needs to be released from proteins during digestion. If the stomach does not produce enough acid, the body does not absorb B12 from food very well, but it can still easily absorb the B12 in an oral supplement. For some people, taking B12 as a muscle injection is necessary.
There are a number of nutrients that are important when it comes to reducing anxiety levels in particular the B vitamins. Vitamin B5 supports the adrenal glands, which reduces stress and anxiety levels. Vitamin B9 (also known as folate or folic acid) and vitamin B12 are important in balancing out depressive moods.