bpc 157 evidence animal studies human trials Heal or Harm: Body Protective Compound-157 in the Gray Zone Frontiers | Pharmacokinetics, distribution, metabolism,
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Sanchez, CMA/Lab Tech Allen K

This is the broader theme in Metos companion piece: peptides and GLP-1s are not inherently competitors

GHK-Cu is a naturally occurring tripeptide found in human plasma, saliva, and urine that, when complexed with copper, stimulates collagen production, accelerates wound healing, reduces inflammation, and supports skin and hair regeneration

This can feel more frustrating when you link it to something you believed was beneficial, such as a vitamin supplement