(Graphic: GHK-Cu tripeptide structure Glycyl-L-histidyl-L-lysine copper complex) Collagen & elastin synthesis Stimulates fibroblast activity and copper-dependent lysyl oxidase, which cross-links the collagen and elastin fibers responsible for skin firmness and elasticity Antioxidant defense Neutralizes reactive oxygen species generated by UV exposure and environmental stress
Store lyophilized (powder) retatrutide at -20 degrees Celsius in a freezer
In todays dietitian blog, Ill explain what GLP-1 is, how it works, how it differs from GLP-1 medications like Ozempic, and most importantly, the evidence-based nutrition strategies for how to increase GLP-1 naturally
By Donna Monthei, RDN, LD | Originally Published: July 10, 202 5 | Medically Reviewed on June 19, 2026 If youre taking Ozempic (semaglutide), Wegovy (semaglutide), Mounjaro (tirzepatide), or Zepbound (tirzepatide) for weight loss or diabetes management, congratulationsyouve joined millions of people experiencing remarkable metabolic improvements