1 Product identity
Ingredient risk
2 ingredients to use with caution
Brewer's Yeast 500 mg
BrandBest Naturals→Non-Nutrient/Non-Botanical Tablet or Pill 11 ingredients 2 caution DSLD #270357Net contents: 240 Tablet(s)
Target: Adults and Children 4 years and above
DSLD entry: 2022-06-16
2 Ingredients (11)
IngredientGroupSafety
Brewer's YeastBrewer's Yeast—
Microcrystalline CelluloseCellulose—
Stearic AcidStearic Acid—
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
⚠️ Use with caution — restricted in some markets
Thiamin — Wernicke encephalopathy: classic triad (confusion, ophthalmoplegia, ataxia) is present in only 16% of cases — any ONE element in an at-risk patie…
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
Niacin — Conditionally Safe
⚠ Flushing at >50 mg
⚠ Hepatotoxicity at high doses
Thiamin — Use with Caution
⚠ Very low toxicity
Riboflavin — Generally Safe
⚠ Harmless yellow urine
Calcium — Conditionally Safe
⚠ Cardiovascular risk debated >1,000 mg/day
⚠ Kidney stones
Sodium — Limited Evidence
⚠ Hypertension
⚠ Fluid retention
Magnesium — Use with Caution
⚠ Diarrhea (especially oxide)
⚠ Accumulates in renal impairment
Silicon — Generally Safe
⚠ Very low toxicity
GLA — Limited Evidence
⚠ May lower seizure threshold
⚠ Borage oil: hepatotoxic unless PA-free
4 Label claims
• Nutrient
• All Other
• Structure/Function
5 Data source
DSLD ID270357
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2022-06-16
6 More from Best Naturals
View Best Naturals Safety Scorecard → 31 products
Apple Pectin 700 mgBiotin 10,000 mcgBiotin 10,000 mcgBiotin 5,000 mcgBlack SeedBlack Seed (Black Cumin Seed) 1000 mg7 Cite this page
Vancouver
Pkhakadze G. Brewer's Yeast 500 mg — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 25]. Available from: https://supplement.ge/products/brewers-yeast-500-mg-270357/
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