This product from Nordic Naturals provides 250 mcg of vitamin B12 in each capsule, along with an assortment of other essential B vitamins like niacin, folate, and biotin. Opting for a B complex ...

The recommended dietary intake (RDI) of vitamin B12 is 2.4 micrograms (mcg) per day for most adults, though the requirement ...

Pregnant women need 2.6 mcg of vitamin B12 a day and breastfeeding women need 2.8 mcg. Most people are able to get enough vitamin B12 from their diets, Allen says, so widespread supplementation ...

For example, researchers found a single serving of beef liver can provide 71 mcg of vitamin B12, which is approximately 30 times the DV. Whereas a 3 ounce serving of sirloin only contained 1.4 mcg.

Vitamin B12 deficiency is quite common and can result in fatigue, nervousness, dizziness, and numbness. Here are 8 foods to boost your vitamin B12 intake: Eggs are a good source of vitamin B12.