1 Product identity
Ingredient risk
2 ingredients to use with caution

Vitamin B-1 100 mg

BrandBest NaturalsSingle Vitamin and Mineral Tablet or Pill 8 ingredients 2 caution DSLD #270220
Net contents: 120 Tablet(s)
Target: Adults and Children 4 years and above
DSLD entry: 2022-06-16
2 Ingredients (8)
IngredientGroupSafety
Vitamin B1Vitamin B1 (thiamine mononitrate)Use with Caution
CalciumCalciumConditionally Safe
Microcrystalline CelluloseCellulose
Stearic AcidStearic Acid
Croscarmellose SodiumCroscarmellose Sodium
Silicon DioxideSiliconGenerally Safe
Magnesium StearateMagnesiumUse with Caution
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
Thiamin — Use with Caution
Calcium — Conditionally Safe
⚠ Cardiovascular risk debated >1,000 mg/day
⚠ Kidney stones
Sodium — Limited Evidence
⚠ Hypertension
⚠ Fluid retention
Silicon — Generally Safe
⚠ Very low toxicity
Magnesium — Use with Caution
⚠ Diarrhea (especially oxide)
⚠ Accumulates in renal impairment
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 ID270220
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2022-06-16
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View Best Naturals Safety Scorecard → 31 products
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7 Cite this page
Vancouver
Pkhakadze G. Vitamin B-1 100 mg — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jul 30]. Available from: https://supplement.ge/products/vitamin-b-1-100-mg-270220/
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