Vitamin B1 (Thiamine)

Specialist

also

What it isThiamine is a B vitamin essential for converting carbohydrates into energy. It exists in cells as thiamine pyrophosphate, a cofactor for several key metabolic enzymes.

DoesDrives carbohydrate metabolism, ATP production, and nerve conduction.

GoodAdequate thiamine supports energy production and neurological.

BadDeficiency causes wet beriberi (cardiomyopathy), dry beriberi (peripheral neuropathy), and Wernicke-Korsakoff syndrome. Common in alcohol use disorder, post-bariatric surgery, and high-glucose diets without adequate B vitamins.

Standard
70–180 nmol/L.
Optimal
110–160 nmol/L (higher is good within range)
Modifiers
Alcohol depletes it; high carbohydrate intake increases need.

How to optimize

Lifestyle
Cut alcohol.
Diet
Pork, sunflower seeds, legumes, whole grains, nutritional yeast.
Supplements
Benfotiamine (fat-soluble form, 150–300mg/day) crosses cell membranes better than regular thiamine; B-complex.
Peptides
Drugs
IV thiamine for Wernicke's syndrome.