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Vitamin - Wikipedia, the free encyclopedia
A vitamin is an organic compound required as a nutrient in tiny amounts by an organism. A compound is called a vitamin when it cannot be synthesized in sufficient quantities by an ...
Vitamin D - Wikipedia, the free encyclopedia
Vitamin D is a group of fat-soluble prohormones , the two major forms of which are vitamin D 2 (or ergocalciferol ) and vitamin D 3 (or cholecalciferol ). The term vitamin D also ...
Vitamins, What Vitamins Should I Take, Personalized Vitamins
Find out which vitamins, minerals, herbs and specialty supplements are right for you.
MedlinePlus: Vitamins
Vitamins ... Vitamins are substances that your body needs to grow and develop normally.
vitamin - Definitions from Dictionary.com
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Nature Made Vitamins, Nutritional Information, Health and Wellness ...
Health and wellness topics, Nature Made vitamins and mineral supplements, nutritional information and herbal supplements provided by Nature Made Wellness Advisor