In a separate head-to-head comparison, GHK-Cu outperformed both retinol (vitamin A) and vitamin C in improving skin firmness and elasticity, and it did so without the irritation, photosensitivity, or adjustment period associated with retinoid use
It is especially important for people with a vitamin B12 deficiency, helping them quickly raise their B12 levels to normal levels
This can happen if you suffer from various gastrointestinal issues including celiac disease, Crohns disease, cancer, damage to your digestive tract, or an infection
B12 Intravenoso: Applications in Acute Settings In urgent situations, like being in the hospital for a severe B12 deficiency or after some surgeries, IV B12 is very helpful
Injection Technique General subcutaneous guidance from clinical best-practice resources