Unlike the research peptides most people associate with performance enhancement, Thymosin Alpha-1 has actually received regulatory approval in some countries for specific medical indications
Cancer 4 , 14911507 (2023)
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It is important not to self-treat with high-dose B12 supplements before seeing your GP if you suspect deficiency, as this can interfere with diagnostic blood tests and potentially mask underlying conditions such as pernicious anaemia
12, 6045 (2017).CrossRefGoogle ScholarPubMed Liu, T., Li, L., Teng, X., Huang, X., Liu, H., Chen, D., Ren, J., He, J., and Tang, F.: Single and repeated dose toxicity of mesoporous hollow silica nanoparticles in intravenously exposed mice