Vitamin B12: fact sheet for health professionals
The right frequency depends on your individual needs, deficiency status, and treatment goals
Vitamin B12 (Cobalamin) What it is An essential vitamin that plays a key role in red blood cell production, nerve health, and energy metabolism
[44] [41] Vitamin B 12 is not one of the supplements recommended by the World Health Organization for healthy women who are pregnant, [14] however, vitamin B 12 is often suggested during pregnancy in a multivitamin along with folic acid [45] [46] especially for pregnant mothers who follow a vegetarian or vegan diet
A 2026 retrospective population study of 84 million B12 measurements showed a 32 % increase in B12 deficiency-linked hospitalizations from 2016 to 2023
This fragment is designed to stimulate lipolysis (fat breakdown) and inhibit lipogenesis (fat formation) without elevating IGF-1 or affecting glucose metabolism