The Bahamas are the closest tax haven to the United States. As far as tax havens go, the Bahamas are one of the largest in land area. With over 700 islands and cays (pronounced key) totaling 5,400 square miles, only Panama, Vanuatu and Switzerland are bigger.
Calcium citrate is a calcium supplement derived from citric acidâa substance commonly found in citrus fruits and other fruits and vegetables. While calcium citrate is an acidic form of calcium, calcium carbonate, another calcium supplement, is alkaline based.
1 Calcium citrate: Easily absorbed and digested by the body. 2  It does not contain as much elemental calcium -- the amount your body actually absorbs -- as calcium carbonate. 3  It is more expensive than calcium carbonate.4  Also, calcium citrate should not be used with aluminum-containing antacids. Calcium citrate: Easily absorbed and digested by the body. 2  It does not contain as much elemental calcium -- the amount your body actually absorbs -- as calcium carbonate. 3  It is more expensive than calcium carbonate.