🟢 97/100

This product looks safe

  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • 46% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

Label Data

1 Tablet(s) Serving Size
60 Servings
Other Combinations Product Type
46% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
3333 IU (67% DV)
Vitamin C
166 mg (277% DV)
8 mg (533% DV)
📊 6.7× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 8mg
6.6 mg (388% DV)
📊 5.1× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 6.6mg
50 mg (250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 50mg UL 35mg
16.6 mg (830% DV)
📊 12.8× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 16.6mg UL 100mg
8 mg (80% DV)
✅ 1.6× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 8mg
Calcium
65 mg (7% DV)
8 mg (53% DV)
✅ Within RDA (0.7× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 8mg UL 40mg
Bovine (Bos taurus) Adrenal
175 mg
Bovine (Bos taurus) Spleen
175 mg
Wild Yam
15 mg
15 mg
📊 Market median: 420.0mg (127 products) 📚 1 studies (Tier A: 0, B: 1)
This product: 15mg

Other Ingredients

Cellulose Croscarmellose Sodium Silica Magnesium Stearate Hypromellose Glycerin

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

Recommended Adult Dose: Take one tablet daily with a meal, a few hours before or after taking other medications, or as recommended by your healthcare practitioner.

⚠️ Warnings & Precautions

Risk Information: If you are pregnant or breastfeeding; if you have hypokalemia, high blood pressure, kidney or cardiovascular disorder, diabetes, glycosuria, vascular disease, hyperadrenia, hyperthyroidism, bile duct obstruction, acute liver diseases or cancers, septic gall bladder inflammation, intestinal spasm, or an allergy to plants of the Dioscorea family; if you have hormone sensitive conditions such as uterine, endometrial, breast or ovarian cancer, as well as endometriosis and uterine fibroids; or if you are taking thiazide diuretics, cardiac glycosides, corticosteroids, immunosuppressants, stimulant laxatives or other medications which may aggravate electrolyte imbalance, do not use.

Risk Information: If you are pregnant or breastfeeding; if you have hypokalemia, high blood pressure, kidney or cardiovascular disorder, diabetes, glycosuria, vascular disease, hyperadrenia, hyperthyroidism, bile duct obstruction, acute liver diseases or cancers, septic gall bladder inflammation, intestinal spasm, or an allergy to plants of the Dioscorea family; if you have hormone sensitive conditions such as uterine, endometrial, breast or ovarian cancer, as well as endometriosis and uterine fibroids; or if you are taking thiazide diuretics, cardiac glycosides, corticosteroids, immunosuppressants, stimulant laxatives or other medications which may aggravate electrolyte imbalance, do not use.

As wild yam may increase the risk of thrombosis, do not use if you have protein S deficiency.

Quality Assurance: Safety-sealed for your protection and for product freshness. Do not use if outer seal is missing or broken.

🧪 Formulation Notes

Guaranteed to contain no added wheat, yeast, gluten, soy, artificial coloring or flavoring or dairy products.

Additional Information

Store in a cool, dry place.

V1.0 301

Seroyal

Product Details

UPC / SKU 883196 11422
DSLD Entry Date 2016-01-25
Product Type Other Combinations
Form Tablet or Pill
DSLD ID 56061
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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