Similar to the BPC 157 effect on sphincters function, BPC 157 exhibited a particular anti-reflux effect in healthy (i.e., increase of pressure within lower esophageal sphincter, decrease of pressure within pyloric sphincter), while also rescuing sphincters failure (i.e., decreased pressure) in esophagitis rats (increase toward the normal values) (31, 32)
Now there are folks within the landscape of peptide therapeutics, folks meaning physicians and other practitioners, who said, ah, well, here's a peptide that is known to promote all these hormone pathways that are associated with vitality, libido, et cetera
GHK-Cu and retinoids like tretinoin are both powerful actives, but using them together at the same time can cause skin irritation or reduce their effectiveness
1992
However, repeated contractions and dilations of myofibers will unavoidably cause injuries and broken myofibers