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Sentry Adults

product on market Tablet or Pill 21st Century Safety: 99/100
99/100

This product looks safe

  • Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)
  • 63% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains essential vitamins A, C, D3, E, and K, which are supported by strong evidence for maintaining immune function and bone health. These nutrients play critical roles in cellular protection and nutrient absorption. The overall safety profile is high, though evidence coverage for this specific blend is limited.

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

Alerts

Safety Alerts

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

Label

Product Label

Label for Sentry Adults
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Other Combinations
Product Type
63%
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)
13.5 mg (90% DV)
Within RDA (0.9× RDA) 179 studies (A:3, B:90)
25 mcg (21% DV)
Within RDA (0.2× RDA) 275 studies (A:9, B:175)
1.5 mg (125% DV)
1.2× RDA — within safe limits 76 studies (A:0, B:33)
1.7 mg (131% DV)
1.3× RDA — within safe limits 13 studies (A:0, B:1)
20 mg (125% DV)
1.4× RDA — within safe limits 196 studies (A:5, B:63)
2 mg (118% DV)
1.5× RDA — within safe limits 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)
6 mcg (250% DV)
2.5× RDA — within safe limits 139 studies (A:1, B:44)
30 mcg (100% DV)
Within RDA (1.0× RDA) 27 studies (A:0, B:11)
10 mg (200% DV)
2.0× RDA — within safe limits 2 studies — no high-quality reviews
Calcium
200 mg (15% DV)
Iron
18 mg (100% DV)
20 mg (2% DV)
Market median: 99.0mg (503 products) 13 studies (A:0, B:3)
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
50 mg (12% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
11 mg (100% DV)
Within RDA (1.0× RDA) 263 studies (A:6, B:134)
55 mcg (100% DV)
Within RDA (1.0× RDA) 173 studies (A:0, B:67)
0.5 mg (56% DV)
Within RDA (0.6× RDA) 37 studies (A:0, B:11)
2.3 mg (100% DV)
Within RDA (1.0× RDA) 9 studies — no high-quality reviews
35 mcg (100% DV)
Within RDA (1.0× RDA) 199 studies (A:1, B:55)
45 mcg (100% DV)
Within RDA (1.0× RDA) 3 studies — no high-quality reviews
72 mg (3% DV)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
Potassium
80 mg (2% DV)
75 mcg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
Tin
10 mcg
Nickel
5 mcg
10 mcg
Market median: 0.5mg (6 products) 1 studies (A:0, B:1)

Other Ingredients

Cellulose Starch Stearic Acid Contains Less Than 2% of
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 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

Compare vs. Centrum

Gluten free

Individual results may vary.

Store at room temperature.

Guaranteed quality Laboratory tested

Metadata

Product Details

UPC / SKU7 40985 27318 0
DSLD Entry Date2019-10-23
Product TypeOther Combinations
FormTablet or Pill
Brand21st Century
DSLD ID207458
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.