Vitamin
Vitamin B1 (Thiamine)
Also known as: Thiamine, Thiamin, Aneurin, Vitamin B1
A
Evidence
Thiamine is an essential B-vitamin that functions as a coenzyme in carbohydrate and amino acid metabolism. Thiamine HCl is a stable, highly bioavailable form.
Primary uses
- Energy metabolism
- Nerve function
- Carbohydrate metabolism
- Energy metabolism (carbohydrate and branched-chain amino acid oxidation)
- Nervous system function and myelin formation
- Cognitive function
- Deficiency prevention (Wernicke-Korsakoff syndrome)
How it works
- Cofactor for pyruvate dehydrogenase
- Essential for acetyl-CoA production
- Supports nerve membrane function
Dosage
- Typical range
- 25-100 mg daily
- Timing
- With food
- With food
- Yes
- Duration
- Safe long-term
- Special populations
- Alcoholics at high risk of deficiency
Forms
- Thiamine HCl
- Benfotiamine
- thiamine mononitrate· 70/100
- benfotiamine (lipophilic form)· 70/100
Safety
Common side effects
- Very safe
Contraindications
- None
Evidence notes
Essential B vitamin
Grade A: Multiple well-designed human trials support the main claims.
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