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Description
The substance itself is not stored in the body, and the rate of its synthesis is proportional to the rate of its release into the bloodstream. MELATONIN SYNTHESIS In the body, melatonin synthesis occurs thanks to the action of its precursor, which is tryptophan taken from the blood

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Serious Side Effects: Hypersensitivity or anaphylaxis (extremely rare), bronchospasm

GHK-Cu can enhance skin elasticity, stimulate collagen production, and even tighten loose skin
