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Magnesium Gluconate

Published: July 26, 2026Updated: August 26, 2026

Magnesium Gluconate is a mineral supplement that provides magnesium in a highly bioavailable form to address deficiencies. It is commonly used when dietary intake is insufficient or when increased magnesium needs arise, such as in certain medical conditions or medication interactions that deplete magnesium levels.

Quick summary

Magnesium Gluconate is a mineral supplement used to treat or prevent magnesium deficiency by providing easily absorbable magnesium to support various bodily functions.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 2026Editorial policy

Key facts at a glance

ATC
A12CC03
RxNorm
6585
Generic
Magnesium Gluconate
Class
atc-a12
Brands
Mag-G, Magonate, Magtrate
Availability
otc
Pregnancy
C
Lactation
safe
Half-life (h)
4
Onset (min)
60
Duration (h)
8
Routes
oral
Forms
tablet, chewable tablet, capsule, oral solution, powder for reconstitution
Regions
United States, Canada, United Kingdom, European Union, Australia, New Zealand
Monitoring
serum magnesium levels, renal function, serum electrolytes, cardiac rhythm in high-risk patients

This page is for informational purposes only.

Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.

Treatment and prevention of magnesium deficiency, which may occur due to inadequate dietary intake, certain medications (such as diuretics or proton pump inhibitors), gastrointestinal disorders affecting absorption, or conditions like hypomagnesemia. May be used as a general mineral supplement when magnesium levels need to be maintained.

Magnesium Gluconate dissociates in the digestive tract to release magnesium ions, which are then absorbed through the intestinal lining. Magnesium is an essential mineral that serves as a cofactor for over 300 enzymatic reactions in the body, supporting muscle function, nerve transmission, energy production, and maintaining normal heart rhythm.

Should be taken as directed, typically with meals to reduce gastrointestinal discomfort. Individuals with kidney disease should use caution and consult a healthcare provider before use. May interact with certain medications including antibiotics, bisphosphonates, and calcium channel blockers. Common side effects are usually mild and may include diarrhea or gastrointestinal upset.

Official drug label

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 26, 2026. · Read our editorial policy