1 Product identity
Ingredient risk
1 ingredient to use with caution
Mega-Size BCAA 1000 Caps
BrandOptimum Nutrition→Amino acid/Protein Capsule 6 ingredients 1 caution DSLD #258965Net contents: 200 Capsule(s)
Target: Adults and Children 4 years and above
DSLD entry: 2021-09-24
2 Ingredients (6)
IngredientGroupSafety
L-Isoleucine, MicronizedIsoleucine—
L-Valine, MicronizedValine—
GelatinGelatin—
Microcrystalline CelluloseCellulose—
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
L-Leucine — Limited Evidence
⚠ May worsen pellagra
⚠ High doses may impair glucose metabolism
Magnesium — Use with Caution
⚠ Diarrhea (especially oxide)
⚠ Accumulates in renal impairment
4 Label claims
• Nutrient
• All Other
• Structure/Function
5 Data source
DSLD ID258965
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2021-09-24
6 More from Optimum Nutrition
View Optimum Nutrition Safety Scorecard → 6 products
After Max Chocolate SundayAfter Max Vanilla Ice CreamSuperior Amino 2222 TabsThresholdZMA7 Cite this page
Vancouver
Pkhakadze G. Mega-Size BCAA 1000 Caps — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 27]. Available from: https://supplement.ge/products/mega-size-bcaa-1000-caps-258965/
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