Magnesium 400mg [High Potency] Supplement - Magnesium Oxide for Immune Support, Muscle Recovery, Leg Cramps and Relaxation 120 Tablets Review

4.6 (8,100) Amazon rating$8.7510,000+ bought last month

Our verdict

This 400mg high potency magnesium oxide tablet is sold in a 120 count bottle for under $9, one of the lower prices in this roundup. A 4.6 rating from about 8,100 reviews and roughly 10,000 units bought last month point to strong demand for a budget option.

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Best for

Buyers who want a simple, low-cost magnesium oxide tablet without extra ingredients or specialty forms.

Skip if

You are specifically looking for a chelated form like glycinate or citrate, which some buyers find easier on digestion than oxide.

  • Form Tablet
  • Count 120 Count
  • Flavor Unflavored
  • Type Calcium, Magnesium, Potassium
  • Benefits Immune Support
  • Allergens Gluten Free
  • Priced 60% below the category median ($21.67 across 108 tracked models)

Pros

  • Low price point at about $8.75 for 120 tablets
  • High 400mg potency per tablet as stated on the label
  • Strong 4.6 rating from about 8,100 reviews
  • Very high recent purchase volume, about 10,000 units in the past month
  • Gluten free label claim

Cons

  • Magnesium oxide form, a type some buyers find less easily absorbed than chelated forms like glycinate
  • No flavor or capsule alternative, tablet form only
  • Fewer stated forms of magnesium compared to multi-form blends elsewhere in this lineup

Our scorecard

4.6/5 overall
  • Owner rating4.6/5

    4.6 average across 8,100 owner ratings

  • Popularity3.6/5

    8,100 owner reviews, more than most models here

The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other home health monitors: bathroom scales, blood pressure monitors, pregnancy and ovulation tests, thermometers, body composition monitors, stethoscopes, glucose monitors and pulse oximeters we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.

Overview

['This magnesium supplement is a 400mg high potency tablet made with magnesium oxide, sold in a 120 count bottle for about $8.75. It is priced well below many of the chelated and multi-form magnesium products in this category.', 'The maker markets this tablet for immune support, muscle recovery, leg cramps and relaxation. These are manufacturer statements rather than clinical claims, and this page cannot say whether the product will have any particular effect for a given person.', 'With a 4.6 rating from about 8,100 reviews and roughly 10,000 units bought in the past month, this is one of the most actively purchased products in this lineup. As with any supplement, checking in with a healthcare professional before starting is worthwhile, particularly given the high stated potency.']

Specifications

FormTablet
Count120 Count
FlavorUnflavored
TypeCalcium, Magnesium, Potassium
BenefitsImmune Support
AllergensGluten Free

Performance notes

This is a 400mg high potency magnesium oxide tablet, unflavored, sold in a 120 count bottle. The maker markets it for immune support, muscle recovery, leg cramp relief and relaxation, claims that have not been evaluated by the FDA. The product is labeled gluten free.

What buyers say

A 4.6 rating from about 8,100 reviews, together with roughly 10,000 units bought in the past month, makes this one of the more heavily purchased magnesium products in this lineup.

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More from Magnesium

Similar home health monitors: bathroom scales, blood pressure monitors, pregnancy and ovulation tests, thermometers, body composition monitors, stethoscopes, glucose monitors and pulse oximeters to consider

Frequently asked questions

What form of magnesium is in this tablet?

Per the label, this is magnesium oxide, delivered at 400mg high potency per tablet.

Is this product gluten free?

Yes, the label carries a gluten free claim.

How many tablets are in one bottle?

Each bottle contains 120 tablets. Follow the serving directions on the label, and talk to a healthcare professional if you have questions about how it fits your routine.

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