
Nature Made Magnesium Oxide 250 mg
- Magnesium
- Tablet
- Magnesium Oxide
- 200
- Better rated than 62%
- More reviewed than 96%
A single-ingredient 250 mg magnesium oxide tablet sized for a 200 day one-a-day supply.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 108 magnesium we track
4.7★ across 34,500 Amazon ratings, Bayesian-smoothed toward the category average.
34,500 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
10,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 108 magnesium we track - how the scorecard works · full magnesium data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A magnesium oxide tablet at 250 mg per serving, positioned to support muscle, heart, bone and nerve function. 200 tablets sized as a 200 day supply, gluten free.
Nature Made positions this as a plain single-ingredient magnesium tablet, and the 200-tablet count matching a 200 day supply confirms the serving size without needing extra label detail: one tablet daily.
- 250 mg magnesium oxide per tablet
- 200 tablets, a 200 day supply
- Gluten free
- Supports muscle, heart, bone and nerve function
Who it's for
Fits anyone wanting a plain, one-a-day magnesium oxide tablet from an established brand without added flavors or ingredients. Not the pick for someone who wants magnesium glycinate or citrate, forms some people find gentler on digestion than magnesium oxide.
Strengths and trade-offs
Drawn from this product's published specifications.
- 200 day supply at one tablet daily
- Supports several standard magnesium-linked functions
- Magnesium oxide absorbs less than some other forms
- Unflavored, no added ingredients
Performance notes
Magnesium oxide is one of the more common and lower-cost magnesium forms, and the listing ties it to muscle, heart, bone and nerve function support along with energy metabolism, standard associations with magnesium status generally. The 200 count matching a 200 day supply confirms this is a one tablet per day product.
Specifications
| Brand | NATURE |
|---|---|
| Model | 1718 |
| Form | Tablet |
| Supplement Type | Magnesium Oxide |
| Count | 200 |
| Benefits | Bone Support, Heart Function, Nerve Function, Energy Metabolism Support |
| Flavor | Unflavored |
| Diet | Gluten Free |
| Allergens | Gluten Free |
How it compares
This product against the closest alternatives we track in magnesium.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Nature Made Magnesium Oxide 250 mgThis product | 4.7 / 5 | 34,500 | 4.7 / 5 |
| NaturalSlim MagicMag Magnesium Citrate Powder for StressNaturalSlim | 4.7 / 5 | 26,700 | 4.6 / 5 |
| NOW Supplements, Magnesium Citrate, Enzyme Function*, Nervous System Support*, 120 Veg…Now | 4.7 / 5 | 25,200 | 4.6 / 5 |
| Life Extension Magnesium CapsLife | 4.7 / 5 | 16,700 | 4.6 / 5 |
| Pure Encapsulations MagnesiumPURE | 4.7 / 5 | 13,600 | 4.6 / 5 |
Questions about the NATURE 1718
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How much magnesium is in each Nature Made tablet?
250 mg of magnesium oxide per tablet.
How long does one bottle last?
200 tablets are sized as a 200 day supply, one tablet per day.
Is this magnesium supplement gluten free?
Yes, per the label.






