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[10] Although it has been suggested that binding of the reduced coenzyme at this site inhibits the reaction, while oxidized coenzyme binding causes activation, the effect is still unclear

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This explains why BPC-157 for injury recovery is effective for athletes, surgery patients, and people with chronic injuries

Schrag, A., Jahanshahi, M

doi: 10.1016/s0898-6568(99)00071-6

Extra care should be taken to maintain sterility