where is the best place to self inject b12 How Vitamin Best Vitamin B12 Injection Sites

At the enzyme level, 5-Amino-1MQ inhibits NNMTs methylation of nicotinamide reducing intracellular 1-MNA levels and diverting nicotinamide back into the NAD+ salvage pathway (via NAMPT-mediated conversion to NMN and subsequently NAD+)

Based off my experience, and my experience alone, I can say it works (as long as you also work of course)

or if one is undergoing bone marrow treatment

B12 is an essential nutrient, and its deficiency is common, especially among individuals following restricted diets like vegetarianism or veganism, pregnant or breastfeeding women, older adults, those who have undergone gastrointestinal surgery or have gastrointestinal disorders, and people with an autoimmune condition known as pernicious anaemia