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USA 90 (17), 79157922 (1993)

Cyanide for cyanocobalamin, a methyl group for methylcobalamin, a hydroxyl group for hydroxocobalamin, and an adenosyl group for adenosylcobalamin

[DOI] [PubMed] [Google Scholar] Nafisi M., Goregaoker S., Botanga C.J., Glawischnlg E., Olsen C.E., Halkier B.A., Glazebrook J

(2011) The role of beta-arrestin2 in the severity of antinociceptive tolerance and physical dependence induced by different opioid pain therapeutics

The symptoms may include fatigue, nerve pain (shingles, herpes), sleep disturbances, moodiness, cognitive decline, and tremors

GHK-Cu is naturally blue, so compare against the expected appearance for the specific product. References Wang W