Magnesium Oxide

(14 products)
Go Magnesium 800 - High Dose Muscle & Nerve Support
GO Healthy

go magnesium 800

Regular price From $28.70
Regular price Sale price From $28.70
Magnesium Complete 400
Nutra-Life

magnesium complete 400

Regular price From $16.60
Regular price Sale price From $16.60
Calcium Magnesium Plus Zinc
Solgar

calcium magnesium plus zinc

Regular price From $20.80
Regular price Sale price From $20.80
Bio Magnesium
Blackmores

bio magnesium

Regular price From $14.80
Regular price Sale price From $14.80
Magnesium with Vitamin B6
Solgar

magnesium with vitamin b6

Regular price $18.30
Regular price Sale price $18.30
Calcium Magnesium Plus Boron
Solgar

calcium magnesium plus boron

Regular price $20.80
Regular price Sale price $20.80
Zinc, B6 & Magnesium
Red Seal

zinc, b6 & magnesium

Regular price $11.50
Regular price Sale price $11.50
Calcium Magnesium
Nature's Sunshine

calcium magnesium

Regular price $42.30
Regular price Sale price $42.30
Good Magnesium Relax Muscle De-Stress
The Good Vitamin Co. Ltd

good magnesium relax muscle de-stress

Regular price $11.80
Regular price Sale price $11.80
Magnesium
Nature's Sunshine

magnesium

Regular price $41.50
Regular price Sale price $41.50
Coral Cal-Mag
BioTrace

coral cal-mag

Regular price $56.20
Regular price Sale price $56.20
Magnesium 400mg High Strength
Healtheries

magnesium 400mg high strength

Regular price From $16.60
Regular price Sale price From $16.60
Calcium & Magnesium + Vitamin D
Healtheries

calcium & magnesium + vitamin d

Regular price $11.20
Regular price Sale price $11.20
High Strength Magnesium 1-A-Day
Nature's Way

high strength magnesium 1-a-day

Regular price $21.70
Regular price $26.10 Sale price $21.70

Magnesium Oxide

Magnesium is key for maintaining your everyday health and well-being. At HealthPost you’ll find a comprehensive range of magnesium supplements designed to support your body's needs. Whether you want to support calmness, deep sleep, muscle comfort or happy mood, you’ll find a bestselling naturopath-checked range, backed by ethical values.

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Availability
Price
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The highest price is $56.20
Brand
Ingredients
Size
Environmental & Social
Dietary Needs
Category
Age & Gender
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Sort Best selling
  • Go Magnesium 800 - High Dose Muscle & Nerve Support

    Go Magnesium 800 - High Dose Muscle & Nerve Support

    From $28.70

    124 reviews

    GO Healthy

    Go Magnesium 800 - High Dose Muscle & Nerve Support

    120 vegecaps
    From $28.70
  • Magnesium Complete 400

    Magnesium Complete 400

    From $16.60

    87 reviews

    Nutra-Life

    Magnesium Complete 400

    120 capsules
    From $16.60
  • Calcium Magnesium Plus Zinc

    Calcium Magnesium Plus Zinc

    From $20.80

    72 reviews

    Solgar

    Calcium Magnesium Plus Zinc

    100 tablets
    From $20.80
  • Bio Magnesium

    Bio Magnesium

    From $14.80

    25 reviews

    Blackmores

    Bio Magnesium

    50 tablets
    From $14.80
  • Magnesium with Vitamin B6

    Magnesium with Vitamin B6

    $18.30

    13 reviews

    Solgar

    Magnesium with Vitamin B6

    100 tablets
    $18.30
  • Calcium Magnesium Plus Boron

    Calcium Magnesium Plus Boron

    $20.80

    22 reviews

    Solgar

    Calcium Magnesium Plus Boron

    100 tablets
    $20.80
  • Zinc, B6 & Magnesium

    Zinc, B6 & Magnesium

    $11.50

    11 reviews

    Red Seal

    Zinc, B6 & Magnesium

    90 tablets
    $11.50
  • Calcium Magnesium

    Calcium Magnesium

    $42.30

    8 reviews

    Nature's Sunshine

    Calcium Magnesium

    150 tablets
    $42.30
  • Good Magnesium Relax Muscle De-Stress

    Good Magnesium Relax Muscle De-Stress

    $11.80

    4 reviews

    The Good Vitamin Co. Ltd

    Good Magnesium Relax Muscle De-Stress

    15 effervescent tablets
    $11.80
  • Magnesium

    Magnesium

    $41.50

    2 reviews

    Nature's Sunshine

    Magnesium

    180 tablets
    $41.50
  • Coral Cal-Mag

    Coral Cal-Mag

    $56.20

    2 reviews

    BioTrace

    Coral Cal-Mag

    100 capsules
    $56.20
  • Magnesium 400mg High Strength

    Magnesium 400mg High Strength

    From $16.60

    1 reviews

    Healtheries

    Magnesium 400mg High Strength

    200 capsules
    From $16.60
  • Calcium & Magnesium + Vitamin D

    Calcium & Magnesium + Vitamin D

    $11.20

    4 reviews

    Healtheries

    Calcium & Magnesium + Vitamin D

    50 tablets
    $11.20
  • High Strength Magnesium 1-A-Day

    High Strength Magnesium 1-A-Day

    $26.10 $21.70

    Nature's Way

    High Strength Magnesium 1-A-Day

    150 tablets
    $21.70 $26.10

Buy magnesium oxide supplements in NZ

Why magnesium oxide matters

Magnesium is an essential mineral that contributes to many normal functions in the body. It plays a role in hundreds of natural processes, including:

  • Normal energy production
  • Healthy muscle function
  • Nervous system support
  • Electrolyte balance
  • Bone and teeth maintenance

Magnesium oxide is a popular form of magnesium supplement, valued for its high elemental magnesium content. It’s a simple and widely used option for those wanting to support their daily magnesium intake as part of a balanced lifestyle.

Benefits of magnesium oxide

Magnesium supports a wide range of everyday wellbeing needs, including:

  • Muscle function: Magnesium contributes to normal muscle contraction and relaxation, supporting comfortable movement.
  • Nervous system support: Magnesium helps maintain normal nervous system function, especially during busy or demanding times.
  • Energy support: Magnesium plays a role in normal energy metabolism, helping the body convert food into energy.
  • Electrolyte balance: Magnesium contributes to maintaining healthy electrolyte balance, which is important for overall body function.
  • Bone health: Alongside other minerals, magnesium supports the maintenance of normal bones and teeth.

Should I consider magnesium supplementation?

Magnesium is found in foods such as nuts, seeds, legumes and leafy green vegetables. However, dietary intake can vary depending on lifestyle and food choices.

Some people choose magnesium supplements to help support their daily intake, particularly if they feel their diet may not consistently provide enough magnesium. Magnesium oxide can be a convenient option for those wanting a straightforward, high-strength magnesium supplement.

At HealthPost, you’ll find magnesium oxide supplements in a variety of formats, including:

  • Tablets and capsules
  • High-strength daily magnesium formulas
  • Combination blends with other supportive nutrients

We stock a curated range from trusted brands, so you can feel confident in the quality of what you’re choosing.