side effects of too much b12 injections Vitamin Effects: Risks Excess Intake can vitamin b12 injections be

The Role of B12 in Human Health Vitamin B12, also called cobalamin, is a water soluble vitamin found in animal products like meat, fish, dairy and eggs

On the other hand, some conditions require long-term or even lifelong supplementation

Here is a revised and more accurate explanation of the reasons a UK GP surgery might refuse to give a B12 injection a day earlier than scheduled, incorporating the points youve raised and providing a more scientifically grounded perspective: 1

High activity of NNMT is also correlated with lower levels of glucose transporter 4 (GLUT4), which is vital for glucose uptake from the bloodstream into fat and muscle cells

Individual ingredients include some vitamins, minerals, and amino acids that may be involved in fat metabolism