Generic name: calcium carbonate and magnesium chloride [ KAL-see-um-KAR-boe-nate-and-mag-NEE-see-um-KLOR-ide ]
Brand names: Mag64, MagDelay, Magnesium Chloride With Calcium, Nu-Mag, Slow Magnesium Chloride with Calcium, Slow-Mag, SlowMag Muscle + Heart
Drug class: Minerals and electrolytes
What is Mag64?
Calcium and magnesium are naturally occurring minerals. Calcium is needed for bone formation and maintenance. Magnesium helps maintain muscle function and normal heart rhythm.
Mag64 is a combination medicine used as a supplement. Mag64 is given when your diet does not provide enough of these minerals, or when they are lost through perspiration.
Mag64 may also be used for purposes not listed in this medication guide.
Mag64 side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Mag64 may cause serious side effects. Stop using Mag64 and call your doctor at once if you have:
confusion, feeling tired or restless; or
Common side effects of Mag64 may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Before taking this medicine
Ask a doctor or pharmacist if this medicine is safe to use if you have:
Ask a doctor before using this medicine if you are pregnant or breastfeeding. Your dose needs may be different during pregnancy or while you are nursing.
How should I take Mag64?
Use exactly as directed on the label, or as prescribed by your doctor.
Swallow the tablet whole and do not crush, chew, or break it.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Since Mag64 is used when needed, you may not be on a dosing schedule. Skip any missed dose if it's almost time for your next dose. Do not use two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking Mag64?
Avoid taking other medicines at the same time you take Mag64.
What other drugs will affect Mag64?
Calcium carbonate can make it harder for your body to absorb certain drugs, making them less effective. If you take other medicines, take your Mag64 dose 2 hours before or 2 hours after you take the other medicine.
Tell your doctor about all your other medicines, especially:
heart or blood pressure medicine; or
More about Mag 64 (calcium carbonate / magnesium chloride)
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- Drug class: minerals and electrolytes
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Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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