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L-Glutamine 500 mg

Source Naturals
4.7
★ ★ ★ ★ ★
(544 ratings)
Glutamine 500 mg
Product Image
Score88

A portable and straightforward L-glutamine tablet that helps maintain general metabolic health and gut tissue support.

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

Score 88

A portable and straightforward L-glutamine tablet that helps maintain general metabolic health and gut tissue support.

How scoring works
$10.00($0.10 per serving)
Amazon
$ 10.00
iHerb
$ 10.24
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Analysis

These tablets provide a 500 mg dose of L-glutamine, which is a major fuel source for the cells in your digestive tract. The tablet format is quite convenient for travel or busy schedules compared to mixing powders into water. It supports general metabolic health by maintaining amino acid levels during times of physical stress.

While the dose is modest, it allows for flexible intake throughout the day. You can easily adjust how much you take by spreading out the tablets. It is a good starting point for someone new to amino acid supplementation who wants a no-fuss option.

Pros

  • Convenient tablet format
  • Easy for travel use
  • Flexible dosing options
  • Supports intestinal cell health
  • No mixing required

Cons

  • Low dose per tablet
  • Requires many tablets for high-dose needs
  • Contains binders common in tablets

Warnings

  • Store in a cool, dry place
  • Drink plenty of fluids while using aminos
  • Best taken on an empty stomach

Nutrient quality

79 High impact

Standard L-Glutamine forms provide reliable support for cellular energy in the intestinal lining. Dosages of 500 mg are modest and may be better suited for maintenance than for addressing significant gut permeability.

Ingredient transparency

96 Highest impact

Clear labeling of the primary active ingredient ensures users know exactly what they are consuming. Specific naming and easy-to-read instructions support overall transparency.

Customer satisfaction

90 Highest impact

Strong average ratings across a moderate volume of users suggest consistent product performance. Feedback appears well aligned with the intended use for digestive and immune support.

Value for money

88 Highest impact

A low price per serving makes this an accessible option for general maintenance. Higher dosages required for acute needs may reduce the total value compared to bulk powder options.

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Ingredients

IngredientAmount per serving
L-Glutamine
500 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free Vegetarian
Report overview
Glutamine · 500 mg OverallScore62
B- Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyB- Value
This tablet provides a basic, single-ingredient source of L-glutamine for supplemental support. It is a reliable option for those needing low to moderate doses of the amino acid in a convenient format. However, multiple tablets are required to reach clinical levels for significant gut tissue repair.
View ingredientView products
94 Value

Micronized L-Glutamine 1000 mg

Natural Factors
4.8
★★★★★
(1912 ratings)
Utilizing a micronized form of glutamine may improve solubility and gentleness on the digestive system. This bulk-sized option provides a higher 1,000 mg dose per capsule, offering better overall value for long-term use.
Other sellers (2)
92 Value

L-Glutamine

Jarrow Formulas
4.7
★★★★★
(1613 ratings)
Choosing these veggie capsules increases the dose to 750 mg per serving while remaining very close in price. This middle-ground strength is a practical upgrade for individuals who want more support without switching to powders.
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94 Value

Glutamine 300

PS ProSupps
4.6
★★★★★
(629 ratings)
Picking a high-dose powder delivers 4,500 mg of L-glutamine per scoop, which is nine times the amount found in the original product. This significantly higher concentration provides much better value for those following intensive recovery protocols.
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94 Performance

GI-Revive

Designs for Health
4.8
★★★★★
(239 ratings)
Combining L-glutamine with synergistic ingredients like zinc carnosine and N-acetyl glucosamine offers much more comprehensive support for the intestinal lining. The addition of slippery elm and aloe vera provides a soothing effect that a single amino acid lacks.
Other sellers (1)
91 Performance

Theracurmin & L-Glutamine

Natural Factors CurcuminRich
4.7
★★★★★
(364 ratings)
Providing a high dose of 5,000 mg of micronized glutamine alongside bioavailable Theracurmin helps support both tissue repair and a healthy inflammatory response. This pairing is significantly more potent for addressing overall digestive wellness than a low-dose tablet.
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91 Performance

IntestiNew

Renew Life
4.8
★★★★★
(7096 ratings)
Opting for this powder format delivers a clinical 5,000 mg dose of L-glutamine paired with gamma oryzanol and NAG for targeted mucosal support. The inclusion of traditional herbs further assists in maintaining the structural integrity of the gut barrier.
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91 Budget

L-Glutamine 500 mg

Swanson
4.7
★★★★★
(2726 ratings)
Choosing this capsule format provides the same 500 mg dose of L-glutamine while being more cost-effective per serving. Opting for a capsule rather than a tablet can often be easier for some individuals to digest.
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93 Budget

Pharmaceutical Grade AjiPure L-Glutamine 500 mg

Swanson Ultra
4.7
★★★★★
(599 ratings)
Selecting a pharmaceutical-grade AjiPure source ensures a high level of purity for the amino acid content. This higher quality standard is provided at a lower cost per serving compared to the original tablet.
Other sellers (1)
93 Budget

L-Glutamine

Jarrow Formulas
4.7
★★★★★
(6157 ratings)
Moving to this alternative doubles the amount of L-glutamine to 1,000 mg per unit for the same price per serving. This allows for more efficient dosing for those requiring higher daily intake for intestinal support.
Other sellers (5)
94 Value

Micronized L-Glutamine 1000 mg

Natural Factors
4.8
★★★★★
(1912 ratings)
Utilizing a micronized form of glutamine may improve solubility and gentleness on the digestive system. This bulk-sized option provides a higher 1,000 mg dose per capsule, offering better overall value for long-term use.
Other sellers (2)
92 Value

L-Glutamine

Jarrow Formulas
4.7
★★★★★
(1613 ratings)
Choosing these veggie capsules increases the dose to 750 mg per serving while remaining very close in price. This middle-ground strength is a practical upgrade for individuals who want more support without switching to powders.
Other sellers (4)
94 Value

Glutamine 300

PS ProSupps
4.6
★★★★★
(629 ratings)
Picking a high-dose powder delivers 4,500 mg of L-glutamine per scoop, which is nine times the amount found in the original product. This significantly higher concentration provides much better value for those following intensive recovery protocols.
Other sellers (2)
94 Performance

GI-Revive

Designs for Health
4.8
★★★★★
(239 ratings)
Combining L-glutamine with synergistic ingredients like zinc carnosine and N-acetyl glucosamine offers much more comprehensive support for the intestinal lining. The addition of slippery elm and aloe vera provides a soothing effect that a single amino acid lacks.
Other sellers (1)
91 Performance

Theracurmin & L-Glutamine

Natural Factors CurcuminRich
4.7
★★★★★
(364 ratings)
Providing a high dose of 5,000 mg of micronized glutamine alongside bioavailable Theracurmin helps support both tissue repair and a healthy inflammatory response. This pairing is significantly more potent for addressing overall digestive wellness than a low-dose tablet.
Other sellers (0)
91 Performance

IntestiNew

Renew Life
4.8
★★★★★
(7096 ratings)
Opting for this powder format delivers a clinical 5,000 mg dose of L-glutamine paired with gamma oryzanol and NAG for targeted mucosal support. The inclusion of traditional herbs further assists in maintaining the structural integrity of the gut barrier.
Other sellers (4)
Report alternatives