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Quick Specs
FormBisglycinate (Chelated)
Elemental Mg~14–16%
Purity≥98% (HPLC)
Shelf life24 months
MOQ1 kg (sample); 5 kg (commercial)
Nutraceuticals

Magnesium Glycinate

Bisglycinate Chelate High Bioavailability GI Friendly ≥98% Purity
The most bioavailable, GI-tolerable form of magnesium — the mineral involved in over 300 enzymatic reactions and deficient in the majority of modern adults.
Magnesium is the fourth most abundant mineral in the human body and the second most common intracellular cation after potassium — yet magnesium deficiency is endemic in modern populations, estimated to affect over 50% of adults in high-income countries due to processed food diets, soil depletion, and increased stress. The consequences of chronic sub-optimal magnesium status are far-reaching: impaired sleep, heightened anxiety, muscle cramps, elevated blood pressure, insulin resistance, and accelerated bone loss.

Magnesium Bisglycinate is the scientifically preferred form for supplementation because glycine chelation protects the magnesium ion from competing minerals and phytates in the digestive tract, and enables absorption via high-affinity amino acid transporters — bypassing the bottlenecked mineral ion channels that limit inorganic magnesium salts. The result is 2–4× higher cellular magnesium delivery per gram, with no osmotic laxative effect. For premium supplement brands, this means smaller serving sizes, better tolerability ratings, and higher consumer satisfaction and re-purchase rates.
Available specifications
    Quality Assurance

    Tested at Every Stage

    Every Magnesium Bisglycinate batch is verified for chelate content, elemental magnesium, and microbial safety. Full documentation with every shipment.

    01

    Chelate verification

    HPLC assay confirms ≥98% bisglycinate chelate content. Elemental magnesium content verified by ICP-OES or AAS per batch.

    02

    Heavy metals panel

    Lead, arsenic, mercury, and cadmium tested per USP/BP limits. Mineral supplements require rigorous metals testing — we do it on every batch.

    03

    Microbial safety

    Total plate count, E.coli, Salmonella, yeast & mould — verified against international food safety standards before release.

    04

    Full documentation

    COA, MSDS, Phytosanitary Certificate, elemental Mg data sheet, and all export documents issued before every shipment.

    Formulator's Guide

    Magnesium Forms Compared: Why Bisglycinate Wins

    Not all magnesium supplements are equal. The form of magnesium determines how much actually reaches cells, how well it is tolerated, and ultimately how satisfied your customers are. Here is how the most common magnesium forms compare on the parameters that matter most to supplement formulators and brand owners.

    Form Elemental Mg % Bioavailability GI Tolerance Best Use
    Magnesium Bisglycinate ✓ ~14–16% Excellent (chelated) Excellent — no laxative effect Sleep, stress, premium supplements
    Magnesium Citrate ~16% Good Moderate — laxative at high dose Constipation relief, general Mg
    Magnesium Malate ~15% Good Good Energy, fibromyalgia formulas
    Magnesium L-Threonate ~8% Excellent (brain) Good Cognitive health — high cost
    Magnesium Oxide ~60% Poor (~4%) Poor — strong laxative Low-cost fillers only
    Magnesium Sulfate ~20% Moderate Poor — strong laxative IV use; Epsom salts (topical)
    Buyer FAQs

    Common Questions about Magnesium Glycinate Sourcing

    Magnesium Oxide has ~60% elemental magnesium but only ~4% bioavailability — most passes unabsorbed and causes diarrhoea. Magnesium Citrate has better bioavailability (~16–25%) but still causes loose stools at supplement doses. Magnesium Bisglycinate is absorbed via amino acid transporters — independent of the limited mineral ion channels — delivering 2–4× more elemental magnesium to cells with virtually no laxative effect at standard doses. For premium sleep and stress products where consumer experience matters, bisglycinate is the correct choice.
    Magnesium Bisglycinate contains approximately 14–16% elemental magnesium by weight. This means to deliver 200 mg elemental magnesium, a formulation needs approximately 1,250–1,400 mg of the bisglycinate chelate. While the elemental Mg percentage is lower than oxide, the absorption advantage means far more magnesium actually enters the bloodstream and tissues. Label claims in most markets must disclose the elemental magnesium amount per serving, not the total chelate weight.
    For sleep formulations: 200–300 mg elemental magnesium taken 30–60 minutes before bed is the most studied dosing window. Using Magnesium Bisglycinate (~14% elemental Mg), this equates to approximately 1,400–2,100 mg chelate per serving. For stress and anxiety: 200–400 mg elemental Mg per day, often divided across two servings. Always verify against the RDA for your target demographic and comply with regulatory guidelines for the markets you sell into.
    The glycine used in SV Botanica's Magnesium Bisglycinate is produced synthetically — not from animal-derived collagen, gelatin, or other animal raw materials. This makes it suitable for vegetarian and vegan formulations. Halal and Kosher certifications are available on request for buyers serving those markets.
    Magnesium Bisglycinate is frequently combined with: Calcium Citrate and Vitamin D3/K2 (bone health formulas); L-Theanine or GABA (sleep and relaxation stacks); Zinc Bisglycinate (immune and hormonal health); B6 (Pyridoxine) which enhances magnesium cellular uptake; and Ashwagandha or Rhodiola (adaptogenic stress formulas). Note: high-dose calcium and magnesium compete for absorption — if combining both at high levels, use chelated forms of each and consider split dosing across the day.
    Every shipment includes: Certificate of Analysis (COA) with chelate assay, elemental Mg content, and identification; heavy metals report (Pb, As, Hg, Cd); microbial safety report (TPC, E.coli, Salmonella, Yeast & Mould); MSDS; Phytosanitary Certificate; and full export documentation. Allergen-free declarations, GMO statements, and Halal/Kosher certificates available on request.
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