Overview
Lipid-soluble thiamine derivative crossing the BBB for fatigue and focus.
- Manufactured pharmaceutical-grade compound
- Standardized botanical extract (for plant-derived nootropics)
- Stack formulations combined with cholinergic or adaptogenic ingredients
- Capsule
- Powder for stacking
- Sublingual tablet
- Liposomal liquid
Mechanism of action
Increases central thiamine levels; modulates dopaminergic and glutamatergic transmission in prefrontal cortex.
- · Increases central thiamine levels
- · modulates dopaminergic
- · glutamatergic transmission in prefrontal cortex
Effects on the body
Organ system effects
Sulbutiamine acts on central nervous system targets implicated in attention, memory, and neuroprotection.
Sulbutiamine supports mitochondrial ATP production and fatigue resistance.
Evidence-based benefits
Reduces psychogenic asthenia
Moderate evidencePotential side effects
- · Headache
- · Mild agitation
- · Mood swings with chronic use
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Pregnant or breastfeeding (insufficient safety data)
- ·Children under 18 (unless directed by a clinician)
Supplement interactions
- Omega-3 (EPA/DHA)Membrane fluidity and neuronal signaling support.
- Alpha-GPC or CDP-cholineProvides choline substrate for acetylcholine synthesis.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Third-party testedIndependently verified Sulbutiamine — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Sulbutiamine third party tested NSF
CapsulesPre-measured Sulbutiamine capsules — easiest for travel and consistent daily dosing without scoops or scales.Sulbutiamine capsules
PowderBulk unflavored Sulbutiamine powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Sulbutiamine powder unflavored
Best sellersMost-purchased Sulbutiamine products on Amazon — a quick way to see what's reviewed widely before you commit.Sulbutiamine best sellerScientific evidence8Show studiesHide studies
Sulbutiamine in asthenia
Tiev KP, et al.
DB-RCT of 326 patients with chronic functional asthenia.
Significant improvement vs placebo on asthenia scale at 4 weeks.
PubMed: Sulbutiamine — Reduces psychogenic asthenia
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PubMed: Sulbutiamine — dose response
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Google Scholar: Sulbutiamine — clinical evidence
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