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Technically it is a peptidomimetic : its extremities are non-peptide hexanoic chains
Key Considerations Before Starting an MK-677 Cycle MK-677 has a long half-life (~24 hours) , so it maintains stable blood levels even with once-daily dosing
As such, having inadequate B12 levels can decrease normal red blood cell production, which can impair oxygen delivery ( Specifically, a deficiency in B12 can cause megaloblastic anemia
Some patients need weekly injections at first, then switch to monthly maintenance based on lab levels and symptoms
While this effect has been primarily observed in the GI tract, there is evidence for similar benefit in cardiovascular, neurological, and muscle tissues, suggesting that BPC-157 may be used as both a therapy in the setting of stroke and heart attack as well as a probative peptide for understanding how to promote healing following ischemic injury [5], [6]