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Magnesium

Magnesium is one of the most widely needed — and widely deficient — minerals in the modern diet. It acts as a cofactor in over 300 enzyme reactions, with central roles in energy (ATP) production, muscle and nerve function, the nervous system and a healthy stress response. Because around 99% of the body's magnesium sits inside cells rather than in the blood, the form you choose matters as much as the dose — different forms are absorbed differently and suit different goals. Our magnesium collection brings together every major form, so you can match the product to the need.

Choosing a form of magnesium

The form determines both how well magnesium is absorbed and what it's best suited to:

  • Magnesium glycinate — bound to the calming amino acid glycine; a popular evening choice for sleep, stress and muscle relaxation, and gentle on digestion.
  • Magnesium citrate — a well-absorbed organic form (used in clinically trialled preparations like Diasporal®) suited to general repletion and energy; also supports bowel regularity.
  • Magnesium orotate — the orotate carrier helps deliver magnesium into cells and toward the mitochondria, favoured for heart and cardiovascular support.
  • Magnesium threonate — studied for crossing into the brain, a choice for cognitive support.

Who may benefit

People with high stress loads, disrupted sleep, muscle tightness or cramps, low energy, or simply a magnesium-poor diet. Magnesium is also a key cofactor for activating vitamin D, so it's often paired with a D supplement.

Frequently asked questions

Which magnesium is best for sleep? Glycinate is the usual choice for evening use, as glycine itself is calming; threonate is another option for the mind. Many find magnesium pairs well with sleep-support herbs.
Which form for muscle cramps or tension? Glycinate and citrate are commonly used for muscle and neuromuscular support.
How much magnesium should I take? This depends on the form, your diet and your needs — if you're unsure, check with your healthcare professional.

Browse our full magnesium collection below. For energy-focused support, see also Energy; for stress, Adrenal & Nervous System Support. Always read the label and use only as directed. If symptoms persist, consult your healthcare professional.

  • Naturobest Calcium And Magnesium Plus K2 And D3 300g

    $64.93

    NaturoBest’s high potency calcium and magnesium powder with vitamins K2 & D3 is designed for all life stages from kids over 2 years, teenagers,...

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    $64.93

  • Naturobest Calcium And Magnesium Plus K2 And D3 150g

    $45.00

    High potency calcium and magnesium powder with co-factors vitamins K2 & D3. Designed for all life stages from kids over 2 years, teenagers, yo...

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    $45.00
  • Save 19%

    Herbs Of Gold Children's Magnesium Care Chewable 60t

    $23.50
    $19.10

    Herbs of Gold Children's Magnesium Care is a delicious strawberry-vanilla flavoured chewable tablet that contains magnesium to support nervous syst...

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    $23.50
    $19.10
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  • H.blooms Tri Magnesium Citrate 900mg 150c

    $34.56

    Henry blooms Tri-Magnesium Citrate 900mg is specially formulated for the prevention and treatment of Magnesium deficiencies. It supports bone heal...

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    $34.56

  • Green Nutritionals Marine Magnesium Ocean Source 120c

    $45.00

    A natural form of Magnesium derived from the clean, mineral-rich seawater off the Irish Atlantic coast, with a multi-mineral matrix of 74 pure pla...

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    $45.00
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    Herbs of Gold Ultra Zinc +

    $29.95
    $25.45

    High strength elemental zinc Herbs of Gold Ultra Zinc + contains high-strength zinc that is organically bound to support absorption, with cofactors...

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    $29.95
    $25.45
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  • Zea Active Magnesium Oil Topical Spray 200ml

    $37.95

    Details Zea’s Magnesium Oil Topical Spray is a highly concentrated form of Magnesium brine extracted in its natural form from the earth. A grea...

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    $37.95
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    Herbs Of Gold Magnesium Night 120t

    $59.95
    $50.95

     Product Attributes  Additional Information Brand: HERBS OF GOLD

    $59.95
    $50.95
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  • Herbs Of Gold Magnesium Citrate 900 60vc

    $34.50

     Product InformationHerbs of Gold Magnesium Citrate 900 provides an organic form of magnesium to maintain healthy muscle contraction function and...

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    $34.50