Marcus follows a vegetarian diet and needs to find a supplemental source of vitamin B-12. He is in a health foods store, trying to decide whether to purchase cyanocobalamin (vitamin B-12) or its more expensive coenzyme form, methylcobalamin. What advice would you give Marcus concerning the difference between B vitamin supplements and their coenzyme forms?

The answer is cyanocobalamin.

Explanation:

The coenzyme form of cyanocobalamin is the artificially made vitamin B12 and its' effects and the amount retained in the body is lower than methylcobalamin which is the naturally occuring vitamin B12 in its natural form and does have advantages over cyanocobalamin. I would advice Marcus to use cyanocobalamin.

I hope this answer helps.

The correct answer is Methylcobalamin

Explanation:

Cyanocobalamin is a cyanide salt of B-12 which is a synthetic form and has a low restoration rate. This is low cost and stable, however the it is excreted faster.

Methylcobalamin is natural salt of the B-12 and is present in both natural and synthetic form. Although the coenzyme is costly, however it has a better retention time and is more effective.

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