calcium carbonate

Marion Laboratories, the first to massmarket calcium, remains the leader with its Os-Cal brand, which now faces an onslaught of others.

For its part, GlaxoSmithKline is offering Os-Cal, a calcium supplement developed to help men and women fend off osteoporosis.

(+9.8%) Dollar Dollar Market sales sales LEADING BRANDS ** share (000) change Nature's Bounty 12.8% $121,057 +20.4% Nature Made 9.2% 87,276 +16.9% Osteo Bi-Flex 4.9% 46,177 -1.8% Natrol 2.3% 21,503 +14.3% Schiff Move Free 2.0% 18,835 -3.6% Nature's Bounty Q-Sorb 1.9% 17,833 +18.0% Citracal 1.7% 16,318 +61.3% Os-Cal 1.7% 16,022 -8.5% Caltrate 600 Plus 1.4% 13,088 +6.9% Flex-a-Min 1.2% 11,053 +10.3% TOTAL UNIT SALES * 160.4 mil.

If you aren't getting enough calcium through your diet, over-the-counter, chewable products such as TUMS and Os-Cal are inexpensive and contain adequate amounts of elemental calcium.

Os-Cal 500 has 1,250mg of calcium carbonate, which contains 500 mg of elemental calcium.

Os-Cal 500 has 1,250 mg of calcium carbonate, which contains 500 mg of elemental calcium.

CALCIUM SUPPLEMENT FROM GSK: Glaxo-SmithKline offers Os-Cal, which the company says is the calcium supplement that doctors and pharmacists recommend most and which has been clinically proven to be effective.

Ott's opinion, the most effective over-the-counter products for calcium supplementation are Tums, Os-Cal 500, and Citracal (calcium citrate).

(+9.9%) Market Dollar sales Dollar sales LEADING BRANDS ** share (000) % change Nature's Bounty 11.7% $103,367 + 21.8% Nature Made 8.4% 73,778 + 23.4% Osteo Bi-Flex 5.4% 47,562 + 9.4% Natrol 2.2% 19,392 + 3.5% Schiff Move Free 2.2% 19,322 + 3.4% Os-Cal 1.9% 17,000 + 3.6% Caltrate 600 Plus 1.5% 12,863 + 13.2% Nature's Bounty Q-Sorb 1.3% 11,250 - 10.2% Flexes-min 1.2% 10,961 + 8.5% Viactiv 1.2% 10,273 - 8.4% TOTAL UNIT SALES * 154.7 mil.