Nootropic & Cognitive · Other

Sulbutiamine

Provisional Moderate Scorecompound

Hermetica Superfood Encyclopedia

Published March 18, 2026Last updated March 18, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Sulbutiamine is a synthetic derivative of thiamine (vitamin B1) that crosses the blood-brain barrier more effectively than standard thiamine. It enhances cognitive function by increasing brain thiamine levels and modulating dopamine transmission in the prefrontal cortex.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryNootropic & Cognitive

GroupOther

Public Score StatusProvisional Moderate

Primary Keywordsulbutiamine benefits

Sulbutiamine close-up macro showing natural texture and detail — rich in nootropic, dopaminergic, thiamine derivative

Sulbutiamine — botanical close-up

Reported Benefits (Provisional)

Enhances cognitive function and mental clarity by increasing thiamine levels in the brain, which supports neurotransmitter synthesis. This process can improve memory recall by up to 30%. - Supports energy metabolism by optimizing glucose utilization, providing sustained mental energy. Efficient glucose metabolism is crucial for maintaining cognitive stamina. - Boosts mood and reduces fatigue by enhancing dopamine receptor sensitivity, leading to improved emotional resilience. Enhanced dopamine activity is linked to better mood regulation. - Promotes neuroprotection by reducing oxidative stress, which can prevent cognitive decline. Antioxidant properties help safeguard brain cells from damage. - Enhances focus and concentration by modulating cholinergic activity, which is critical for attention span. Improved cholinergic function supports sustained mental effort. - Supports immune health by boosting the body's natural defenses, aiding in overall wellness. A robust immune system is essential for maintaining cognitive health. - Reduces anxiety and enhances relaxation by modulating GABAergic activity, promoting a calm mind. Balanced GABA levels contribute to stress reduction and improved sleep quality.

Origin & History

Natural habitat

Sulbutiamine is a synthetic derivative of thiamine (vitamin B1), developed in Japan to enhance thiamine bioavailability. It is produced through chemical modification of the thiamine molecule.

“Developed in Japan to combat thiamine deficiency, Sulbutiamine has gained popularity as a nootropic supplement for cognitive enhancement.”Traditional Medicine

Research Narrative (Provisional)

Sulbutiamine has been studied in small human trials, showing potential benefits in cognitive enhancement and fatigue reduction.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- Synthetic derivative of vitamin B1 (thiamine). - Increases thiamine levels in the brain, supporting cognitive function. - Contains no calories or macronutrients.

Reported Mechanism (Provisional)

Mechanism of Action

Sulbutiamine crosses the blood-brain barrier and is converted to thiamine by thiaminase enzymes, increasing brain thiamine phosphate levels. It modulates dopaminergic transmission in the prefrontal cortex and enhances cholinergic activity. The compound also supports pyruvate dehydrogenase complex activity, improving glucose metabolism in neural tissues.

Clinical Narrative (Provisional)

Small-scale human studies suggest sulbutiamine may improve memory performance and reduce mental fatigue, with some trials showing 15-30% improvements in cognitive tasks. Most research involves small sample sizes (20-60 participants) over 4-8 week periods. Animal studies demonstrate enhanced spatial memory and increased dopamine receptor density, but human evidence remains limited. Long-term safety and efficacy data are lacking due to insufficient large-scale clinical trials.

Also Known As

N-(4-amino-2-methylpyrimidine-5-ylmethyl)-N-[4-hydroxy-2-methyl-5-(4-amino-2-methylpyrimidine-5-ylmethyl)aminomethylpyrimidine-5-ylmethyl]formamideArcalionBisibuthiamineEnerionYouvitanSynthetic Thiamine DerivativeFat-Soluble Vitamin B1

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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