Sulbutiamine Thiamine Disulfide Butyrate by Ray Sahelian, M.D.
Feb 22 2014

Sulbutiamine is a centrally acting cholinergic vitamin B analogue and some call it a nootropic vitamin. One study shows sulbutiamine improve memory in rats. At this time I prefer using a combination of several B vitamins rather than relying on one vitamin B analogue. Even better is to take a multivitamin that has a combination of the B vitamins along with a couple of dozen vitamins and nutrients. In most cases I think it is better to take a small amount of a number of different nutrients as opposed to a large amount of just one. Consider a very popular product that I have formulated called MultiVit-Rx.

Sulbutiamine and memory
Chronic treatment with sulbutiamine improves memory in an object recognition task and reduces some amnesic effects of dizocilpine in a spatial delayed-non-match-to-sample task.
Prog Neuropsychopharmacol Biol Psychiatry. 2005. Key-Obs S.A., Centre d'Innovation, 16 rue Leonard de Vinci, 45074 Orleans Cedex 2, France.
The effect of a sulbutiamine chronic treatment on memory was studied in rats with a spatial delayed-non-match-to-sample task in a radial maze and a two trial object recognition task. After completion of training task, animals were subjected for 9 weeks to daily injections of either saline or sulbutiamine (12.5 or 25 mg/kg). Sulbutiamine did not modify memory in the DNMTS task but improved it in the object recognition task. Dizocilpine, impaired both acquisition and retention of the DNMTS task in the saline-treated group, but not in the two sulbutiamine -treated groups, suggesting that sulbutiamine may counteract the amnesia induced by a blockade of the N-methyl-D-aspartate glutamate receptors. Taken together, these results are in favor of a beneficial effect of sulbutiamine on working and episodic memory.

Sulbutiamine, an 'innocent' over the counter drug, interferes with therapeutic outcome of bipolar disorder.
World J Biol Psychiatry. 2006. Department of General Hospital Psychiatry, Athens University Medical School, Attikon Hospital, Greece.
A case of a patient with bipolar disorder with a history of hospitalizations and addiction to sulbutiamine is presented. Sulbutiamine is a precursor of thiamine that crosses the blood-brain barrier and is widely available without prescription in most countries or over the internet. Because of this patient's need to consume ever increasing quantities of sulbutiamine, his psychiatric care was severely compromised through him defaulting appointments and frequent changes of psychiatrists. This paper reviews the current scientific knowledge about sulbutiamine, and some of the information and claims available on the web about its use and potential. It is argued that doctors need to be aware of the potential misuse of medication available over the counter or on the internet and its potential harmful influence.

Biol Pharm Bull. 2011. Evidence for neuroprotective effect of sulbutiamine against oxygen-glucose deprivation in rat hippocampal CA1 pyramidal neurons. Hippocampus is one of the earliest brain regions that gets affected by ischemia, however, no pharmacological therapy exists yet that can fully counteract the ischemic damage. Here we study the effect of sulbutiamine, a synthetic thiamine analogue that can cross the blood-brain barrier easily, on hippocampal neurons under an in vitro model of ischemia, oxygen-glucose deprivation (OGD). We find that exposure to OGD in the presence of sulbutiamine significantly increases neuronal viability and enhances electrophysiological properties such as excitatory synaptic transmissions and intrinsic neuronal membrane input resistance in a concentration-dependent manner. Overall, here we report, for the first time, the neuroprotective evidence of sulbutiamine on hippocampal CA1 pyramidal neurons under OGD, which may have beneficial implications as a possible therapeutic agent/substance against ischemic insult.

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Silbutramine supplement use is able to help me focus better and I noticed a deeper concentration.