This is especially true for those who are severely deficient
"The promoting effect of pentadecapeptide BPC 157 on tendon healing involves tendon outgrowth, cell survival, and cell migration." Journal of Applied Physiology, 2011;110(3):774-780
Use the conservative rule: reconstitute only what is needed, refrigerate at 2-8 C, protect from light, label the date, and discard around 28 days or sooner if the solution changes appearance or sterility is compromised
The practical result can include temporary increased fine lines, mild sagging, or a "tired" appearance
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The interest in tendon recovery is backed by preclinical work such as this study examining how BPC-157 influences tendon fibroblast healing and growth factor expression in injured connective tissue