With the many calcium supplements available to pick from, how do you to determine which are the most beneficial calcium supplement for your needs? Here is a comparison of AlgaeCal Plus and the leading calcium supplements available. (Caltrate, CalMax, PremCal, Coral Calcium, Calcium Carbonate, and Calcium Citrate) Most calcium supplements are either organic or laboratory-produced, apart from AlgaeCal. The majority of calcium supplements don't contain trace minerals, nor the clinically tested bone-building vitamin combo of D3 K2 and Strontium. Caltrate Caltrate is an low-cost calcium carbonate product that is typically sold along with vitamin D2, a synthetic version of vitamin D which has been proved by clinical studies to be less efficient than the vitamin D3 type (1a). It comes in tablet instead of gelatin capsules tablets are not a bio-available form of delivery (2a). Tableting is a process that requires a variety of substances of doubtful value including "cellulose,...