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Hunger can feel stronger again, and old eating habits may slowly come back

Improves Performance & Endurance

At a molecular weight of approximately 340 Da as the free tripeptide (see the GHK-Cu compound overview), it sits below the 500 Da threshold commonly associated with good dermal penetration a key reason GHK-Cu topical serum formulations achieve dermal absorption where many larger cosmetic peptides do not

Both ingredients show small benefits in some human clinical trials

Past research has shown a general alignment between GLP-1 usage and declining obesity rates across age groups, with the exception of those aged 65 and older, for whom the reported effectiveness of GLP-1 drugs is lower