What causes vitamin B12 deficiency?
Gastric problems, excessive alcohol consumption, coeliac disease, intestinal parasites, bacteria, gastric ulcers, gastritis and inadequate protein intake can cause vitamin B12 deficiency. This can also be observed in people over the age of 50.
Which foods contain vitamin B12?
The main source of vitamin B12 is the foods of animal origin. Many of the foods of animal origin are rich in vitamin B12.
Fish egg is one of the foods that contain vitamin B12 the most. 50 grams of egg fish provides almost the 5 times of the RDA for vitamin B12. Octopus is also a seafood that is rich in this vitamin. 15 grams of octopus provides the RDA for vitamin B12. Mackerel, salmon, sardine and tuna are also important sources of vitamin B12. 100 grams of mackerel or salmon provides the 3 times of the RDA, tuna provides 2 times of it and sardine provides 1,5 times for B12. Oyster and mussel are the sea foods that also contain vitamin B12.
Lamb, beef, turkey, duck and foie gras are the meat products that are rich in vitamin B12. Similarly, beef, ground beef and lamb meat are also important sources for vitamin B12.
In certain cheese types and in egg, there is plenty of vitamin B12. 100 grams of white cheese provides 1/3 of the RDA for vitamin B12. 1 egg yolk provides 6% of the RDA for vitamin B12.
Other foods that contain vitamin B12
Supplemented breakfast cereals
Milk
Yoghurt
Chicken
Supplemented tofu
Shrimp
Deer meat
Seaweed
Yeast
Supplemented soy milk
Offal