It was a planned study period of 18 months. Their diets were supplemented with a special calcium mixture and 800 units of vitamin D3. Through more research I found that vitamin D3 is made from fish liver oils and is so labeled on the bottle. A good reason to watch your calcium and vitamin D intake. Note that the ages in the study were 69 to 106 years of age.
Researchers say the reduction in the risk of fractures was similar to the French study.
This is good for osteoporosis and many other diseases. A diet rich in calcium should contain at least 1,000 to 1,500 milligrams of calcium per day. In the study they used 800 milligrams of lysine a day. Many stones are rich in oxalate. The calcium in foods, however, may bind the oxalate before it can be deposited as a stone.