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Micronized L-Glutamine 500 mg

Natural Factors
4.7
★ ★ ★ ★ ★
(594 ratings)
Glutamine 500 mg
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Score79
Micronized glutamine is clearly disclosed, but the 500 mg capsule is best for small servings rather than a high-intake routine.
How scoring works
Quantity:90 Capsule(s) • (90 servings)
Goals:

Score 79

Micronized glutamine is clearly disclosed, but the 500 mg capsule is best for small servings rather than a high-intake routine.
How scoring works
$10.47($0.11 per serving)
iHerb
$ 10.47
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Analysis

A capsule supplies 500 mg of micronized L-glutamine, giving precise but small serving increments. Several capsules are needed to build a multi-gram daily intake, which reduces convenience.

Micronized processing is a useful disclosure for an otherwise simple single-active formula. No premium purity grade is named, and the low unit amount limits the practical benefit of the processing detail.

Cost efficiency is reasonable for someone using one or two capsules at a time. People aiming for larger servings are likely to find a 1 g capsule or powder easier to use.

Who is it for
  • People who prefer small serving increments
  • Capsule users with modest intake needs
Best for
  • Low-dose routines
  • Gradual serving adjustments

Pros

  • Micronized L-glutamine is identified
  • Simple single-active formula
  • Allows small dose adjustments

Cons

  • Only 500 mg per capsule
  • High pill burden for multi-gram use
  • No stated premium purity grade

Nutrient quality

83 Highest impact

Micronized processing is a useful quality feature, though no premium purity grade is stated; the amount per capsule is modest and requires several capsules for targeted use. The disclosed glutamine amount is not unnecessarily aggressive; l-glutamine directly fits a single-ingredient glutamine supplement; the single-active formula contains no filler ingredients.

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Ingredient transparency

78 High impact

Every listed active has a specific amount; no proprietary blend hides key doses. The active and micronized processing are specific, while sourcing and purity are not described; serving directions and inactive ingredients are not supplied.

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Customer satisfaction

72 High impact

The supplied aggregate average is favorable, though no individual feedback is available; the large rating sample improves confidence in the aggregate average, but no individual feedback is supplied. Detailed feedback is absent, so repeated complaints cannot be assessed; real-world fit with the intended purpose remains uncertain.

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Value for money

84 Highest impact

Micronized processing partly supports the price; the modest amount makes effective daily use only moderately economical. The single-active formula contains no filler ingredients; higher-dose capsules can provide better convenience at similar cost.

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Ingredients

IngredientAmount per serving
L-Glutamine, Micronized
500 mg
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free Vegetarian
Report overview
Glutamine · 500 mg OverallScore62
B- Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyB- Value
The micronized L-glutamine is clearly labeled, although no premium purity grade is stated. A serving is modest, so several capsules are needed to reach a commonly targeted daily amount. Cost per gram is moderate for a straightforward single-ingredient option.
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