Other effects require reporting to a medical team as soon as possible, including: An allergic reaction, including rashes, itching, hives, and a swollen face, tongue, throat, or lips High blood sugar symptoms Other liver damage symptoms, including pain in the upper-right abdomen, appetite loss, dark yellow urine, a yellow tint in the skin or eyes known as jaundice, and feeling unusually weak or tired Tingly, numb, or painful feet Following a balanced diet means that most people are unlikely to develop a B vitamin deficiency
Methionine assists in the breakdown of fats, helping to prevent fatty deposits in blood vessels, which can lead to coronary artery disease and blockages in the neck and legs
Recent findings in aged animal models indicate that NNMT blockade, including through compounds such as 5-amino-1MQ, may also stimulate muscle stem cell activity
If you are self-supplementing with high-dose B12 without medical indication, discuss this with your GP