People report a decrease in their appetite, an increase in their metabolism, a loss of inches and/or pounds, more energy, and other benefits
References Chang, C.H., Tsai, W.C., Lin, M.S., Hsu, Y.H., & Pang, J.H
If glutathione cannot be recycled, the body becomes overloaded with toxins, leading to an imbalance
The choice between them comes down to a specific question: does your research need the GHK-Cu gene-expression and collagen-synthesis mechanism added to the BPC-157 + TB-500 base

Studies have shown that BPC-157 [8]: Modulates GABA receptor function Influences dopaminergic system activity Affects serotonergic pathways May help normalize neurotransmitter imbalances caused by various toxins These effects contribute to BPC-157's observed: Anxiolytic (anti-anxiety) properties in animal models Protection against dopaminergic neurotoxins Potential applications in alcohol withdrawal and drug-induced neurological damage Gut motility regulation Angiogenesis Promotion Beyond VEGF upregulation, BPC-157 promotes angiogenesis through multiple coordinated mechanisms [9]: Direct stimulation of endothelial cell proliferation Enhanced endothelial cell migration Improved capillary tube formation Blood vessel maturation and stabilization Collateral vessel development around blocked arteries This robust angiogenic effect helps explain why BPC-157 appears effective for tissues with naturally poor blood supply (tendons, ligaments, cartilage) and why it may support recovery from ischemic injuries

Common GHK-Cu cycles : Standard cycle: 30 days on, 14 days off - repeat 23 cycles for skin goals Intensive cycle: 8 weeks on, 4 weeks off - preferred for hair and long healing protocols Maintenance cycle: 35 injections per week, 8 weeks on, 4 weeks off , indefinitely A 30-on / 14-off cycle means you're only using product about 68 % of the year - meaningful savings with no loss of results in our experience