Avoid excessive intake of these nutrients to protect our bones:
Vitamin A
The recommended daily intake of 800 micrograms RE (retinol Equivalent) in women and 1000 micrograms RE in men. Vitamin A is necessary for growth, vision, endurance, and bone remodeling. Excess intake of vitamin A bad effect on bone. Intake of more than 1500 mcg RE associated with increased risk of hip fracture until doubled.
Source of vitamin A is cod liver oil, liver, and margarine are fortified vitamin A. Meanwhile, pro-vitamin A in the form of beta-carotene from vegetables and fruits yellow, orange, and red, does not affect tertanya osteoporosis.
Excessive protein intake
In sufficient quantities, protein helps bone formation by maintaining levels of growth hormone and hormones other important. However, excess protein, which results to be acid metabolism, causing increased calcium expenditure. As a result, expenditure of calcium in the urine will be more and more. Thus, a balance of protein intake by eating enough vegetables and fruit, the results of the alkaline metabolism.
Salt
Excess salt intake causes expenditure sodium (salt) in the urine increased. This process also brings with calcium into the urine.
Caffeine
Coffee drinking habits of popular current expenditures also helps enhance calcium in the urine. Say, every 1 cup of coffee drinking is a waste of calcium through the urine calcium equal to that contained in 1 tablespoon milk. If you love to drink coffee, try adding a little low-fat dairy and high calcium into the coffee.