Supplements / Conditional
Thiamine (Vitamin B1)
Best for: Energy, Nutritional coverage
Thiamine (Vitamin B1) is rated good evidence (tier B on our evidence scale). 1–2 mg daily for general adequacy; deficiency contexts (alcohol use, refined-carb diets, post-bariatric) often need much higher. Morning.
Sources last reviewed
When and how to take Thiamine (Vitamin B1)
- Dose
- 1–2 mg daily for general adequacy; deficiency contexts (alcohol use, refined-carb diets, post-bariatric) often need much higher.
- Timing
- Morning.
- Review
- Reassess after 8 to 12 weeks.
- Forms
- thiamine hcl, benfotiamine
What Thiamine (Vitamin B1) is used for
- Often overlooked in heavy alcohol use, refined-carb diets, diuretic use, and bariatric surgery.
- Deficiency presents as fatigue, neuropathy, and brain fog.
When Almavivo suggests Thiamine (Vitamin B1)
- If alcohol depletes thiamine: studied for thiamine adequacy in heavy alcohol use.
- If you flagged low energy, which can be a thiamine signal in restrictive or alcohol-heavy diets: studied for fatigue in subclinical thiamine inadequacy.
What to look for when buying Thiamine (Vitamin B1)
- Preferred third-party verification: USP Verified.
- Common contamination risks: Mislabeling / identity.
- Form: Plain thiamine HCl or benfotiamine (fat-soluble form, better tissue distribution).
Where to get it
We’re building a curated list of third-party-tested products for Thiamine (Vitamin B1). Each one will meet our quality bar (preferred certifications, contamination screens) and carry an explicit affiliate disclosure.
Your experience
If you’ve tried Thiamine (Vitamin B1), you can log how it went. This stays on your device — only you see it.
We frame these as personal experience, not medical claims. Self-reported subjective outcomes are influenced by placebo, regression to the mean, and parallel lifestyle changes. We’ll never present ratings as equivalent to RCT evidence.
Research sources for Thiamine (Vitamin B1)
- NIH ODS Thiamin Fact Sheet (reviewed 2026-04-30)
Related supplements
Almavivo is for education only, not medical advice. Check with a doctor or pharmacist before starting a supplement, especially if you take prescription medicine, are pregnant or breastfeeding, or have a long-term health condition.