Vitamin B12 primarily comes from animal-based products, which makes those who follow vegetarian and vegan diets more likely to develop vitamin deficiency
Human dose recommendations in non-peer-reviewed sources are extrapolated from animal data or empirical observations and lack pharmacokinetic or pharmacodynamic validation
When we say HPA axis dysregulation, we're acknowledging that there are complex interactions and feedback mechanisms involved in someone's stress response that depend upon communication between the hypothalamus, pituitary gland, and adrenal glands, rather than suggesting that the adrenal glands are solely to blame
Some of the key roles of B12 in your body include: Helping in the normal functioning of the nervous system Playing a vital role in DNA synthesis B12 is among the vitamins needed in the breakdown of amino acids and fatty acids Helps in the creation and maturation of red blood cells (hemoglobin) in the bone marrow Supports the production of digestive enzymes and the delivery of essential nutrients to and from cells Its vital to the development of a fetus in pregnant women Vitamin B12 deficiency can cause different symptoms, such as fatigue, anemia, headaches, pale skin, vision problems, mouth/tongue sores, weakness, and changes in cognitive functioning