Some researchers use both, with GHK-Cu providing broader regenerative effects and AHK-Cu targeting hair specifically
They are also used to boost energy levels, improve mood, and promote healthy skin, hair, and nails
For instance, patients with inflammatory bowel disease, such as Crohns disease, or those with celiac disease , may have trouble absorbing vitamin B12 due to gut damage
People who lack an adequate level of B12 often experience: Fatigue Decreased appetite, Constipation, Numbness or tingling in the arms and legs Difficulty maintaining balance Shortness of breath
These injections are commonly used as part of a broader health plan that may include nutrition support, lifestyle changes, weight management, hormone optimization, or general wellness care
If you develop persistent nodules or hard areas under the skin, you may be injecting too superficially or too deeply