How to shop for calcium/vitamin d?
individual’s needs based on tolerance, convenience, cost and availability. In choosing a calcium supplement, the following are important considerations: PURITY.. Choose calcium supplements that are known brand names with proven reliability. Look for labels that state “purified” or have the USP (United States Pharmacopeia) symbol. Since applying for the USP symbol is voluntary, many fine products may not display this symbol. Avoid calcium from unrefined oyster shell, bone meal or dolomite without the USP symbol, as these historically have contained higher lead levels or other toxic metals. ABSORBABILITY.. Most brand name calcium products are absorbed easily in the body. If the product information does not state that it is absorbable, how well a tablet dissolves can be determined by placing it in a small amount of warm water for 30 minutes, stirring it occasionally. If it hasn’t dissolved within this time it probably will not dissolve in the stomach. Chewable and liquid calcium supplemen
