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A peptide is a chain of amino acids held together by peptide bonds, and those bonds are precisely what digestive enzymes (pepsin, trypsin) are built to cut, with the acidic stomach environment finishing the job so an oral peptide is largely destroyed before it can be absorbed, which is why injection is the default
These early changes are subtle and easily attributed to placebo effect
What is GHK-CU
Storage: Keep tightly closed, dry, protected from light and heat
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