While B12 can be obtained through dietary sources, some individuals may suffer from deficiency due to difficulty absorbing the vitamin properly
10.1016/j.bbr.2014.07.027 Behav Brain Res
Another major advantage of GHK-Cu it is compatible with most skin types, including sensitive skin
To name just a few: fatigue, breathlessness, dizziness, diarrhoea, dementia, depression, tachycardia, swollen and sore joints, blurred vision, pain and numbness (or burning) in hands and feet, sore muscles, sore tongue, inability to walk (later)
Some patients experience palpitations, a fluttering sensation in the chest, or feelings of nervousness and shakiness
The trick isnt finding special protein, its giving your body enough of the normal kind , at the right times, and letting it do its job