🟢 97/100

This product looks safe

  • Niacin: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)
  • Manganese: 20mg is 1.8× the Tolerable Upper Intake Level (11mg)
  • 73% of ingredients have research evidence
D Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 150mg is 4.3× the Tolerable Upper Intake Level (35mg)
⚠️ Manganese: 20mg is 1.8× the Tolerable Upper Intake Level (11mg)

Label Data

2 Capsule(s) Serving Size
15 Servings
Other Combinations Product Type
73% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
5000 IU (100% DV)
Vitamin C
500 mg (833% DV)
100 IU (25% DV)
✅ Within RDA (0.2× RDA of 0.015 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.0025mg UL 0.1mg
400 IU (1333% DV)
📊 17.9× RDA — above typical dose (UL: 1000 mg) 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 268.0mg UL 1000mg
50 mg (3333% DV)
📊 41.7× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 50mg
25 mg (1470% DV)
📊 19.2× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 25mg
150 mg (750% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 4.3× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 150mg UL 35mg
30 mg (1500% DV)
📊 23.1× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 30mg UL 100mg
800 mcg (200% DV)
✅ 2.0× RDA — within safe limits 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.8mg UL 1.0mg
50 mcg (833% DV)
📊 20.8× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.05mg
3000 mcg (1000% DV)
📊 100.0× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 3.0mg
100 mg (1000% DV)
📊 20.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 100mg
Calcium
200 mg (20% DV)
400 mg (100% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 400mg
30 mg (200% DV)
✅ 2.7× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 30mg UL 40mg
150 mcg (214% DV)
✅ 2.7× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.15mg 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
20 mg (1000% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.8× (UL: 11 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 20mg UL 11mg
1000 mcg (833% DV)
📊 28.6× RDA — above typical dose 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 1.0mg
Potassium
99 mg (3% DV)
20 mcg
📊 Market median: 0.5mg (6 products) 📚 1 studies (Tier A: 0, B: 1)
This product: 0.02mg UL 1.8mg
📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 30mg

Other Ingredients

Capsule shell Magnesium Stearate

Label Claims — Verification

All Other
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

RECOMMENDATION: Two (2) to six (6) capsules each day as a dietary supplement or as otherwise directed by a healthcare professional.

⚠️ Warnings & Precautions

WARNING: If you are taking Diabetes medications, do not use this product without medical supervision

KEEP OUT OF REACH OF CHILDREN

Sealed with an imprinted safety seal for your protection.

Additional Information

Store in a cool, dry area.

Rev. 6/09

Formulated by Jonathan V. Wright, M.D. and Alan R. Gaby, M.D.

Lot Number: 34023A Exp. Date: NOV 11

Product Details

DSLD Entry Date 2013-05-24
Product Type Other Combinations
Form Capsule
DSLD ID 21827
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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