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Micronized L-Glutamine 1000 mg

Natural Factors
4.8
★ ★ ★ ★ ★
(1912 ratings)
Glutamine 1000 mg
Product Image
Score93

A high-strength, micronized L-glutamine capsule that supports the gut lining with improved solubility and convenient dosing.

How scoring works
Quantity:90 Capsule(s) • (90 servings)
Goals:

Score 93

A high-strength, micronized L-glutamine capsule that supports the gut lining with improved solubility and convenient dosing.

How scoring works

Also available as

2 options
500.00mg • 90 Capsule(s) servings Glutamine 500 mg • 90 Capsule(s) • 90 servings $10.47 ($0.11 per serving) 180 servings Glutamine 1000 mg • 180 Capsule(s) • 180 servings $24.47 ($0.13 per serving)
$13.97($0.15 per serving)
Vitacost
$ 13.97
Amazon
$ 14.50
Walmart
$ 13.97
iHerb
$ 13.97
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Analysis

The micronized form of L-glutamine in these capsules is designed to support better solubility and availability for the gut lining. Each capsule provides 1000 mg, making it easier to meet moderate daily goals compared to lower-strength options. This is especially useful for individuals focused on supporting their intestinal barrier integrity.

By using a larger dose per unit, you can simplify your daily routine while still getting a meaningful amount of this essential amino acid. It is a clean formula that focuses entirely on gut and immune support without extra additives. This fits well for someone looking for efficiency and high-quality raw materials.

Pros

  • Micronized for better solubility
  • High 1000 mg dose per capsule
  • Fewer capsules needed per day
  • Supports intestinal barrier
  • Clean ingredient profile

Cons

  • Larger capsule size
  • More expensive than basic powders
  • Limited to 90 servings

Warnings

  • Check for sensitivity to amino acids
  • Keep out of direct sunlight
  • Maintain consistent daily intake

Nutrient quality

90 Highest impact

Micronized forms generally offer improved physical characteristics for supplement utilization. A 1,000 mg dose provides a more meaningful contribution toward daily requirements than lower-strength capsules.

Ingredient transparency

97 Highest impact

Complete disclosure of the micronized active ingredient provides clarity for the consumer. Simple serving instructions and specific naming conventions support a high level of transparency.

Customer satisfaction

94 Highest impact

Consistent positive ratings from a large number of users indicate high satisfaction with quality and results. A high average score across nearly 2,000 reviews suggests reliable product performance.

Value for money

90 Highest impact

The cost per 1,000 mg serving is competitive, especially considering the premium micronized form. Good value is provided for those who prefer the convenience of capsules over powder.

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Ingredients

IngredientAmount per serving
L-Glutamine, Micronized
1000 mg
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free Vegetarian
Report overview
Glutamine · 1000 mg OverallScore73
B- Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyB- Value
This capsule-based supplement features micronized L-glutamine to support amino acid availability. It provides a solid 1,000mg dose per capsule, making it easier to reach higher supplemental targets. It is an excellent choice for individuals who prefer the convenience of capsules over powders.
View ingredientView products
94 Value

Micronized L-Glutamine 1000 mg

Natural Factors
4.8
★★★★★
(1912 ratings)
Moving to this larger bottle size of the same micronized 1,000 mg capsules offers a lower cost per serving for long-term users. It maintains the high bioavailability of the micronized form while improving overall value.
Other sellers (2)
94 Value

Glutamine 300

PS ProSupps
4.6
★★★★★
(629 ratings)
Providing 4,500 mg of pure glutamine per scoop makes this powder a significantly better value for those needing higher doses. It eliminates the need to take four or five capsules to reach therapeutic levels.
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92 Value

L-Glutamine

Jarrow Formulas
4.7
★★★★★
(1613 ratings)
Picking these veggie capsules offers a cleaner delivery format at a more competitive price per serving. The 750 mg dose is still substantial and provides high-purity L-glutamine for daily gut maintenance.
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GI-Revive

Designs for Health
4.8
★★★★★
(239 ratings)
Selecting a multi-nutrient blend like this provides much broader support for the gastrointestinal tract than glutamine alone. Ingredients such as deglycyrrhizinated licorice and quercetin work together to maintain a healthy gut barrier.
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91 Performance

IntestiNew

Renew Life
4.8
★★★★★
(7096 ratings)
Combining a high 5,000 mg dose of glutamine with N-acetyl D-glucosamine provides the building blocks necessary for mucosal health. This formulation offers a more robust approach to supporting intestinal integrity than standard capsules.
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Theracurmin & L-Glutamine

Natural Factors CurcuminRich
4.7
★★★★★
(364 ratings)
Opting for micronized glutamine paired with bioavailable curcumin supports tissue repair and a balanced inflammatory response simultaneously. This clinical-strength powder is far more effective for intensive digestive support than a single gram of amino acid.
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L-Glutamine 500 mg

Swanson
4.7
★★★★★
(2726 ratings)
Opting for this simple 500 mg capsule provides a more affordable entry point for daily maintenance. It is a suitable choice for those who do not require a full 1,000 mg dose in every single unit.
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Pharmaceutical Grade AjiPure L-Glutamine 500 mg

Swanson Ultra
4.7
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(599 ratings)
Using a highly purified AjiPure source provides exceptional quality while lowering the cost per serving. This pharmaceutical-grade ingredient is often preferred by those with high sensitivities to supplement additives.
Other sellers (1)
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L-Glutamine

Jarrow Formulas
4.7
★★★★★
(6157 ratings)
Selecting these 1,000 mg tablets delivers the same potency as the original capsule at a more economical price point. It maintains a clean, single-ingredient profile to support focused intestinal and metabolic goals.
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94 Value

Micronized L-Glutamine 1000 mg

Natural Factors
4.8
★★★★★
(1912 ratings)
Moving to this larger bottle size of the same micronized 1,000 mg capsules offers a lower cost per serving for long-term users. It maintains the high bioavailability of the micronized form while improving overall value.
Other sellers (2)
94 Value

Glutamine 300

PS ProSupps
4.6
★★★★★
(629 ratings)
Providing 4,500 mg of pure glutamine per scoop makes this powder a significantly better value for those needing higher doses. It eliminates the need to take four or five capsules to reach therapeutic levels.
Other sellers (2)
92 Value

L-Glutamine

Jarrow Formulas
4.7
★★★★★
(1613 ratings)
Picking these veggie capsules offers a cleaner delivery format at a more competitive price per serving. The 750 mg dose is still substantial and provides high-purity L-glutamine for daily gut maintenance.
Other sellers (4)
94 Performance

GI-Revive

Designs for Health
4.8
★★★★★
(239 ratings)
Selecting a multi-nutrient blend like this provides much broader support for the gastrointestinal tract than glutamine alone. Ingredients such as deglycyrrhizinated licorice and quercetin work together to maintain a healthy gut barrier.
Other sellers (1)
91 Performance

IntestiNew

Renew Life
4.8
★★★★★
(7096 ratings)
Combining a high 5,000 mg dose of glutamine with N-acetyl D-glucosamine provides the building blocks necessary for mucosal health. This formulation offers a more robust approach to supporting intestinal integrity than standard capsules.
Other sellers (4)
91 Performance

Theracurmin & L-Glutamine

Natural Factors CurcuminRich
4.7
★★★★★
(364 ratings)
Opting for micronized glutamine paired with bioavailable curcumin supports tissue repair and a balanced inflammatory response simultaneously. This clinical-strength powder is far more effective for intensive digestive support than a single gram of amino acid.
Other sellers (0)
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