When you bypass the stomach or put a band around the stomach, or any of these various surgical procedures to reduce weight, you diminish the capacity to absorb B12, says Green
NMN (nicotinamide mononucleotide) serves as a direct precursor to NAD+, meaning the body converts it into NAD+ through natural metabolic pathways
It helps convert food into energy by enabling the body to use fats and carbohydrates
Polycythaemia Vera: Treatment with B12 can mask the diagnosis of this blood disorder, so careful monitoring is necessary if B12 is started before a complete diagnosis
Untreated vitamin B12 deficiencies can lead to neurological issues or pernicious anemia which can occur when your body does not have enough vitamin B12 to produce the amount of red blood cells it needs
According to the USDA, Vitamin B12 deficiency is believed to be one of the most common nutrient deficiencies in the world, especially among people taking stomach acid-altering medications and antibiotics frequently, along with the elderly and sometimes vegetarians/vegans