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GHK-Cu delivers copper for enzymatic activity Advantages Good cosmetic efficacy data, lipophilic for skin penetration Disadvantages Different mechanism, no copper delivery Peptides Related to GHK-Cu# GHK-Cu occupies a distinctive niche among healing and regenerative peptides due to its dual nature as both a signaling molecule and a copper delivery vehicle

This is especially beneficial for individuals who have difficulty absorbing B12 through food or traditional supplements

This is an important safety distinction

Given she is on b12 shots her b12 serum level is pretty low

The level of vitamin B12 in the body can be measured by a blood test

This method may help support nerve function more effectively, particularly where deficiency or functional low levels are suspected