NOW Foods Magnesium Oxide is a magnesium supplement that helps support energy production, muscle function and nerve health, while offering simple, flexible dosing in a pure powder form. Manufactured in GMP facilities with independent lab testing for purity. Gluten-free and non-GMO, it fits easily into most diets. The powder form means flexible dosing and quick dissolution, drawn from ancient oceanic deposits. That combination reflects NOW Foods' long standing commitment to quality.

Available Sizes & Variants:

227 grams powder - flexible dosing with pure magnesium oxide.

Benefits & Features:

• Supports energy production and muscle function.
• Provides a high magnesium content per serving, making this magnesium supplement a reliable balance for daily needs.
• Pure powder form allows flexible dosing and quick dissolution for busy days.
• GMP production and independent lab testing verify potency and purity, giving you confidence in every scoop.
• NOW Foods' commitment to quality and transparency means you can trust the source and process.

NOW Foods has built a long standing reputation for quality, with packaging and quality testing done in the USA and independent lab testing for purity. The magnesium oxide here is sourced from ancient oceanic deposits, offering a natural mineral origin and high elemental magnesium content, though it's known to be less bioavailable than some forms. Regular use supports energy production, enzyme function, muscle contraction and bone mineralisation, making it a dependable staple in many daily wellness routines. In the wider magnesium category, magnesium glycinate is another common form often discussed for magnesium for sleep.

Magnesium (as Magnesium Oxide), Magnesium (as Magnesium Oxide)

• GTIN: 733739013101
• Manufacturer: NOW Foods
• Categories: Best SellersBlood Pressure SupplementsMagnesium Supplements, Tablets & VitaminsMinerals SupplementsNOW Foods SupplementsPeriod Pain Tablets & ReliefStress Relief & Calming SupplementsSubscribe & Save Products
• Best buy: 6 - 24 months+

United Kingdom & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched next working day).

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging. Subject to T&C's.

Welzo is a UK-based health platform. Orders ship from the UK.

Mix 1 teaspoon (approximately 5 grams) of NOW Foods Magnesium Oxide Pure Powder into water, smoothies, or your favourite beverage. It is recommended to take this supplement in the evening or with meals to enhance absorption. Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Consult a healthcare professional before use if you are pregnant, nursing, taking medication, or have a medical condition.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Magnesium Oxide

Magnesium oxide is a mineral supplement that delivers elemental magnesium essential for many bodily processes. This form comes from ancient marine deposits and is meant for flexible dosing in a plain powder form.

This product is made in a GMP facility and is gluten-free and non-GMO, with independent lab testing for purity and potency, to ensure reliable sourcing and quality.

What Does Magnesium Oxide Do?

Magnesium plays a role in energy production, enzyme activity, muscle contraction, nerve signaling, and bone mineralisation, supporting normal metabolic and neuromuscular function. Dr. Firoz from the University of Calgary says that magnesium may support metabolic and neuromuscular wellness through these avenues.

This version delivers high elemental magnesium content, though its absorption may vary versus other magnesium forms, which fits its traditional use as a flexible, senior-friendly mineral supplement.

This product is not intended to diagnose, treat, cure, or prevent any disease.

NOW Foods takes a science-backed, quality-first approach to minerals, so NOW Foods is a natural pick for Welzo as our supplier partner. The brand is well-known for its strict manufacturing standards, operating in GMP facilities and committing to third-party testing for purity and potency, which lines up with our emphasis on safety and reliability. This standing is backed up by their clear allergen controls and transparency in batch testing, reassuring customers of product integrity.

Our medical team assessed NOW Foods against Welzo’s supplier criteria and found a steady track record of high-quality sourcing, gluten-free and non-GMO designations, and clear disclosure of manufacturing processes. This brand’s heritage of delivering single-ingredient mineral powders allows flexible dosing and fast dissolution, which suits magnesium oxide and its practical use in a pure powder form. To be sure, we lean on our our medical team and our supplement quality standards as the foundation of our assessment.

All said and done, NOW Foods’ production excellence and devotion to purity make them the best partner for this supplement, ensuring product-fit and consistently high standards for Welzo customers.