However, starting in late 2023, the FDA changed its enforcement stance and restricted many commonly used peptides, including BPC-157 and TB-500

Famously known as the beauty peptide GHK-CU (Copper peptide) can have the following benefits: Skin & Anti-Aging Stimulates collagen, elastin, and glycosaminoglycan production Improves skin firmness, thickness, and elasticity Reduces appearance of fine lines and wrinkles Enhances wound healing and skin regeneration Helps normalize skin inflammation and redness Hair Growth & Scalp Health Encourages hair follicle growth and enlargement May reduce hair shedding Improves scalp blood flow and follicle health Often used in hair serums and scalp treatments Tissue Repair & Healing Accelerates wound healing Supports muscle, tendon, and ligament repair Promotes angiogenesis (formation of new blood vessels) Useful in recovery from injuries or procedures Neuroprotective & Brain Support Shown in studies to support nerve regeneration May help protect neurons from oxidative damage Investigated for roles in brain repair and cognitive aging Anti-Inflammatory & Antioxidant Effects Reduces inflammatory cytokines Acts as a powerful antioxidant Helps regulate genes involved in tissue breakdown vs repair Gene Modulation (Unique Benefit) GHK-Cu has been shown to: Turn on genes associated with healing and regeneration Turn off genes linked to inflammation, fibrosis, and tissue degradation This gene-level regulation is one of its most unique properties

Plasma glutathione S -transferase pi 11 AND alpha 11 levels in patients with bladder cancer
In parallel, a study especially investigating the TNBC pathogenicity reported that GSTP1 is a critical metabolic driver in breast cancer cells undergoing EMT, with heightened aggressiveness and poor prognosis alongside increased proliferation and migration (Louie et al