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GHK-Cu (Copper Tripeptide-1) GHK-Cu (Copper Tripeptide-1) is a naturally occurring copper-binding tripeptide complex composed of glycine, histidine, lysine, and copper ions (Cu)
Sources: Institute of Medicine, Food and Nutrition Board, National Academies of Science, Dietary Reference Intakes (DRI): Recommended Dietary Allowances and Adequate Intakes , USA 2018, Mustafa Vakur Bor, Kristina M von Castel-Roberts, Gail PA Kauwell, Sally P Stabler, Robert H Allen, David R Maneval, Lynn B Bailey Ebba Nexo Daily intake of 4 to 7 g dietary vitamin B-12 is associated with steady concentrations of vitamin B-12related biomarkers in a healthy young population Am J Clin Nutr 2010 91: 3 571-577
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Missing it causes an automatic denial on the J3420 line
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