Sentry Energy

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

Product Label

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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 Data

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

Supplement Facts — Evidence Check

Vitamin A
1050 mcg (117% DV)
Vitamin C
120 mg (133% DV)
10 mcg (50% 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
27 mg (180% DV)
✅ 1.8× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 27mg UL 1000mg
25 mcg (21% DV)
✅ Within RDA (0.2× RDA of 0.12 mg) 📚 273 studies (Tier A: 9, B: 175)
RDA 0.12mg This product: 0.025mg
4.5 mg (375% DV)
📊 3.8× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 4.5mg
5.1 mg (392% DV)
📊 3.9× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 5.1mg
40 mg (250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.1× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 40mg UL 35mg
6 mg (353% DV)
📊 4.6× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 6mg UL 100mg
667 mcg DFE (167% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 667.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 667mg UL 1.0mg
18 mcg (750% DV)
📊 7.5× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.018mg
50 mcg (167% DV)
✅ 1.7× RDA — within safe limits 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.05mg
12 mg (240% DV)
✅ 2.4× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 12mg
Calcium
100 mg (8% DV)
Iron
18 mg (100% DV)
48 mg (4% DV)
✅ Within RDA (0.1× RDA of 700 mg) 📚 12 studies (Tier A: 0, B: 3)
RDA 700mg This product: 48mg UL 4000mg
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
40 mg (10% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 40mg
11 mg (100% DV)
✅ Within RDA (1.0× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 11mg UL 40mg
70 mcg (127% DV)
✅ 1.3× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.07mg UL 0.4mg
0.9 mg (100% DV)
✅ Within RDA (1.0× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 0.9mg UL 10mg
4 mg (174% DV)
✅ 1.7× RDA — within safe limits 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 4mg UL 11mg
120 mcg (343% DV)
📊 3.4× RDA — above typical dose 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.12mg
75 mcg (167% DV)
✅ 1.7× RDA — within safe limits 📚 2 studies — no high-quality reviews
RDA 0.045mg This product: 0.075mg UL 2mg
72 mg (3% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 72mg
Potassium
80 mg (2% DV)
60 mcg
📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews
This product: 0.06mg UL 20mg
Tin
10 mcg
Nickel
5 mcg
10 mcg
📊 Market median: 0.5mg (6 products) 📚 1 studies (Tier A: 0, B: 1)
This product: 0.01mg UL 1.8mg
50 mg
📊 Market median: 450.0mg (390 products) 📚 155 studies (Tier A: 0, B: 63)
This product: 50mg

Other Ingredients

Starch Cellulose Maltodextrin Stearic Acid Gelatin Hydroxypropyl Methylcellulose Contains Less Than 2% of

Label Claims — Verification

❓ Nutrient
❓ All Other
All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

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

⚠️ Warnings & Precautions

Do not exceed recommended dosage.

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.

Important Information: Extended use of high levels of Vitamin A (excluding Beta-Carotene as the source) may increase the risk to adults of developing osteoporosis. Do not use this product if using other Vitamin A supplements.

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

Important Information: Extended use of high levels of Vitamin A (excluding Beta-Carotene as the source) may increase the risk to adults of developing osteoporosis.

No added Yeast or Artificial Flavors. Gluten Free.

Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6.

Additional Information

Energy

Compare vs. Centrum Specialist Energy

Gluten free

Individual results may vary.

Store at room temperature.

Guaranteed quality Laboratory tested

Product Details

UPC / SKU 7 40985 27311 1
DSLD Entry Date 2019-10-23
Product Type Other Combinations
Form Tablet or Pill
Brand 21st Century
DSLD ID 207442
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 →

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