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BPC-157 appears to be an exception in animal studies: it retains biological activity when administered intragastrically in rats and mice, including in colitis and ulcer models

BPC-157 has been discussed by the FDA in the context of bulk drug substances that may present significant safety risks, and TB-500 is generally promoted in research-peptide settings rather than as an FDA-approved therapeutic product

Deficiency typically presents as unexplained fatigue, numbness or tingling, and macrocytic anemia

Clean hands

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