GHK-Cu has been shown to increase the production of extracellular matrix proteins, aiding in the regeneration of damaged tissues
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There are practical reasons too: B can be unstable if mixed with certain other vitamins in solution, and dosing schedules for B deficiency (pernicious anemia, for instance) may differ
Serrano LM, Molenaar D, Wels M, Teusink B, Bron P, de Vos W, Smid E: Thioredoxin reductase is a key factor in the oxidative stress response of Lactobacillus plantarum WCFS1
Sources Jastreboff AM, Kaplan LM, Fras JP, et al
Over 8,000 patients treated What Is GHK-Cu Cream