Good sources of vitamin B-12 include: red meat fish poultry eggs dairy products clams beef liver Foods that may be fortified with B-12 include: nutritional yeast, which are cheesy-tasting vegetarian flakes cereal bread tofu Be sure to read nutrition labels carefully
Vitamin B12 sits alongside vitamin D and iron as one of the three deficiencies I check most consistently in Indian women presenting with unexplained fatigue, mood changes, or tingling
Food and Drug Administration (FDA)
this seems to be the real deal but it is very costly Has helped curb sugar cravings and has given me good energy
In addition to treating a B-12 deficiency or maintaining healthy B-12 levels, supplementing daily with vitamin B-12 (100 mcg to 500 mcg) and, possibly, folic acid (400 mcg), may help slow age-related declines in memory and cognition if you're not already getting enough vitamin B-12 from your diet or not able to extract it from foods a common problem in older people (Ueno, Nutrients 2022