Boron citrate
Boron citrate is a boron ingredient made by reacting boric acid with citric acid and drying the product, usually onto a carrier, to a powder with a stated boron content. It is not a single defined compound, so the specification and certificate of analysis define what is being bought. Brands use it in small amounts in tablets, capsules and mineral premixes.
Suppliers sell different products under the same name. Specify the one you need.
Boron citrate with a stated boron percentage, often a few percent.
Further diluted grades for even dosing in multi-mineral formulas.
Boron citrate blended with other minerals at fixed ratios.
Compare each result with your own specification when the lot arrives.
Store boron citrate in tightly closed containers in a cool, dry place; it can absorb moisture and cake. Reseal opened packs. Shelf life is set by the supplier's specification, with boron assay and moisture the usual retest checks.
Record the boron assay for each lot and calculate the dose from it, since boron content differs between suppliers. Keep boron citrate separate from other boron sources such as boron glycinate or calcium fructoborate.
Facts from regulators and standards bodies, each linked to its source.
Health Canada's Multi-Vitamin/Mineral Supplements monograph for natural health products lists boron citrate among the source ingredients for boron (Table 4).
Source: webprod.hc-sc.gc.ca (opens in a new tab)The same monograph classes boron as a complementary ingredient that must be combined with at least one medicinal ingredient from its Tables 1 to 3.
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 standardized powder, triturations and premixes. Ask each supplier for the specification sheet of the exact grade they quote.
Expect boron assay, citric acid content, loss on drying and heavy metals and microbiology, each with its method, specification and result for that lot.
Store boron citrate in tightly closed containers in a cool, dry place; it can absorb moisture and cake. Reseal opened packs. Shelf life is set by the supplier's specification, with boron assay and moisture the usual retest checks.
Health Canada's Multi-Vitamin/Mineral Supplements monograph for natural health products lists boron citrate among the source ingredients for boron (Table 4). The same monograph classes boron as a complementary ingredient that must be combined with at least one medicinal ingredient from its Tables 1 to 3.
Request a free listing for the ingredients you make or distribute. No paid placement.