GHK-Cu stands for Glycyl-L-Histidyl-L-Lysine-Copper
Most users either report no side effects or mild, short-lived ones such as nasal irritation, runny or stuffy nose, sneezing, or a slight metallic taste
When starting Vitamin B12 therapy, its not unusual for individuals to grapple with questions like, Feeling worse after my B12 injection, is that natural? This period, often termed as a healing crisis, can manifest through symptoms such as: Enhanced feelings of fatigue, tiredness, and increased sleep requirements Sensations akin to mild flu-like symptoms or body aches Experiences of headaches, nausea, or feelings of being lightheaded A foggy mind and challenges with concentration Mood fluctuations including irritability, anxiety, or a subdued mood Alterations in appetite and digestive patterns Contrary to being seen as an adverse reaction, these symptoms are essentially indicative of the body acknowledging and adapting to the surge of B12
see our full TB-500 dosage guide for the companion protocol
By comparison, those who made lifestyle changes alone lost only about 2.4% of their weight [3]