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 To elaborate, a 500 mg calcium citrate supplement only provides 105 mg of elemental calcium. 2  Pill size: Calcium citrate is usually small and in capsule form. 3  If you suffer from acid stomach, it is best to avoid calcium citrate.  Brands: Tums, Caltrate, and most other brands.