One-A-Day WEIGHT SMART is a supplement previously manufactured by the Bayer Corporation, which produces a variety of One-A-Day vitamin products aimed at teens, women, men and seniors. WEIGHT SMART used to be the company's name for its women's metabolism-support vitamin, which is now called One-A-Day Women's Active Metabolism. Always consult a doctor before trying a new supplement.
Caffeine and Green Tea
One-A-Day WEIGHT SMART contains green tea extract as well as caffeine powder which, when combined, may help boost metabolism and burn fat according to University of Maryland Medical Center. The polyphenols in green tea may be partly responsible for its fat-burning effect. The National Institutes of Health gives the green tea extract in One-A-Day WEIGHT SMART a rating of "insufficient evidence to rate effectiveness for." While consuming this extract may help you shed some pounds if you are moderately overweight, it appears unlikely to help you keep weight off, according to MedlinePlus.
Vitamins
Each dosage of One-A-Day WEIGHT SMART provides 100 percent of the recommended daily amount of vitamins C, D, E, K and folic acid. The vitamin supplement contains more than 100 percent of the RDA for thiamin, riboflavin, niacin, pantothenic acid and vitamins B6 and B12. The vitamin also provides 50 percent of your RDA for vitamin A.
Minerals
One-A-Day WEIGHT SMART also provides 100 percent of the RDA for the minerals including iron, zinc, selenium, copper and manganese. You also get 167 percent of the RDA for chromium and 30 percent of daily recommended calcium. The supplement contains 12 percent of the RDA for magnesium.
Inactive Ingredients
The inactive ingredients in this product include cellulose, which is a plant wall component; gelatin, corn starch and glucose, a form of sugar. It also contains the coloring FD&C Blue No. 1, which is a water-soluble dye that the U.S. Food and Drug Administration allows for use in drugs, foods and cosmetics. The FDA issued a warning about this dye in 2003 after reports of toxicity were associated with it when used in feeding solutions for extremely sick patients. The FDA did not pinpoint a direct cause-and--effect relationship between the dye and the incidents of toxicity, however, and to date the dye is still widely used in foods such as candy and beverages. There have been no reports of toxicity in such products when the dye is used in amounts consistent with good manufacturing practices, according to the FDA. The FDA originally deemed this dye safe to use on the basis of numerous animal studies.
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