🧲 Magnesium Forms

Magnesium Malate Dosage Chart

Magnesium malate combines magnesium with malic acid, a compound involved in the Krebs cycle (cellular energy production). This form is gentler on the digestive system than citrate, highly bioavailable, and particularly popular for fibromyalgia pain and chronic fatigue syndrome where mitochondrial energy production is implicated.

3 age groups4 cautions2 cited sources

Not medical advice. Dosage information on this page is for educational reference only and is sourced from published guidelines. Individual needs vary based on health status, medications, and goals. Consult a healthcare provider — physician, pharmacist, or registered dietitian — before starting or adjusting any supplement.

Magnesium Malate Dosage by Age Group

Age GroupAge RangeDose RangeNotes
Adults — daily supplement18–64 years200–400 mgElemental magnesium per day
Adults — fibromyalgia / chronic fatigue18–64 years300–450 mg300–450 mg elemental Mg; taken in divided doses
Seniors (65+)65+ years200–350 mgStart low; assess tolerance

When and how to take Magnesium Malate

Take magnesium malate in the morning or with meals for energy support. Unlike glycinate, it does not have strong sedative properties, making it better suited for daytime use. Split into two doses for amounts above 300 mg elemental magnesium.

Available Forms

Capsules / tablets

Most convenient form.

Elemental magnesium in malate is ~8–15% of the total salt weight

Powder

Allows flexible dosing. Dissolves easily in water.

Pleasant slightly tart taste from malic acid

Safety Cautions

  • Upper tolerable intake level for supplemental magnesium: 350 mg elemental magnesium/day.
  • Very high doses (above 400 mg elemental Mg) may cause loose stools.
  • Kidney disease: avoid without physician supervision.
  • Malic acid is generally well-tolerated but may cause GI discomfort in sensitive individuals at high doses.

Frequently Asked Questions

How much magnesium malate per day?

For general supplementation, 200–400 mg of elemental magnesium per day is the target. Note that magnesium malate products vary — check the elemental magnesium content on the label, not the total magnesium malate weight. A typical product might list '1,000 mg magnesium malate' providing ~150 mg elemental magnesium.

Is magnesium malate good for fibromyalgia?

Several small studies have used magnesium malate (often combined with malic acid) for fibromyalgia pain with positive results. A 2013 randomized trial found 300 mg elemental magnesium from malate significantly reduced fibromyalgia pain scores at 8 weeks. It is not a cure but may offer adjunct relief.

Sources & References

  1. Abraham GE & Flechas JD, J Nutr Med 1992 — Magnesium malate and fibromyalgia
  2. NIH ODS — Magnesium Fact Sheet