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2Corrective

Vitamin B1 (Thiamine)

Also sold as Thiamine, benfotiamine

Corrective in alcohol use, malabsorption, or after bariatric surgery.

2TrustedSupp Tier System™ · Tier 2Take until levels correct

How long to take it

Course-based, guided by the underlying cause.

Who it's actually for

Heavy alcohol use, bariatric surgery, prolonged vomiting, and some diabetic complications.

Safe upper limit

Unverified
None established
Water-soluble and readily excreted; toxicity is not a practical concern.
No source attached yet. Treat this as a starting point, not a citation, until reviewed.

Interactions to know about

  • Diuretics (water tablets) — Furosemide, bendroflumethiazide, spironolactone

Run your full list through the interaction check.

Practical notes

  • Deficiency here can cause rapid and irreversible neurological damage — this is one to treat promptly, not casually.