Men under 65, women prior to menopause, and women after menopause taking estrogen should have 1000 mg. of calcium daily. Men over 65 and women after menopause who are not taking estrogen should have 1500 mg. of calcium daily. Drinking 3 cups of milk per day will help to meet this requirement.
Warning signs are sudden back pain or a change in posture, loss of height, or a fracture.
Smoking and excessive drinking, lack of exercise, certain medications, disease or surgery increase risk of Osteoporosis. Exercise, adequate intake of calcium, vitamin D, and limiting alcoholic beverages help to prevent Osteoporosis in men. Or, if you are planning to become pregnant and have poor eating habits. You don't need to buy and expensive, highly potent supplement. Your bones become weaker over the years because they contain less minerals.