For overall skin antiaging, firmness, and repair, GHK-Cu is generally considered the gold standard because its better researched and consistently improves collagen, wound healing, and visible skin quality
Folic acid can decrease the effectiveness of some medications, including phenytoin for epilepsy or methotrexate for cancer treatment
Vitamin B12 injections are typically administered by a healthcare professional (doctor, nurse) into a muscle (intramuscularly)
Researchers who have tried GHK-Cu for hair without satisfactory results sometimes switch to AHK-Cu
Additionally, B12 shots promote better sleep, and healthier skin, and nails, helping you look as good as you feel
By inhibiting NNMT, 5-Amino-1MQ appears to improve how the body handles glucose