Typical dose

100-300mg daily

Oral Oral safety: harmless

About this supplement

Vitamin B1, also known as thiamine hydrochloride, is a water-soluble vitamin that plays a crucial role in energy metabolism and the functioning of the nervous system. It is essential for converting carbohydrates into energy and is involved in the synthesis of neurotransmitters. Thiamine is necessary for the proper functioning of the heart, muscles, and nervous system.

How much to take

Typical amount
100-300mg daily
Suggested range
100-300 mg

Potential benefits

Benefits linked to this supplement form:

Things to watch for

Possible side effects linked to this form:

Health goals

Needs and goals this form may help with:

Other forms of Vitamin B1

Compare absorption and active amounts with sibling forms:

Technical details â–¼

Chemical ID (CAS)

67-03-8

Physical properties

White crystalline powder, soluble in water, slightly soluble in alcohol.

How it’s made

Thiamine hydrochloride is typically produced through the chemical synthesis of thiamine from pyrimidine and thiazole precursors, followed by hydrochloric acid treatment to form the hydrochloride salt.