Prevalence of obesity among adults and youth: United States, 2015-2016
Since vitamin B12 is primarily found in animal products, those who avoid meat, dairy, or eggs may develop low B12 levels over time
[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
Some people may experience mild side effects such as soreness, redness, swelling, or tenderness at the injection site
In the ageing population, the ability to absorb B12 often declines, which can affect energy levels and cognitive function