Magnesium Gluconate Dosage
Medically reviewed by Drugs.com. Last updated on Aug 11, 2023.
Applies to the following strengths: 500 mg; 1000 mg/5 mL; 65 mg/mL; 250 mg
Usual Adult Dose for:
Usual Pediatric Dose for:
Additional dosage information:
Usual Adult Dose for Dietary Supplement
500 to 1000 mg magnesium gluconate (27 to 54 mg elemental magnesium) orally once a day.
Usual Pediatric Dose for Dietary Supplement
Recommended dietary intake (RDA) for magnesium:
Birth to 6 months: 30 mg (adequate intake)
7 to 12 months: 75 mg (adequate intake)
1 to 3 years: 80 mg
4 to 8 years: 130 mg
9 to 13 years: 240 mg
14 to 18 years, male: 410 mg
14 to 18 years, female: 360 mg
Tolerable upper intake level (UL) for supplemental magnesium:
1 to 3 years: 65 mg
4 to 8 years: 110 mg
9 to 18 years: 350 mg
- Magnesium gluconate contains 5% elemental magnesium
Renal Dose Adjustments
Use with caution.
- Magnesium elimination is decreased in renal impairment.
- Digestive magnesium absorption is normal or decreased in renal impairment.
Liver Dose Adjustments
Data not available
Dose adjustment(s) may be required; however, no specific guidelines have been suggested. Caution is recommended.
- Effects are similar in both hemodialysis and peritoneal dialysis.
- Hypermagnesemia is common with creatinine clearance under 10 mL/min.
- Mild hypermagnesemia is common with a dialysate magnesium of 0.75 mmol/L
- Serum magnesium was normal to low with a dialysate magnesium between 0.2 and 0.25 mmol/L.
- Ionized serum, ionized mononuclear and red blood cell measurements are not useful for hypermagnesemia detection.
- Take with food to prevent side effects.
- Long acting formulations should not be crushed or chewed.
- If a dose is missed, take it as soon as remembered, unless it's almost time for the next dose, in which case it should be skipped. Do not double up doses.
- Notify your doctor if you experience side effects that are severe or don't go away, such as diarrhea and stomach upset.
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