Supplements Guide: Side Effects & Best Multivitamins

Vitamins and supplements like melatonin and fish oil offer health benefits but can cause side effects if misused. Learn about the impact of saw palmetto on blood pressure and find the best multivitamins for young women and adults over 50.

Vitamins That Function As Coenzymes

Published Jul,08 2011 | By Norma DeVault

Members of the vitamin B complex serve as coenzymes that assist every cell in the human body. They help the body metabolize carbohydrates, proteins and fats and build DNA for new cells. Without its coenzyme, an enzyme will not function. Vitamins work together in impressive ways as coenzymes or precursors to coenzymes.