They bypass some of the digestive system and can work well for people with mild absorption issues
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
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
It helps convert food into energy by enabling the body to use fats and carbohydrates
acnes gene-expression pattern also changed, the researchers found
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