Sources of vitamin B-12 include...

A. whole grains, tuna and eggs
B. dairy products, meat and fish
C. citrus fruits, papayas and bananas
D. dairy products, whole grains and leafy green vegetables

Option B. dairy products, meat and fish

Explanation:

Vitamin B12 also called cobalamin is one of th eimportant vitamin for human body that is responsible for cell metabolism, support DNA Synthesis and , amino acidand fatty acid metabolism.

Vitamin B12 is present in the form of Methylcobalamin and 5-deoxyadenosylcobalamin in human metabolism and have chemical formula C63H88CoN14O14P.

Vitamin B12 is present in animal products including dairy products, fish, and meat, no plant food has vitamin B12 in it.

The correct option is B. Dairy prodcts, meat and fish.

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