1 Product identity
Ingredient risk
1 ingredient to use with caution
Biotin 5,000 mcg Extra Strength
BrandNatrol→Single Vitamin and Mineral Tablet or Pill 9 ingredients 1 caution DSLD #174331Net contents: 150 Tablet(s)
Target: Adults and Children 4 years and above
DSLD entry: 2018-03-23
2 Ingredients (9)
IngredientGroupSafety
Microcrystalline CelluloseCellulose—
Cellulose GumCellulose—
Stearic AcidStearic Acid—
MethylcelluloseMethyl cellulose—
GlycerinGlycerol—
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
⚠️ Use with caution — restricted in some markets
Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].
3 Safety cross-reference
Biotin — Generally Safe
⚠ Interferes with troponin and thyroid lab assays
Calcium — Conditionally Safe
⚠ Cardiovascular risk debated >1,000 mg/day
⚠ Kidney stones
Silicon — Generally Safe
⚠ Very low toxicity
Magnesium — Use with Caution
⚠ Diarrhea (especially oxide)
⚠ Accumulates in renal impairment
4 Label claims
• Nutrient
• All Other
• Structure/Function
5 Data source
DSLD ID174331
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2018-03-23
6 More from Natrol
View Natrol Safety Scorecard → 85 products
5-HTP5-HTP Mood & Relaxation 100 mg5-HTP Time ReleaseAlpha Lipoic Acid 100 mgAlpha Lipoic Acid 100 mgBiotin 1,000 mcg7 Cite this page
Vancouver
Pkhakadze G. Biotin 5,000 mcg Extra Strength — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 26]. Available from: https://supplement.ge/products/dsld-174331/
CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.
GP
Analyzed by SupplementIndex
PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD
Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG
Publisher: PHIG