Home/ Supplements/ Vitamin A/ Sentry Senior

Sentry Senior

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

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 71% of ingredients have research evidence
A 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 support immune function and bone health. Strong clinical evidence supports the role of these micronutrients in maintaining systemic wellness. However, the overall evidence coverage for this specific ingredient profile is limited.

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

Label

Product Label

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

Label Data

1 Tablet(s)
Serving Size
Other Combinations
Product Type
71%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
2500 IU (50% DV)
Vitamin C
60 mg (100% DV)
500 IU (125% DV)
Within RDA (0.8× RDA) 608 studies (A:16, B:251)
50 IU (167% DV)
2.2× RDA — within safe limits 179 studies (A:3, B:90)
30 mcg (38% DV)
Within RDA (0.2× RDA) 275 studies (A:9, B:175)
1.5 mg (100% DV)
1.2× RDA — within safe limits 76 studies (A:0, B:33)
1.7 mg (100% DV)
1.3× RDA — within safe limits 13 studies (A:0, B:1)
20 mg (100% DV)
1.4× RDA — within safe limits 196 studies (A:5, B:63)
3 mg (150% DV)
2.3× RDA — within safe limits 114 studies (A:3, B:35)
400 mcg (100% DV)
Within RDA (1.0× RDA) 226 studies (A:10, B:105)
25 mcg (417% DV)
10.4× RDA — above typical dose 139 studies (A:1, B:44)
30 mcg (10% DV)
Within RDA (1.0× RDA) 27 studies (A:0, B:11)
10 mg (100% DV)
2.0× RDA — within safe limits 2 studies — no high-quality reviews
Calcium
220 mg (22% 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 (13% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
11 mg (73% DV)
Within RDA (1.0× RDA) 263 studies (A:6, B:134)
55 mcg (79% DV)
Within RDA (1.0× RDA) 173 studies (A:0, B:67)
0.5 mg (25% DV)
Within RDA (0.6× RDA) 37 studies (A:0, B:11)
2.3 mg (115% DV)
Within RDA (1.0× RDA) 9 studies — no high-quality reviews
45 mcg (38% DV)
1.3× RDA — within safe limits 199 studies (A:1, B:55)
45 mcg (60% DV)
Within RDA (1.0× RDA) 3 studies — no high-quality reviews
72 mg (2% DV)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
Potassium
80 mg (2% DV)
150 mcg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews
Nickel
5 mcg
2 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)
300 mcg
Market median: 10.0mg (35 products) 6 studies (A:0, B:2)
250 mcg
Market median: 10.0mg (105 products) 2 studies (A:0, B:1)

Other Ingredients

Cellulose Starch Stearic Acid Polyvinyl Alcohol Croscarmellose Sodium Silicon Dioxide Titanium Dioxide PEG Citric Acid Talc Magnesium Stearate Artificial Colors BHT
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
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.

Warnings & Precautions

Do not exceed recommended dosage.

Individual results may vary.

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.

Formulation Notes

Adults 50+

No added Sugar, Yeast, Preservatives or Artificial Flavors.

Additional Information

Nutrients to support healthy heart, eyes and bones VALUE SIZE

Store at room temperature.

LABORATORY TESTED GUARANTEED QUALITY

501121-0614

Metadata

Product Details

UPC / SKU7 40985 27552 8
DSLD Entry Date2015-03-25
Product TypeOther Combinations
FormTablet or Pill
Brand21st Century
DSLD ID43778
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 →
Compare

Similar Products

Prenatal/Postnatal
Redmont Pharmaceuticals · Tablet or Pill
100
ActiveMV
dotFIT · Tablet or Pill
100
X7 - Care
OL Olympian Labs · Tablet or Pill
100
Children's Chewable Vite
Rugby · Tablet or Pill
100
Zoo Friends with Xtra C
21st Century Zoo Friends · Tablet or Pill
100
View all Vitamin A products →
Vitamin A research Best Vitamin A All Vitamin A products More from 21st Century View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.