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Generic Name: [KAL-see-um-KAR-boe-nate-and-mag-NEE-see-um-KLOR-ide] Calcium carbonate and magnesium chloride.
The Brand Names are: Mag64, MagDelay Magnesium Chloride containing Calcium Nu-Mag, Slow Magnesium Chloride with Calcium Slow-Mag, Slow-Mag Muscle + Heart.
The Class of Drugs: Minerals and electrolytes.

What is Mag64?

Magnesium and calcium are both naturally occurring minerals. Calcium is essential for bone growth and maintenance. Magnesium aids in maintaining the function of muscles and a normal heart rhythm. Mag64 is a combination medication that is used to supplement. Mag64 is a supplement to your diet if it's not providing sufficient minerals or if they're lost by sweat.  Mag64 could also be used to treat conditions that are not mentioned in this guide.

Adverse effects of Mag64

See a doctor immediately. Get medical attention immediately if you notice symptoms that indicate an allergic reaction, like hives, trouble breathing, or swelling of your lips, face, or tongue.

Mag64 could cause severe adverse consequences. Take a break from Mag64 and contact your doctor immediately if you suffer from:

  • Nausea, vomiting, stomach discomfort, and loss of appetite. more thirst or urination.
  • Muscle discomfort as well as weakness and joint pain.
  • Feelings of confusion, fatigue, or being in a state of agitation.
  • Slower heart rate, drowsiness, and feeling lightheaded.

Common negative side effects of Mag64 could include:

  • Constipation.
  • Diarrhea.
  • Upset stomach.

This is not an exhaustive list of probable side effects, and others may occur. Please see your doctor for medical advice. You can report adverse reactions to the FDA at 1-800-FDA-1088.


Follow the directions on the label of your medication and the package. Inform your health care providers about your medical issues, allergies, and all medications you take.

Before you take this drug.

It is not recommended to use Mag64 if you've ever suffered allergies to an antibiotic or vitamin or mineral supplement that has magnesium carbonate or magnesium chloride.

Ask your doctor or pharmacist to determine if this medication is suitable for use if you are:

  • kidney disease.
  • A family history that includes kidney stones.
  • Coronary disease.
  • A blockage inside your digestive tract.

Talk to your doctor before taking this medication if you are breastfeeding or pregnant. Your dose needs could differ during pregnancy or when you are breastfeeding.

How to take Mag64?

Follow the directions on the label or as directed by your doctor. Suck the tablet completely and make sure you don't crush, chew, or break it. Keep at room temperature and away from heat and moisture.

What happens if I miss a dose?

Because Mag64 is a medication that can be used at any time, it is possible that you are not following a regular dosing regimen. Don't miss any dose in the event that it's nearing the time to take the next dose. Don't take two doses at once.

What happens if I overdose?

For medical emergencies, seek emergency medical attention or contact the Poison Help line at 1-800-222-1222.

What should be avoided?

Do not take other medications in the same way you are taking Mag64.

Interaction with other drugs

Calcium carbonate makes it more difficult for the body to absorb certain drugs and reduces their effectiveness. If you are taking other medications, you should take your Mag64 dose at least 2 hours prior to or 2 hours following the time the medicine was taken.

Discuss with your doctor any other medications you take, including:

  • An antibiotic.
  • Medicine for blood pressure or the heart.
  • Medication to treat osteoporosis, or Paget's bone disease—Actonel, Boniva, Fosamax, Reclast Zometa, among others.

This list is not comprehensive. Other medications can affect Mag64, such as medications that are prescribed and available over the counter, vitamins, and herbal products. There are many possible interactions between drugs, which are listed here.