bpc-157 human clinical trial Regeneration or Risk? A Narrative Review of for Musculoskeletal Healing BPC-157 | Reviews, Clinical Trials,
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2007 reported that GHK-Cu stimulated dermal papilla cell proliferation by up to 70% in vitro and was associated with an extended anagen phase in their model

This is partly why some guys running harsh oral compounds stack BPC for gut support
Therap Adv Endocrinol Metab , 2013 includes clinical trial summary for AOD 9604

Cardiovascular Disease and Stroke Risk Despite the reduction in homocysteine levels, the combined supplementation of Vitamin B6 and B12 does not significantly impact the incidence of cardiovascular disease events or myocardial infarction