Safety Information on Calcium Carbonate
Some people think that vitamins or minerals are naturally free of side effects. However, this is simply not the case. Calcium carbonate has been reported to cause various side effects, including (but not limited to):
(Click Calcium Side Effects to learn more, including potentially serious side effects that you should report immediately to your healthcare provider.)
Most people can safely take calcium carbonate, especially at reasonable dosages. However, some people may be more likely to experience problems due to calcium carbonate. Therefore, you should talk with your healthcare provider prior to taking the supplement if you have:
- Achlorhydria (low or absent stomach acid)
- An overactive parathyroid gland (hyperparathyroidism)
- High phosphate levels in the blood (hyperphosphatemia)
- Low phosphate levels in the blood (hypophosphatemia)
- Kidney disease, such as kidney failure (renal failure)
- Kidney stones
- Any allergies, including allergies to foods, dyes, or preservatives.
Also, let your healthcare provider know if you are:
- Pregnant or thinking of becoming pregnant (see Calcium and Pregnancy)
- Breastfeeding (see Calcium and Breastfeeding).
Make sure to tell your healthcare provider about all other medicines you are taking, including prescription and non-prescription medicines, minerals, and herbal supplements.
(Click Safety of Calcium for more information, including any available warnings and precautions.)