Calcium DRI

Recommended Daily Intake of Calcium and Upper Tolerable Limits

The latest guidelines on the recommended daily allowance for calcium for adults (including women who are pregnant or nursing) are 1,000 mg. to 1,200 mg. The tolerable upper limit is stated as 2,500 mg. per day.

Both the elderly and those who are on a high protein, high fat, or high phosphorus diet need more calcium in their diet than others as a safeguard against calcium deficiency to counteract the less efficient absorption. However, there is no reason to believe that the upper tolerable limit for calcium, currently more than double the recommended amount, is more beneficial for anyone, and it might be less beneficial.

Health Claim:

Calcium and osteoporosis health claim: Adequate calcium throughout life, as part of a well-balanced diet, may reduce the risk of osteoporosis" or "Adequate calcium as part of a healthful diet, along with physical activity, may reduce the risk of osteoporosis in later life." (21 CFR 101.72(e))

Calcium, vitamin D, and osteoporosis: "Adequate calcium and vitamin D throughout life, as part of a well-balanced diet, may reduce the risk of osteoporosis" or "Adequate calcium and vitamin D throughout life, along with physical activity, may reduce the risk of osteoporosis in later life." (21 CFR 101.72(f)).