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Sulbutiamine

Sulbutiamine is a synthetic, fat-soluble derivative of thiamine (vitamin B1), made of two modified thiamine molecules joined together.

Also listed as Arcalion, Enerion, Bisibuthiamine, Youvitan

What it is studied for

The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.

Focus And AttentionCognitionSmallCNo linked study
Brain FogCognitionSmallCNo linked study
MemoryCognitionSmallCNo linked study
Mood SupportStress & MoodSmallCNo linked study
Mental EnergyCognitionSmallCNo linked study
Every rating with its studiesGrouped by health goal, with the publications behind each rating

Why people take it

Energy25.1%
Cognition25.1%
Weight Management18.3%
Stress & Mood12%
Fitness10.3%
Essential Health5.7%

SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.

Sources

  1. SuppCo · Sulbutiamine nutrient profile