An average calcium supplement contains 600 mg. of calcium. Be make sure to take them on a daily basis however. In addition, a daily vitamin D supplement will help your body absorb the calcium that it needs. In fact, some supplements contain vitamin D in addition to calcium to aid in this absorption. Wherever you decide to get your calcium, don't delay.
Most people think osteoporosis can be cured at any age without drugs.
The truth is, you really need to prevent it beginning in childhood.