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Do I need a prescription for BPC-157 or TB-500

Copper Chelation and Delivery At the most fundamental level, GHK functions as a copper chelator and delivery system - the tripeptide binds Cu with exceptionally high affinity (binding constant approximately 10 M, among the highest known for biological copper chelators), forming a square planar coordination complex where the copper ion is coordinated by the nitrogen atoms of the terminal amino group, the two peptide bonds, and the imidazole nitrogen of histidine

BPC-157 is a signaling peptide, not a steroid: It works by upregulating VEGF to grow new capillaries, activating growth hormone receptors in tendon and ligament tissue, and promoting collagen synthesis

Previously, we showed this for the left ovarian vein (i.e., inferior caval vein syndrome (Vukojevic et al., 2018)), the inferior mesenteric vein in the portocaval shunt (Strbe et al., 2021)