As most kidney stones contain calcium, it may reason that a calcium supplement could raise your risk of making stones. As it ...

Many people with osteoporosis need supplemental vitamin D to keep their blood levels in the recommended range, which is 30-48 ng/mL (75-120 nmol/L) for a person with PBC and osteopenia, in my opinion.

Separately, for the past 20 years at least, my blood tests have shown a high level of calcium in my blood. I understand that the normal range for blood calcium is 8.5-10.3 mg/dL.

Calcium carbonate is a common supplement for people with low calcium levels. It’s also useful as an antacid to manage uncomfortable digestive symptoms. Calcium carbonate (CaCO3) is a compound ...