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GHK-Cu and Active Radicals Photodamage of tissues such as the skin involves the formation of reactive oxygen species (ROS), reactive nitrogen species (RNS), and reactive carbonyl species (RCS), which may induce damage to proteins, DNA, and lipids
(New England Journal of Medicine) Most fat loss peptides do not have comparable outcome evidence
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Basdevant, Nutritional deficiency after gastric bypass: diagnosis, prevention and treatment, Diabetes & Metabolism, Volume 33, Issue 1, February 2007, Pages 13-24, ISSN 1262-3636, Eussen SM, de Groot LM, Clarke R, et al