GHK is hydrophilic (water-loving), small, and carries a charge at physiological pH
Brandenberger, G., et al
However, if you are taking a GLP-1 medication and experience symptoms such as abdominal pain or discomfort, it's important to speak to your doctor
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10.1016/S0021-9258(19)50663-9 Summary Keywords ketosis, medium-chain fatty acids, medium-chain triglycerides, cardiometabolic health, neuroprotection, procognitive activity, caprylic acid (C8), capric acid (C10) Citation Shcherbakova K, Schwarz A, Apryatin S, Karpenko M and Trofimov A (2022) Supplementation of Regular Diet With Medium-Chain Triglycerides for Procognitive Effects: A Narrative Review
Looking at the synthesis of carnitine it requires two amino acids lysine & methionine and three vitamins, ascorbate, niacin and vitamin B6 and a metal ion (reduce iron)