Allergic reactions are uncommon but require immediate medical attention
Always good to have a reason I have also had this happen when my folate was low , it may be worth you getting it checked I had self inject my B12 every 4 weeks for the last 20+ (cannot really remember how long accurately), and 2 months ago got a similar 'electric shock tingling' all over my body - head, face, arms, hands, legs, feet etc within a couple of minutes of injecting, which lasted about 3 seconds or so
It can be beneficial if you have a digestive condition, such as: irritable bowel syndrome (IBS) an inflammatory bowel disease like Crohns disease ulcerative colitis diverticulosis diverticulitis leaky gut or any of the issues associated with leaky gut (like joint pain, rosacea or any type of autoimmune response) Its worth noting that the man famous for discovering the Krebs cycle in the body (also known as the citric acid cycle) was the first person to recommend taking L-glutamine for gut-related issues
GHK-Cu Improves skin repair, boosts collagen, and stimulates hair growth
Enhanced absorption means you can take a more effective, lower dose
Skin flushing
