the thymosin alpha-1 dossier

the complete file: a real hepatitis B drug abroad, sold as an immune booster everywhere else.

the short answer

a genuine approved-abroad drug: 35+ countries, real human RCTs, a clean decades-long safety record
proven narrow (hepatitis B adjunct); the big modern trials of its broader claims came back null
cleared in sport, sold in 35 countries as a hepatitis B adjunct, and marketed here for something else entirely

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reptides grades the research record and cites the literature behind every call. research reference only; not medical advice.