🟢 97/100

This product looks safe

  • Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)
  • 50% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 40mg is 1.1× the Tolerable Upper Intake Level (35mg)

Label Data

2 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
10000 IU (200% DV)
Vitamin C
250 mg (417% DV)
200 IU (667% DV)
📊 8.9× RDA — above typical dose (UL: 1000 mg) 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 134.0mg UL 1000mg
40 mg (200% 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
Calcium
28 mg (3% DV)
25 mg (167% DV)
✅ 2.3× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 25mg UL 40mg
125 mcg (179% DV)
✅ 2.3× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.125mg UL 0.4mg
2 mg (100% DV)
✅ 2.2× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 2mg UL 10mg
300 mg
📊 Market median: 200.0mg (107 products)
Median 200.0mg This product: 300mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 200mg
Calendula powder
50 mg
Artichoke 4:1 extract
50 mg

Other Ingredients

Gelatin Silica Dibasic Calcium Phosphate Sucrose Ethyl Cellulose Hypromellose Soybean Oil Magnesium Stearate

Label Claims — Verification

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: Take 2 capsules, one time daily, with a meal.

🧪 Formulation Notes

Over 5 super-powered antioxidants

Additional Information

Fight free radicals and boost immunity

Product Details

DSLD Entry Date 2017-02-24
Product Type Other Combinations
Form Capsule
Brand Natrol
DSLD ID 71075
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
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
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
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
A Fortification of staple foods with vitamin A for vitamin A deficiency
Systematic Review The Cochrane database of systematic reviews 2019
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
A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
Meta Analysis The Cochrane database of systematic reviews 2020
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
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019
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
View all evidence for Vitamin A →

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