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Alliance 5 , e202201663 (2022)
Deficiency in vitamin B12 may cause anemia, fatigue, muscle weakness, intestinal problems, nerve damage, and mood disturbances
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GHK-Cu, or glycyl-L-histidyl-L-lysine copper, is a naturally occurring tripeptide first found in human plasma
FASEB journal : official publication of the Federation of American Societies for Experimental Biology , 34 (2), 32893304