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Chemical structures of choline and derivatives The figure shows the chemical structures of choline, acetylcholine, betaine (trimethylglycine), glycerophosphorylcholine, sphingomyelin, and phosphatidylcholine

GHK-Cu (glycyl-l-histidyl-l-lysine copper) is a peptide composed of three amino acids: glycine, histidine, and lysine

FIGURE 1 GPI anchoring modules transport Glutathione S-transferase to the cell membrane efficiently We transfected Lenti-X 293T cells with plasmids expressing each GST tag to compare their ability in membrane translocation

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BPC-157 is not FDA-approved , and its use may be considered off-label