1 Product identity
Ingredient risk
3 ingredients to use with caution
ZMA
BrandOptimum Nutrition→Other Combinations Capsule 8 ingredients 3 caution DSLD #57567Net contents: 90 Capsule(s)
Target: Adults and Children 4 years and above
DSLD entry: 2016-03-24
2 Ingredients (8)
IngredientGroupSafety
GelatinGelatin—
Microcrystalline CelluloseCellulose—
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
⚠️ Use with caution — restricted in some markets
Vitamin B6 — Sensory neuropathy from chronic high-dose B6 (>200 mg/day) — presents as numbness, ataxia. Can be irreversible. Often self-prescribed by patients…
Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].
Zinc — Chronic zinc >40 mg/day without copper causes copper deficiency: anemia, neutropenia, myeloneuropathy [1].
3 Safety cross-reference
Vitamin B6 — Use with Caution
Magnesium — Use with Caution
⚠ Diarrhea (especially oxide)
⚠ Accumulates in renal impairment
Zinc — Use with Caution
⚠ Copper deficiency at >40 mg/day
⚠ Nausea, metallic taste
4 Label claims
• Nutrient
• All Other
• Structure/Function
5 Data source
DSLD ID57567
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2016-03-24
6 More from Optimum Nutrition
View Optimum Nutrition Safety Scorecard → 6 products
After Max Chocolate SundayAfter Max Vanilla Ice CreamMega-Size BCAA 1000 CapsSuperior Amino 2222 TabsThreshold7 Cite this page
Vancouver
Pkhakadze G. ZMA — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 28]. Available from: https://supplement.ge/products/zma-57567/
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