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Nutricost

Nutricost Magnesium Glycinate Powder

  • Magnesium
  • Powder
  • Magnesium
  • 8.8 ounces
4.3/ 5 on Amazon1,400Amazon ratings4,000+bought last month4.3ProductDome score
High confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou want to control your own magnesium dose with an unflavored powder you can mix into a drink.

An unflavored magnesium glycinate powder in a 250 gram container, best suited to people who prefer measuring their own dose over a fixed-capsule product.

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ProductDome scorecard

How it ranks among the 108 magnesium we track

4.3/ 5ProductDome scoreHigh confidence
Owner satisfaction · 56% of scorecategory median 4.6★4.3

4.3★ across 1,400 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 4,350 ratings3.9

1,400 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score4.9

4,000+ bought on Amazon last month.

Data quality · 11% of score3.8

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

Nutricost's Magnesium Glycinate Powder is an unflavored magnesium supplement sold in a 250 gram (8.8185 ounce) container, formulated gluten-free.

As a powder rather than a capsule, this format lets the dose be measured out and mixed into water or a drink instead of swallowing a fixed pill count, though the listing does not specify a serving size in grams. Glycinate is a bonded form of magnesium, distinct from oxide or citrate versions sold elsewhere.

  • Magnesium glycinate powder
  • 250 grams (8.8185 oz) container
  • Unflavored
  • Gluten-free

Who it's for

Fits people who want to control their own magnesium dose by scoop rather than fixed capsules, and who prefer unflavored powder they can mix into whatever they are already drinking. Not for anyone who wants pre-measured capsules or a flavored drink mix.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Unflavored, mixes into any drink
  • Powder lets you adjust your own dose
What to check first
  • No serving size in grams listed in the attributes
  • Requires measuring and mixing rather than a fixed capsule

Performance notes

The powder is unflavored magnesium in glycinate form, sold by weight at 250 grams rather than by capsule count. Being gluten-free, it avoids a common allergen found in some powder-based supplement fillers.

Specifications

BrandNutricost
ModelNTC132102
FormPowder
Supplement TypeMagnesium
Count8.8 ounces
BenefitsGluten Free
FlavorUnflavored
DietGluten Free

How it compares

This product against the closest alternatives we track in magnesium.

ProductAmazon ratingRatingsProductDome score
Nutricost Magnesium Glycinate PowderThis product4.3 / 51,4004.3 / 5
Nature Made Magnesium Oxide 250 mgNATURE4.7 / 534,5004.6 / 5
NaturalSlim MagicMag Magnesium Citrate Powder for StressNaturalSlim4.7 / 526,7004.6 / 5
NOW Supplements, Magnesium Citrate, Enzyme Function*, Nervous System Support*, 120 Veg…Now4.7 / 525,2004.6 / 5
Life Extension Magnesium CapsLife4.7 / 516,7004.6 / 5
Frequently asked

Questions about the Nutricost NTC132102

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What form does this magnesium supplement come in?

A powder, meant to be measured and mixed rather than taken as a capsule.

Is it flavored?

No, it is unflavored.

How much does one container hold?

250 grams, listed as 8.8185 ounces.