no LD50 established even at very high doses in rodents No Hormonal Effects: Does not affect testosterone, estrogen, growth hormone, or other hormonal axes Gastric Origin: Derived from a naturally occurring human gastric protein, suggesting good biological compatibility Stability: Unusually stable in gastric acid, supporting oral administration potential Reported Effects: Anecdotal reports of fatigue, nausea in some research subjects TB-500 Safety Profile: (PMID: 20536472) Note: Published safety data is primarily available for Thymosin Beta-4
It is also in the process of being investigated for a variety of other purposes
thymosin beta-4 (1723) fragment Sequence: Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln (Ac-LKKTETQ)
Digestive conditions like Crohn's disease and celiac disease create similar absorption problems
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