How to increase vitamin B12 in the body

Vitamin B12 helps the human body produce DNA and red blood cells, support the immune system, and promote healthy nerve function.

The recommended daily allowance for B12 is 2.4 micrograms (mcg) for adults, 2.6 mcg for pregnant women and 2.8 mcg for breastfeeding women, Health writes.

Main food sources of vitamin B12

1. Shellfish

84.1 mcg in 3 oz. of cooked shellfish (3.504% DV). Not only do they have the highest concentration of vitamin B12 of any food, but they also contain a lot of potassium. About 3 ounces of shellfish contain 534 milligrams (mg) of potassium.

2. Seaweed

30–60 mcg per 100 g of dried purple layer (1250% to 2500% DV). They can be a rich source of vitamin B12. Marine…