If you consume the recommended 1,000 to 1,500 milligrams of calcium a day, however, such dietary interactions shouldn't be a problem. If you're on hormones, it's likely that your body will better utilize the calcium you consume. But it's still safest to aim for at least 1,200 milligrams a day. Make up any shortfall with supplements. Buy supplements by price.
Calcium carbonate is cheapest.
If it gives you gas, take smaller doses or switch to another form. Take your supplement with meals to aid absorption. Take no more than 500 milligrams in supplements at a time. Keep taking the supplements. If you stop taking them, any gains in bone strength will fade.