Weight-bearing exercises, started in your youth and
continued throughout your life, can help prevent
osteoporosis. These exercises, such as walking,
jogging, climbing, dancing, or lifting weights, help you build strong bones as
a young person. And they help you maintain your bone thickness (density) as an
adult. But if you stop exercising, your bones will begin to thin.
these exercises at any age will help prevent bone loss. It is best to do
weight-bearing exercise for at least 2½ hours a week. One way to do this is to
be active 30 minutes a day, at least 5 days a week. In addition to
weight-bearing exercise, experts recommend that you do resistance exercises at
least 2 days a week.
What kind of vitamin D is best?
The recommended form of vitamin D is vitamin D3 or cholecalciferol. This is the natural form of vitamin D that your body makes from sunlight. Supplements are made from the fat of lambs' wool.
However, a clinical study reported in 2008 suggested that vitamin D2 works as well as vitamin D3.
Many supplements contain vitamin D as vitamin D2 or calciferol. It's derived from irradiated fungus. Because this is not the form of vitamin D naturally made by your body, WebMD...