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One Daily Energy

product on market Tablet or Pill 21st Century Safety: 98/100
98/100

This product looks safe

  • Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)
  • Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)
  • 64% of ingredients have research evidence
D Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains a blend of essential vitamins that support immune function, bone health, and antioxidant defense. There is strong research evidence supporting the roles of vitamins A, C, D, E, and K in maintaining general physiological health. The ingredient profile maintains a high safety score for typical 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)

Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

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

Label Data

1 Tablet(s)
Serving Size
75
Servings
Other Combinations
Product Type
64%
Evidence Coverage
Ingredients

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) 608 studies (A:16, B:251)
10 mg (68% DV)
Within RDA (0.7× RDA) 179 studies (A:3, B:90)
25 mcg (21% DV)
Within RDA (0.2× RDA) 275 studies (A:9, B:175)
3 mg (250% DV)
2.5× RDA — within safe limits 76 studies (A:0, B:33)
3.4 mg (262% DV)
2.6× RDA — within safe limits 13 studies (A:0, B:1)
40 mg (250% DV)
Exceeds UL by 1.1× (UL: 35 mg) 196 studies (A:5, B:63)
4 mg (235% DV)
3.1× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
667 mcg DFE (167% DV)
Exceeds UL by 667.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
12 mcg (500% DV)
5.0× RDA — above typical dose 139 studies (A:1, B:44)
300 mcg (1000% DV)
10.0× RDA — above typical dose 27 studies (A:0, B:11)
10 mg (200% DV)
2.0× RDA — within safe limits 2 studies — no high-quality reviews
Calcium
250 mg (19% 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 (136% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
45 mcg (82% DV)
Within RDA (0.8× RDA) 173 studies (A:0, B:67)
2 mg (222% DV)
2.2× RDA — within safe limits 37 studies (A:0, B:11)
2 mg (87% DV)
Within RDA (0.9× RDA) 9 studies — no high-quality reviews
100 mcg (286% DV)
2.9× RDA — within safe limits 199 studies (A:1, B:55)
25 mcg (56% DV)
Within RDA (0.6× RDA) 3 studies — no high-quality reviews
90 mg (4% DV)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
Potassium
99 mg (2% DV)
Tin
10 mcg
5 mg
Market median: 108.0mg (8 products) 9 studies (A:0, B:4)
Market median: 495.0mg (70 products)

Other Ingredients

Cellulose Maltodextrin Starch Croscarmellose Sodium Hydroxypropyl Methylcellulose Artificial Colors Ascorbyl Palmitate BHA BHT Caramel DL-Alpha Tocopherol Gelatin Gum Arabic Magnesium Silicate Magnesium Stearate Mannitol PEG Polydextrose Polysorbate Polyvinyl Alcohol Polyvinyl Pyrrolidone Sodium Aluminosilicate Stearic Acid Sucrose Titanium Dioxide Triacetin Vegetable Oil Water
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Info

Product Information

Directions for Use

Directions: As a dietary supplement, adults take one (1) tablet daily with any meal or as directed by your healthcare provider. Do not exceed recommended dosage.

Warnings & Precautions

Do not exceed recommended dosage.

Warning: For adult use only. This product contains about as much caffeine as one cup of coffee and may cause adverse reaction in those with a health condition or sensitivity that may be aggravated by caffeine.

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

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.

Formulation Notes

Gluten free

No added Yeast or Artificial Flavors Gluten Free.

Additional Information

Compare vs. One A Day Energy

Individual results may vary.

Store at room temperature.

Guaranteed quality Laboratory tested

Metadata

Product Details

UPC / SKU7 40985 27302 9
DSLD Entry Date2022-01-22
Product TypeOther Combinations
FormTablet or Pill
Brand21st Century
DSLD ID258482
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.