GHK-Cu is generally well tolerated, but some people notice mild redness, tingling, or irritation, particularly at higher concentrations
Most skincare formulations contain the more stable and active version of the peptide, known as GHK-Cu
Signs of a B12 deficiency include: pain tingling difficulty walking uncontrollable muscle movements confusion, forgetfulness, or memory loss changes in mental state or mood changes in smell or taste vision problems diarrhea weight loss glossitis, aka a painful, smooth, and red tongue If you have any of the above symptoms, talk with a doc
It is an extremolyte , a small stress-protection molecule that protects microorganisms living under extreme conditions such as salt lakes, hot springs, arctic ice, the deep sea, or deserts