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Since its identification, GHK-Cu has been of interest to researchers studying peptide signaling , trace mineral transport , and cellular communication pathways in controlled laboratory environments
Direct administered-human evidence is limited and does not establish longevity or sleep-treatment benefits
This is especially important for people with digestive issues who may not be able to absorb oral supplements well at all
A doctor should be consulted before switching medications
1 in 10 people aged 75+ and 1 in 20 between 65 and 74 are deficient in vitamin B12
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