Thiamine (Vitamin B1)

Also known as: vitamin b1, B1, thiamine HCl, thiamine mononitrate, benfotiamine

BBuilding Evidence650 studies referenced

Common dosage

100-300mg the morning after drinking (or higher in chronic alcohol context, medical supervision)

Description

Water-soluble B vitamin. Alcohol inhibits intestinal thiamine absorption by up to 50% via active transport interference; deficiency drives the fatigue, confusion, and weakness pattern of hangover. Cleaner mechanistic case than generic B-complex blends for alcohol-related symptom support.

Safety & interactions

Very wide safety margin. Even high oral doses are well-tolerated; excess is excreted.

Check interactions with other supplements→

Expected outcomes

Outcome estimates are derived from published research and represent population-level associations, not guaranteed individual results. Consult a healthcare professional before making decisions based on these estimates.

Some links on this page may earn us a commission at no extra cost to you. This never influences our evidence grades or recommendations. Full disclosure

Order Thiamine (Vitamin B1)

Recommended: 100-300mg the morning after drinking (or higher in chronic alcohol context, medical supervision)

Protocols featuring Thiamine (Vitamin B1)

Hangover Recovery ProtocolBBuilding Evidence

Questions about Thiamine (Vitamin B1)

Who has been studied for Thiamine (Vitamin B1)?

Who should avoid Thiamine (Vitamin B1) based on the safety notes?

What dose did studies use for Thiamine (Vitamin B1), and when was it taken?

ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.