Key Takeaways IGF-1 LR3 is an 83-amino-acid synthetic analog
All listed suppliers in this dataset are based in China

Gut and GI Protection BPC-157 BPC-157 is derived from gastric juice proteins and has extensive preclinical data showing gastroprotective effects, ulcer healing, and intestinal barrier repair Skin Anti-Aging GHK-Cu GHK-Cu stimulates collagen and elastin synthesis, is commercially available in topical formulations, and has human data supporting skin improvement Tendon and Ligament Repair BPC-157 BPC-157 shows strong preclinical evidence for accelerating tendon-to-bone healing, ligament repair, and muscle injury recovery Hair Growth Stimulation GHK-Cu GHK-Cu has demonstrated ability to stimulate hair follicle growth and increase hair follicle size in research studies Broad Tissue Protection BPC-157 BPC-157 demonstrates protective effects across liver, brain, heart, and gut tissues in preclinical models, offering wider systemic coverage Wound Healing (Topical) GHK-Cu GHK-Cu can be applied topically for wound healing, making it more practical for surface-level tissue repair without injection Continue Your Research Get comparison updates We publish new head-to-head comparisons regularly

10.1155/2017/9747256 Biomed Res Int
They kind of hit a bunch of articles and give you an update on what they found, but very general, very vague