Comparison shop if cost is a factor for you. Different types of calcium supplements have different costs. Supplements that bear the USP, CL or NSF abbreviation meet voluntary industry standards for quality, purity, potency, and tablet disintegration or dissolution. Pharmacopeial Convention (USP), (CL) or NSF International. Some companies have their products independently tested by U.S. Manufacturers are responsible for ensuring that supplements are safe and claims are truthful.

Ask your doctor or pharmacist about possible interactions and which type of calcium supplement would work for you. Depending on your medications, you may need to take the supplement with your meals or between meals. What prescriptions you takeĬalcium supplements can interact with many different prescription medications, including blood pressure medications, synthetic thyroid hormones, bisphosphonates, antibiotics and calcium channel blockers. You may need to try a few different brands or types of calcium supplements to find one that you tolerate the best. In general, calcium carbonate is the most constipating.

But side effects can sometimes occur, including gas, constipation and bloating.

Calcium supplements cause few, if any, side effects.

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