Researchers have observed that NNMT activity may be associated with: obesity insulin resistance adipose tissue metabolism energy balance However: the relationship is complex and not completely understood
For example, if your deficiency is caused by medication, stomach problems, or something else, your provider will adjust your dosage appropriately
If you let it go for too long, it can cause problems in your nervous system such as: Vision problems Memory loss A pricking or numbing sensation Difficulty speaking or walking due to ataxia (loss of physical coordination) Damage to your extremities (hands, feet, arms, etc.), particularly your legs Other problems could include Infertility (this should go away with B12 treatment) Stomach cancer Bleeding and infections Damage your heart, brain, bones, and other organs in your body If you're pregnant and don't get enough vitamin B12, your baby is at risk of a serious birth defect called a neural tube defect
The amount of vitamin B12 your body needs depends on your age