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GHK-Cu provides essential support through optimization of collagen quality via TGF- pathway activation and copper delivery for lysyl oxidase-mediated cross-linking that determines tissue mechanical properties
Future trials should also measure important outcomes such as the clinical signs and symptoms of vitamin B 12 deficiency, health related-quality of life, socioeconomic effects, and report adverse events adequately, preferably in a primary care setting. Clinical practice guidelines British Columbia Medical Services Commission (MSC)
Older adults, as well as those with digestive issues or who are vegan or vegetarian, could struggle with B12 deficiencies
Others think it is a marketing gimmick
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