Product Image

Micronized L-Glutamine 1000 mg

Natural Factors
4.8
(1738 ratings)
Glutamine 1000 mg
Product Image
Score 77.0

Natural Factors Micronized L-Glutamine 1000 mg (180 caps) is a solid choice for glutamine supplementation, offering a good balance of dose, micronized form, and competitive price per effective dose, especially in its larger size.

Quantity: 180 Capsule(s)Servings size: 1 Vegetarian Capsule(s) (180 servings)
Selected goals:
Other goals:
Fitness
Muscle Gain
Digestive Health
Immunity

Score 77.0

Natural Factors Micronized L-Glutamine 1000 mg (180 caps) is a solid choice for glutamine supplementation, offering a good balance of dose, micronized form, and competitive price per effective dose, especially in its larger size.

Quantity: 90Dose: 500mg, Quantity: 90
Analysis

Micronized L-Glutamine 1000 mg by Natural Factors offers L-Glutamine in a micronized form, which can enhance its solubility and potentially improve absorption. This product is beneficial for supporting immune system function, gut integrity, and muscle recovery, especially after strenuous exercise. For effective results in muscle gain or significant digestive support, a daily intake of 5g or more is commonly recommended, meaning five or more capsules would be needed. This larger quantity option provides better value per serving compared to its smaller counterpart, making it a more economical choice for regular users. Online reviews consistently highlight the benefits of micronized glutamine, particularly for post-workout recovery and digestive comfort.

Pros
  • Contains pure L-Glutamine, a well-researched amino acid for its stated goals.
  • Generally well-tolerated with a low risk of side effects at typical dosages.
  • Micronized form may offer improved solubility and absorption.
  • Highly popular with over 1662 reviews, suggesting widespread user acceptance.
  • Larger quantity offers better value per serving compared to smaller pack sizes.
Cons
  • Requires taking multiple capsules to reach the typically recommended daily dosages (e.g., 5g+).
Warnings
  • Consult a healthcare professional before use if pregnant, nursing, have a medical condition, or taking medication.
$24.47($0.13 per serving)
iHerb
$ 24.47
Vitacost
$ 24.47
Amazon
$ 24.47
Ingredients
IngredientAmount per serving
L-Glutamine, Micronized 1000 mg
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free Vegetarian
Categories
Glutamine 77.0
As a pure L-Glutamine product, its performance within the 'Glutamine' category is primarily determined by its purity, dosage, and cost-effectiveness per gram compared to other glutamine supplements.
Goals
Immunity 77.0
L-Glutamine is a critical fuel for immune cells, helping maintain immune function, especially during periods of stress or intense exercise. This product provides L-Glutamine, supporting this goal.
Fitness 77.0
L-Glutamine plays a role in muscle recovery and can help reduce exercise-induced muscle breakdown. The product provides this amino acid, contributing to fitness goals.
Muscle Gain 77.0
While not a primary anabolic agent, L-Glutamine aids muscle repair and recovery post-exercise, which indirectly supports muscle gain. Its efficacy depends on adequate dosing.
95 Value

Glutamine 300

PS ProSupps
4.6
(629 ratings)
Offers a superior balance of L-Glutamine quantity and cost-effectiveness ($20.74 per 5g), providing more bang for your buck.
88 Value

Glutamine Pure Powder 5000 mg (5 g)

Country Life
4.8
(704 ratings)
Offers a superior balance of L-Glutamine quantity and cost-effectiveness ($34.52 per 5g), providing more bang for your buck.
85 Value

L-Glutamine 800 mg

Nutricost
4.8
(348 ratings)
Offers a superior balance of L-Glutamine quantity and cost-effectiveness ($50.00 per 5g), providing more bang for your buck.
75 Performance

Pharmaceutical Grade AjiPure L-Glutamine 500 mg

Swanson Ultra
4.7
(471 ratings)
Offers a generally better value or quality of L-Glutamine. Features AjiPure L-Glutamine for higher purity.
95 Performance

Glutamine 300

PS ProSupps
4.6
(629 ratings)
Offers a generally better value or quality of L-Glutamine. Provides a more convenient and cost-effective bulk powder form (4500mg per serving).
90 Performance

Theracurmin & L-Glutamine

Natural Factors CurcuminRich
4.7
(364 ratings)
Combines L-Glutamine with other synergistic ingredients for enhanced specific benefits (e.g., gut health or anti-inflammatory).
95 Budget

Glutamine 300

PS ProSupps
4.6
(629 ratings)
Offers L-Glutamine at a significantly lower cost per effective dose ($20.74 per 5g) compared to the current product, providing better economic value.
88 Budget

Glutamine Pure Powder 5000 mg (5 g)

Country Life
4.8
(704 ratings)
Offers L-Glutamine at a significantly lower cost per effective dose ($34.52 per 5g) compared to the current product, providing better economic value.
85 Budget

L-Glutamine 800 mg

Nutricost
4.8
(348 ratings)
Offers L-Glutamine at a significantly lower cost per effective dose ($50.00 per 5g) compared to the current product, providing better economic value.
95 Value

Glutamine 300

PS ProSupps
4.6
(629 ratings)
Offers a superior balance of L-Glutamine quantity and cost-effectiveness ($20.74 per 5g), providing more bang for your buck.
88 Value

Glutamine Pure Powder 5000 mg (5 g)

Country Life
4.8
(704 ratings)
Offers a superior balance of L-Glutamine quantity and cost-effectiveness ($34.52 per 5g), providing more bang for your buck.
85 Value

L-Glutamine 800 mg

Nutricost
4.8
(348 ratings)
Offers a superior balance of L-Glutamine quantity and cost-effectiveness ($50.00 per 5g), providing more bang for your buck.
75 Performance

Pharmaceutical Grade AjiPure L-Glutamine 500 mg

Swanson Ultra
4.7
(471 ratings)
Offers a generally better value or quality of L-Glutamine. Features AjiPure L-Glutamine for higher purity.
95 Performance

Glutamine 300

PS ProSupps
4.6
(629 ratings)
Offers a generally better value or quality of L-Glutamine. Provides a more convenient and cost-effective bulk powder form (4500mg per serving).
90 Performance

Theracurmin & L-Glutamine

Natural Factors CurcuminRich
4.7
(364 ratings)
Combines L-Glutamine with other synergistic ingredients for enhanced specific benefits (e.g., gut health or anti-inflammatory).