The effect of calcium supplementation on lipids and bone density in men.

INTERVENTION: Daily 600mg calcium (as the citrate) or 1200mg calcium (as the citrate) over 2 years. CONDITION: Normal men PRIMARY OUTCOME: The difference between the ratio of HDL/LDL cholesterol over 2 years in three treatment groups. SECONDARY OUTCOME: The difference between changes in LDL cholesterol, HDL cholesterol, total cholesterol, HDL/total cholesterol ratio, triglycerides. The difference between changes in spine, hip and total body bone mineral density, blood pressure, soft tissue mass and its distribution. INCLUSION CRITERIA: Males, Age > 40 years, Life expectancy > 5 years.