Best Vitamin B1 for General Health
Top 10 products ranked
Last reviewed May 2026
Clinical dose: 25–100 mg
Why Vitamin B1 for General Health
Vitamin B1 plays a supporting role in general health. Essential cofactor for glucose metabolism and energy production, particularly in nerve and muscle cells. Benfotiamine is a fat-soluble derivative with up to 5x higher bioavailability than standard thiamine, making it especially beneficial for nerve health.
What dose to look for
Clinical studies typically use 25–100 mg of vitamin b1. B-complex supplements typically provide 25–100 mg. Products below this range may not deliver meaningful results.
What the research says
Vitamin B1 has strong clinical evidence for general health benefits. Essential for glucose metabolism and nerve function; benfotiamine form has up to 5x higher bioavailability Learn more

Naka Platinum
Bioactive Multi for Women, 120 Veggie Caps
benfotiamine · 30 mg

California Gold Nutrition
Daily Multivitamins
thiamine hydrochloride · 75 mg

Thorne
Men's Multi 50+
thiamine hydrochloride · 40 mg

Thorne
Basic Nutrients 2/Day
thiamin hcl · 50 mg

Thorne
Basic B Complex
Mixed forms · 110 mg

Swanson
Activated B-Complex High Bioavailability
benfotiamine · 36 mg

Life Extension
Two-Per-Day Multivitamin, V2, 120 Tablets
thiamine hcl · 75 mg

Life Extension
BioActive Complete B-Complex
Mixed forms · 100 mg

Doctor's Best
Fully Active B Complex with Quatrefolic
thiamine hydrochloride · 60 mg

Life Extension
Two-Per-Day Multivitamin, 120 Tablets
thiamine hcl · 75 mg