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Nausea, vomiting, diarrhea, stomach pain, and constipation, especially in the first weeks as your body adjusts
The most widely used ones right now are semaglutide (sold as Ozempic for diabetes management and Wegovy for weight loss) and tirzepatide, which targets both GLP-1 and a second hormone called GIP (Mounjaro for diabetes, Zepbound for weight loss)
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Nutrients delivered straight into your bloodstream for immediate absorption
Freezing is even worse because ice crystals physically damage the peptide structure, causing irreversible denaturation
Technically, yes, you can separate GHK and copper in a lab, but it's not really practical or useful
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