Microcrystalline Cellulose
Caffeine
Magnesium Oxide
Ascorbic Acid
Maltodextrin
Niacinamide
Dicalcium Phosphate
Ferrous Fumarate
Beta-Carotene
Biotin
Cholecalciferol
Chromium Chloride
Croscarmellose Sodium
Copper Sulfate
Cyanocobalamin
D-Calcium Pantothenate
DL-Alpha-Tocopheryl Acetate
FD&C Blue #1 Aluminum Lake
FD&C yellow #5 aluminum lake
Folic Acid
Gelatin
Hydroxypropyl Methylcellulose
Manganese Sulfate
Phylloquinone
Polyethylene Glycol
Polyvinylpolypyrrolidone
Potassium Iodide
Pyridoxine Hydrochloride
Riboflavin
Silicon Dioxide
Sodium Molybdate
Sodium Selenite
Stearic Acid
Thiamine Mononitrate
Titanium Dioxide color
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 (18 - 50 Years)
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. Not for children Keep out of reach of children Child resistant cap
For adult use only This product contains about as much caffeine as a cup of coffee (90 mg). Do not exceed recommended intake Do not use this product if printed safety seal bearing "Bayer Health Care" under cap is torn or missing.
If pregnant, breast-feeding, taking medication, or have any medical condition ask a health professional before use.
🧪 Formulation Notes
No artificial sweeteners or flavors
With B vitamins to help convert food to energy
Additional Information
Store at room temperature. Avoid excessive heat above 40 degrees C (104 degrees F).
Questions or comments? Please call 1-800-800-4793 (Mon - Fri 9AM - 5PM EST)
Paper box Discard seal, empty & replace cap Plastic bottle how2recycle.info
Product Details
UPC / SKU
0 16500 58700 2
DSLD Entry Date
2023-02-21
Product Type
Other Combinations
Form
Tablet or Pill
Brand
Bayer One A Day
DSLD ID
269976
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
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A
Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection
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Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
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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
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