Thiamine HCl
Also called Thiamine hydrochloride
Thiamine hydrochloride is the most common supplemental salt of thiamine. It dissolves well in water, is efficiently absorbed at standard doses, and is converted to the active thiamine pyrophosphate (TPP) in the body. It is the practical default for most people covering basic needs or addressing mild deficiency.
Best for
General deficiency prevention and energy support
Absorption
High
Tolerability
Excellent
Typical timing
With meals to improve absorption
How to take Thiamine HCl
A typical dose of Vitamin B1 (Thiamine): 1–1.5 mg per day (RDA); 100–300 mg for therapeutic use. Best timing: With meals to improve absorption. The form you choose mainly affects absorption and how easily it sits with your stomach, not the overall dose.
Where to buy Thiamine HCl
Choose a third-party-tested brand; the label should name this form explicitly.
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