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L-Glutamine 500 mg

The Vitamin Shoppe
4.8
★ ★ ★ ★ ★
(33 ratings)
Glutamine 500 mg
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Score76
A clean 500 mg L-glutamine serving is convenient at low intake, but gram-level use creates a capsule burden.
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Quantity:300 Capsule(s) • (300 servings)
Goals:

Score 76

A clean 500 mg L-glutamine serving is convenient at low intake, but gram-level use creates a capsule burden.
How scoring works
$32.99($0.10 per serving)
iHerb
$ 32.99
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Analysis

L-glutamine supplies fuel used by intestinal and immune cells, with the clearest practical role during physiological stress or inadequate intake. A single-ingredient formula avoids competing actives and proprietary blends.

The 500 mg amount is fully disclosed, yet gram-level use would require several capsules. No premium purity grade or specialized processing claim is provided in the supplied data.

The large package minimizes reordering. Cost efficiency is reasonable for the total amount supplied. A powder is more efficient for people seeking several grams, while the capsule format fits lower-dose users who value portability.

Who is it for
  • Adults wanting a portable glutamine format
  • People using a modest daily amount
  • Users comfortable taking several capsules when needed
Best for
  • Simple single-ingredient routines
  • Travel-friendly glutamine use
  • People who dislike mixing powders

Pros

  • L-glutamine is clearly identified
  • Exact amount is disclosed
  • No unrelated active ingredients

Cons

  • About 6 capsules are needed for 3 g
  • No premium purity grade
  • Cost efficiency is reasonable for the total amount supplied.

Nutrient quality

79 High impact

Clear L-glutamine labeling and the capsule format support straightforward use. The single serving is low for targeted glutamine support, while the amount is conservative and not excessive.

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Ingredient transparency

79 High impact

The active amount is disclosed without a hidden blend. Intake directions and inactive ingredients are not supplied.

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Customer satisfaction

61 Moderate impact

The supplied average rating is strong and comes from a very small rating pool. No firsthand experiences or recurring complaint details were provided, so consistency remains uncertain.

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Value for money

83 Highest impact

The large package and low serving cost support fair value despite the low amount. Several capsules are still needed for a substantial intake.

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Ingredients

IngredientAmount per serving
L-Glutamine
500 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Glutamine · 500 mg OverallScore62
B- Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyB- Value

The ingredient is clearly identified as L-glutamine, but the amount per capsule is low. Reaching a more useful intake requires several capsules. A large package keeps glutamine cost efficiency reasonable.

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84 Performance

Glutamine Pure Powder 5000 mg (5 g)

Country Life
<p>Its label clearly provides 5000 mg of L-Glutamine, making it a more clearly defined glutamine option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
84 Performance

L-Glutamine Pure Powder

Best Naturals
<p>Its label clearly provides 5000 mg of L-Glutamine, making it a more clearly defined glutamine option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
80 Performance

Theracurmin & L-Glutamine

Natural Factors CurcuminRich
<p>Its label clearly provides 5000 mg of L-Glutamine, Micronized, making it a more clearly defined glutamine option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
82 Budget

L-Glutamine Powder

Bluebonnet
<p>Its label clearly provides 5000 mg of L-Glutamine, Powder, preserving relevant glutamine coverage. It is not lower-cost than the original, but it is the closest remaining eligible fit for this category; the input does not provide independent testing or absorption evidence.</p>
82 Budget

Pharmaceutical Grade AjiPure L-Glutamine 500 mg

Swanson Ultra
<p>Its label clearly provides 500 mg of L-Glutamine, preserving relevant glutamine coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.</p>
78 Budget

L-Glutamine 500 mg

NOW
<p>Its label clearly provides 500 mg of L-Glutamine, preserving relevant glutamine coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.</p>
84 Value

Glutamine 300

PS ProSupps
<p>Its label clearly provides 4500 mg of L-Glutamine, keeping the formula relevant to glutamine. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
83 Value

Micronized L-Glutamine 1000 mg

Natural Factors
<p>Its label clearly provides 1000 mg of L-Glutamine, Micronized, keeping the formula relevant to glutamine. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
82 Value

L-Glutamine

Jarrow Formulas
<p>Its label clearly provides 1000 mg of L-Glutamine, keeping the formula relevant to glutamine. Compared with the original, the similar serving economics and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
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