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PMCID: PMC6621984

Myostatin inhibitors also present a grey area

This is the single most important caveat for any reader of the bpc-157 research literature

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The best BPC-157 capsules are those with third-party HPLC-confirmed purity above 98%, a mass-spec-verified molecular weight matched to the stated salt or free acid form, a dose of 250 to 500 mcg per capsule from a named manufacturer, and cold-chain storage

Eliminating the clashes and creating hydrogen bonds or hydrophobic interactions between the protein and the substrate reduced the total energy, Pultz said