1 Product identity
Ingredient risk
4 ingredients to use with caution
Brewer's Yeast Powder
BrandVitamin World→Multi-Vitamin and Mineral (MVM) Powder 19 ingredients 4 caution DSLD #20791Net contents: 1 lb
Target: Adults and Children 4 years and above
DSLD entry: 2013-04-25
2 Ingredients (19)
IngredientGroupSafety
CaloriesCalories—
Calories from FatCalories—
Total FatFat (unspecified)—
Total CarbohydratesCarbohydrate—
Dietary FiberFiber (unspecified)—
SugarSugar—
ProteinProtein (unspecified)—
Brewer's YeastBrewer's Yeast—
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…
Vitamin B6 — Sensory neuropathy from chronic high-dose B6 (>200 mg/day) — presents as numbness, ataxia. Can be irreversible. Often self-prescribed by patients…
Vitamin B12 — Nitrous oxide anesthesia in subclinically B12-deficient patients can precipitate acute combined degeneration — always check B12 before elective p…
Iron — Iron supplementation in iron-replete patients may increase cardiovascular and cancer risk — always document deficiency before prescribing [1].
3 Safety cross-reference
Vitamin A — Conditionally Safe
⚠ Teratogenic at high doses
⚠ Hepatotoxic with chronic excess
Thiamin — Use with Caution
⚠ Very low toxicity
Riboflavin — Generally Safe
⚠ Harmless yellow urine
Niacin — Conditionally Safe
⚠ Flushing at >50 mg
⚠ Hepatotoxicity at high doses
Vitamin B6 — Use with Caution
Folate — Conditionally Safe
⚠ May mask B12 deficiency
⚠ Colorectal cancer risk debated
Vitamin B12 — Use with Caution
Pantothenic Acid — Limited Evidence
⚠ Diarrhea at very high doses
Iron — Use with Caution
⚠ GI upset, constipation
⚠ Fatal toxicity in children
Manganese — Conditionally Safe
⚠ Neurotoxicity with chronic excess
Sodium — Conditionally Safe
⚠ Hypertension
⚠ Fluid retention
4 Label claims
• All Other
5 Data source
DSLD ID20791
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2013-04-25
6 More from Vitamin World
View Vitamin World Safety Scorecard → 341 products
100% Natural E-200 IU100% Natural E-400 IU5-HTP L-5-Hydroxy Tryptophan 100 mg7-Keto DHEA 25 mgABC Plus Senior Iron FreeABC Plus Senior Iron Free7 Cite this page
Vancouver
Pkhakadze G. Brewer's Yeast Powder — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 24]. Available from: https://supplement.ge/products/brewers-yeast-powder-20791/
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