Magnesium malate
Magnesium malate is a magnesium salt of malic acid, made by reacting malic acid with magnesium oxide, hydroxide or carbonate in water and drying the product to a white powder. Suppliers sell different salts and ratios under the same name, including dimagnesium malate and blends with other magnesium salts, so magnesium content and the malic acid form (DL- or L-) should be read from each specification. Brands buy it as powder or granules for capsules, tablets and powdered drinks.
Suppliers sell different products under the same name. Specify the one you need.
A defined salt with a stated magnesium content, sold as fine powder.
Hydrated grades with lower magnesium per gram; the hydrate should be named.
Granulated grades for tablet presses.
Magnesium malate blended with magnesium oxide or other salts to raise magnesium per gram; the blend ratio belongs on the specification.
Compare each result with your own specification when the lot arrives.
Store magnesium malate sealed in a cool, dry area; it can absorb moisture and cake once opened. Keep containers closed between uses. Shelf life is set by the supplier's specification, with moisture and assay retested on aged stock.
Record magnesium and malate results for each lot; a high magnesium figure with low malate can mean the product is partly magnesium oxide. Keep the same supplier grade where label claims name the salt.
Facts from regulators and standards bodies, each linked to its source.
Health Canada's Multi-Vitamin/Mineral Supplements monograph for natural health products lists magnesium malate among the source ingredients for magnesium (Table 2).
Source: webprod.hc-sc.gc.ca (opens in a new tab)This is general information, not regulatory advice. Status differs by country and by how the ingredient is used, so check the rules for your product and market.
Manufacturers and distributors whose own websites say they sell it.
Manufacturer · Bengaluru, India
Indian maker of pharmaceutical ingredients and mineral salts, with plants in Hosur. Its mineral range covers calcium, magnesium, iron, zinc, copper and selenium salts and amino acid chelates.
Suppliers are in alphabetical order and none pays to appear. Each claim is checked against the supplier’s own website on the date shown. Ask for the specification sheet and a recent COA before you order, and confirm details with the supplier.
Common forms include dimagnesium malate, magnesium malate trihydrate and other hydrates, directly compressible granules and buffered or blended grades. Ask each supplier for the specification sheet of the exact grade they quote.
Expect magnesium assay, malate content, loss on drying, lead and other metals and microbiology, each with its method, specification and result for that lot.
Store magnesium malate sealed in a cool, dry area; it can absorb moisture and cake once opened. Keep containers closed between uses. Shelf life is set by the supplier's specification, with moisture and assay retested on aged stock.
Health Canada's Multi-Vitamin/Mineral Supplements monograph for natural health products lists magnesium malate among the source ingredients for magnesium (Table 2).
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