Vitamins

Dietary Supplements Safety
by Food and Drug Administration (FDA)
The dietary supplement industry has changed a lot in the last decade. When DSHEA was passed, there were about 4,000 dietary supplements on the market. Now there are about 29,000 on the market, with another 1,000 new products introduced each year

Vitamin A : Health Benefits
by MedlinePlus
Vitamin A is a fat-soluble vitamin which is derived from two sources: preformed retinoids and provitamin carotenoids. Retinoids such as retinal, retinal, and retinoic acid are found in animal sources like liver, kidney, eggs, and dairy produce.

Guide to Dietary Supplements
by Food and Drug Administration (FDA)
Traditionally, dietary supplements referred to products made of one or more of the essential nutrients, such as vitamins, minerals, and protein. But DSHEA broadens the definition to include, with some exceptions, any product intended for ingestion

Buying Medical Products Online : Dietary Supplements
by Food and Drug Administration (FDA)
Dietary supplements are products taken as a supplement to the diet. Examples are vitamins, minerals, herbs, botanicals, and amino acids, the individual building blocks of proteins needed for all life. Dietary supplements are classified as foods

Folate Can Help Prevent Birth Defects
by Food and Drug Administration (FDA)
Adequate intake of folate, a B vitamin, is so important in preventing birth defects that FDA is requiring it be added to bread and other grain products. If you plan to have children some day, here's important information for the future mother-to-be

Vitamin E Supplements Safety
by Health Canada
While vitamin E from dietary sources is needed to maintain good health, people often take vitamin E supplements in the belief that they may prevent disease. Recent studies, however, have suggested that the use of high doses of vitamin E may actually

Dietary Supplements: More is Not Always Better
by National Institute on Aging
Dietary supplements used to make you think only of vitamins and minerals. But, today this big business makes and sells many different types of dietary supplements that have vitamins, minerals, fiber, amino acids, herbs, or hormones in them.

Selenium and Vitamin E Cancer Prevention
by National Cancer Institute
SELECT stands for the Selenium and Vitamin E Cancer Prevention Trial, a clinical trial to see if one or both of these dietary supplements prevent prostate cancer. Selenium and vitamin E are antioxidants.

Tips For The Savvy Supplement User
by Food and Drug Administration (FDA)
Given the abundance and conflicting nature of information now available about dietary supplements, you may need help to sort the reliable information from the questionable.

Supplementing Your Diet: Vitamins, Minerals and Beyond
by National Institute of Health
The world of dietary supplements is getting more and more complicated. People aren't just taking vitamins and minerals anymore. Now, things like glucosamine, saw palmetto, black cohosh and ginkgo biloba are crowding onto shelves beside old standbys