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In a 2024 review of three peptides, the FDA noted side effects like increased heart rate, chest tightening, headache, nausea, diarrhea, and elevated liver enzymes, as well as skin irritation and pain at the injection site
Inhibitors of glutathione S-transferases as investigational agents [PMID: 10837536] Laboratory literature summary: Inhibitors of glutathione S-transferases as investigational agents
No formulation required: Unlike the GHK-Cu vial (which requires reconstitution and incorporation into a topical vehicle), the spray is pre-formulated and ready to apply
Dose: 1 Tablespoon in water on empty stomach first thing in the morning (can eat/ drink 10 mins later)
Practice point: Promising therapy but not yet ready for standard care
