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L-Glutamine 500 mg

Life Extension
4.7
★ ★ ★ ★ ★
(3503 ratings)
Glutamine 500 mg
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Score91

A high-quality, 500 mg L-glutamine capsule that provides clean and reliable support for intestinal and immune health.

How scoring works
Quantity:100 Capsule(s) • (100 servings)
Goals:

Score 91

A high-quality, 500 mg L-glutamine capsule that provides clean and reliable support for intestinal and immune health.

How scoring works
$11.25($0.11 per serving)
iHerb
$ 11.25
Amazon
$ 20.25
Vitacost
$ 11.25
Pure Formulas
$ 11.25
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Analysis

These capsules provide 500 mg of L-glutamine, focusing on purity and simplicity. It is an ideal dose for general daily maintenance, helping to support the cells that line your digestive tract. The single-ingredient formula ensures you aren't getting any unnecessary fillers or additives.

The capsule format is convenient for daily use and offers consistent dosing. It fits well into a broad range of wellness routines, providing foundational support for metabolic balance. This is a solid choice for someone who values high manufacturing standards and clean labeling.

Pros

  • Clean, single-ingredient formula
  • Supports intestinal cell health
  • Easy to incorporate into daily routines
  • Consistent dosing
  • Reliable brand quality

Cons

  • Lower dose per capsule
  • Requires many capsules for high intake
  • Standard 100-count bottle

Warnings

  • Keep away from children
  • Best taken on an empty stomach
  • Maintain consistent daily use

Nutrient quality

81 Highest impact

Standard L-Glutamine is used to provide reliable fuel for intestinal cells and the immune system. A 500 mg dose is suitable for basic maintenance but is lower than the amounts typically used in acute repair protocols.

Ingredient transparency

97 Highest impact

High transparency is maintained through clear labeling and the absence of any hidden blends. Straightforward instructions and specific ingredient naming make the supplement easy to evaluate and use correctly.

Customer satisfaction

93 Highest impact

Excellent ratings from a massive review base demonstrate high consumer trust and product reliability. Users consistently report satisfaction with the quality and effectiveness of this supplement for their needs.

Value for money

91 Highest impact

The pricing is competitive and provides good value for a high-quality capsule from a reputable brand. It is an affordable and reliable option for daily L-Glutamine supplementation.

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Ingredients

IngredientAmount per serving
L-Glutamine
500 mg
Adults 18–50
Report overview
Glutamine · 500 mg OverallScore62
B- Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyB- Value
This capsule provides a modest 500mg dose of L-glutamine for general maintenance of intestinal and immune health. It is a good choice for those who prefer high-quality single-ingredient supplements in a small, easy-to-swallow format. For significant gut-healing protocols, multiple capsules would be needed to reach clinical levels.
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Micronized L-Glutamine 1000 mg

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Opting for a micronized 1,000 mg capsule improves the dosage and potentially the ease of digestion compared to standard 500 mg capsules. It offers a more efficient delivery system at an excellent price point for consistent users.
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