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Scar tissue from repeated injections in the exact same spot can reduce GHK-Cu absorption by creating a fibrous pocket that slows capillary uptake
Funding This paper was supported by the National Institute for Health and Care Research (NIHR) Leicester Biomedical Research Centre
While not a cure, supplementation may help slow disease processes and improve quality of life
The most effective GLP-1 drug for weight loss currently (as of early 2026) is tirzepatide, marketed under the names Zepbound (for weight loss) and Mounjaro (for diabetes)
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