Oxide Magnesium

price per 10 g How we compare

Citrate, oxide and bisglycinate are different compounds. Select one to compare prices for the same amount of elemental magnesium. Blends have no shared unit-price ranking.

Cheapest right now: $2.77 per 10 g — Swiss Natural – Magnesium Oxide. $10.66 per 10 g median of 12 in-stock listings.

Comparison amounts, not recommended doses. ~ marks an estimate.

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12 products

Highlight rulesUpdated Oct 8, 2026

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Product	$ / 10 g ▲	Active %	Dose	Package		Size	Form	Type	Rating · Reviews
Swiss Natural – Magnesium Oxide, 420mg \| High Potency & Absorption – Normal Heart Function, Nervous system, Bone Formation & Muscle Health \| Non-GMO, Gluten Free \| No Added Preservatives \| 90 Tablets Oxide 90 tabs · 45 srv · 4.5 / 5 Size, dose & details Category Magnesium · Oxide Dose per serving ~420 mg Size 90 tabs · 45 srv Form Tablets Reviews 316 Availability In stock	~$2.77per 10 g magnesiumBest value (est.)	—	~420 mg	$5.24Package price	Price drop alert Swiss Natural – Magnesium Oxide, 420mg \| High Potency & Absorption – Normal Heart Function, Nervous system, Bone Formation & Muscle Health \| Non-GMO, Gluten Free \| No Added Preservatives \| 90 Tablets — $5.24 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	90 tabs · 45 srv	Tablets	Oxide	4.5 (316)
Jamieson Magnesium & Ashwagandha with GABA, Promotes Relaxation, Stress Relief, Sleep Support, Improves Memory, Support Muscle Function, Vegetarian, NON-GMO, Oxide Free, 130 Capsules Oxide 130 caps · 65 srv · 4.8 / 5 Size, dose & details Category Magnesium · Oxide Dose per serving ~300 mg Size 130 caps · 65 srv Form Capsules Reviews 51 Availability In stock	~$9.22per 10 g magnesium	—	~300 mg	$17.97Package price	Price drop alert Jamieson Magnesium & Ashwagandha with GABA, Promotes Relaxation, Stress Relief, Sleep Support, Improves Memory, Support Muscle Function, Vegetarian, NON-GMO, Oxide Free, 130 Capsules — $17.97 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	130 caps · 65 srv	Capsules	Oxide	4.8 (51)
Natural Factors Magnesium Oxide 250mg 90 Caplets Oxide 90 tabs · 45 srv · 4.5 / 5 Size, dose & details Category Magnesium · Oxide Dose per serving ~250 mg Size 90 tabs · 45 srv Form Tablets Reviews 12 Availability In stock	~$10.66per 10 g magnesium	—	~250 mg	$11.99Package price	Price drop alert Natural Factors Magnesium Oxide 250mg 90 Caplets — $11.99 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	90 tabs · 45 srv	Tablets	Oxide	4.5 (12)
Swiss Natural – Magnesium Oxide, 835mg \| High Potency & Absorption – Normal Heart Function, Nervous system, Bone Formation & Muscle Health \| Non-GMO, Gluten Free \| No Added Preservatives \| 90 Tablets Oxide 90 tabs · 45 srv · 4.5 / 5 Size, dose & details Category Magnesium · Oxide Dose per serving ~300 mg Size 90 tabs · 45 srv Form Tablets Reviews 232 Availability In stock	~$10.96per 10 g magnesium	—	~300 mg	$14.79Package price	Price drop alert Swiss Natural – Magnesium Oxide, 835mg \| High Potency & Absorption – Normal Heart Function, Nervous system, Bone Formation & Muscle Health \| Non-GMO, Gluten Free \| No Added Preservatives \| 90 Tablets — $14.79 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	90 tabs · 45 srv	Tablets	Oxide	4.5 (232)
NOW Supplements, Magnesium Oxide, Enzyme Function, Nervous System Support, 227g Oxide 227 g · 2 srv · 4.5 / 5 Active %: 0.1% Size, dose & details Category Magnesium · Oxide Dose per serving 100 mg Size 227 g · 2 srv Form Powder Reviews 108 Availability In stock	$922.00per 10 g magnesium	0.1%	100 mg	$18.44Package price	Price drop alert NOW Supplements, Magnesium Oxide, Enzyme Function, Nervous System Support, 227g — $18.44 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	227 g · 2 srv	Powder	Oxide	4.5 (108)
NATURE'S BOUNTY Magnesium Oxide 500Mg Pills, 100 Tablets, 147.7 g Oxide 148 g · 50 srv · 4.6 / 5 Size, dose & details Category Magnesium · Oxide Dose per serving ~— Size 148 g · 50 srv Form Tablets Reviews 1,082 Availability In stock	—per 10 g magnesium	—	—	$9.74Package price	Price drop alert NATURE'S BOUNTY Magnesium Oxide 500Mg Pills, 100 Tablets, 147.7 g — $9.74 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	148 g · 50 srv	Tablets	Oxide	4.6 (1.1K)
Magnesium Oxide for Horses 2 Pack - Two 1 kg Pouches - Single Ingredient Equine Magnesium Supplement Powder, Plain Magnesium Oxide for Forage Fed Horses, Made in Canada Oxide 2× · 2 kg Size, dose & details Category Magnesium · Oxide Dose per serving ~300 mg Size 2× · 2 kg Form Powder Reviews — Availability In stock	—per 10 g magnesium	—	~300 mg	$36.99Package price	Price drop alert Magnesium Oxide for Horses 2 Pack - Two 1 kg Pouches - Single Ingredient Equine Magnesium Supplement Powder, Plain Magnesium Oxide for Forage Fed Horses, Made in Canada — $36.99 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	2× · 2 kg	Powder	Oxide	—
Magnesium Oxide for Horses 1 kg - Single Ingredient Equine Magnesium Supplement Powder, Plain Magnesium Oxide Horse Supplement for Forage Fed Horses, Resealable 1 kg Pouch, Made in Canada Oxide 1 kg Size, dose & details Category Magnesium · Oxide Dose per serving ~300 mg Size 1 kg Form Powder Reviews — Availability In stock	—per 10 g magnesium	—	~300 mg	$20.99Package price	Price drop alert Magnesium Oxide for Horses 1 kg - Single Ingredient Equine Magnesium Supplement Powder, Plain Magnesium Oxide Horse Supplement for Forage Fed Horses, Resealable 1 kg Pouch, Made in Canada — $20.99 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	1 kg	Powder	Oxide	—
Magnesium Oxide for Horses 5 kg - Single Ingredient Equine Magnesium Supplement Powder, Plain Magnesium Oxide Horse Supplement for Forage Fed Horses, Bulk 5 kg Pail, Made in Canada Oxide 5 kg Size, dose & details Category Magnesium · Oxide Dose per serving ~300 mg Size 5 kg Form Powder Reviews — Availability In stock	—per 10 g magnesium	—	~300 mg	$64.99Package price	Price drop alert Magnesium Oxide for Horses 5 kg - Single Ingredient Equine Magnesium Supplement Powder, Plain Magnesium Oxide Horse Supplement for Forage Fed Horses, Bulk 5 kg Pail, Made in Canada — $64.99 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	5 kg	Powder	Oxide	—
Magnesium Oxide Rods - 2pcs MGO Ceramic Parts for Industrial Applications, Fire Resistant & Durable(5x100mm) Oxide — Size, dose & details Category Magnesium · Oxide Dose per serving ~300 mg Size — Form Capsules Reviews — Availability In stock	—per 10 g magnesium	—	~300 mg	$44.53Package price	Price drop alert Magnesium Oxide Rods - 2pcs MGO Ceramic Parts for Industrial Applications, Fire Resistant & Durable(5x100mm) — $44.53 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	—	Capsules	Oxide	—
Magnesium Oxide Crystal Particles - MgO Single Crystal Wafers for Laboratory Use,1pcs(100gram1~5mm) Oxide — Size, dose & details Category Magnesium · Oxide Dose per serving ~300 mg Size — Form Capsules Reviews — Availability In stock	—per 10 g magnesium	—	~300 mg	$288.10Package price	Price drop alert Magnesium Oxide Crystal Particles - MgO Single Crystal Wafers for Laboratory Use,1pcs(100gram1~5mm) — $288.10 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	—	Capsules	Oxide	—
Premium Magnesium Oxide Single Crystal Substrate - MgO Wafer, 1-Side Polished, for Advanced Research Applications(5 * 5 * 0.5mm) Oxide — Size, dose & details Category Magnesium · Oxide Dose per serving ~300 mg Size — Form Capsules Reviews — Availability In stock	—per 10 g magnesium	—	~300 mg	$44.27Package price	Price drop alert Premium Magnesium Oxide Single Crystal Substrate - MgO Wafer, 1-Side Polished, for Advanced Research Applications(5 * 5 * 0.5mm) — $44.27 One email when this listing gets at least 5% cheaper than the last price you were shown. Nothing else, ever. We first send one confirmation email — the alert only starts once you click the link in it. Every email has a one-click unsubscribe.	—	Capsules	Oxide	—

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