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L-Glutamine

Jarrow Formulas
4.7
★ ★ ★ ★ ★
(1645 ratings)
Glutamine 750 mg
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Score80
A clean 750 mg L-glutamine serving is convenient at low intake, but gram-level use creates a capsule burden.
How scoring works
Quantity:120 Veggie Cap(s) • (120 servings)
Goals:

Score 80

A clean 750 mg L-glutamine serving is convenient at low intake, but gram-level use creates a capsule burden.
How scoring works
$13.99($0.11 per serving)
Pure Formulas
$ 13.99
Daily Vita
$ 14.99
Vitacost
$ 17.03
Vitacost
$ 16.93
Amazon
$ 13.99
iHerb
$ 17.42
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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 750 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 long vegetarian-capsule supply is convenient. Value is reasonable rather than exceptional. 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 4 capsules are needed for 3 g
  • No premium purity grade
  • Value is reasonable rather than exceptional.

Nutrient quality

82 Highest impact

Clear L-glutamine labeling and the capsule format support straightforward use. The single serving is modest and several capsules are needed for a substantial intake, 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

69 High impact

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

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Value for money

90 Highest impact

A modest amount and low serving cost provide good value. Several capsules are still needed for a substantial intake.

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Ingredients

IngredientAmount per serving
L-Glutamine
750 mg
Adults 18–50 Vegan Vegetarian
Report overview
Glutamine · 750 mg OverallScore64
B- Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyB- Value

The clearly labeled L-glutamine offers a low single-capsule dose with complete amount disclosure. Reaching a more substantial daily intake requires four capsules, which is less convenient than higher-dose options. No premium purity grade is identified, and cost efficiency is reasonable rather than exceptional.

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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

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>
78 Budget

L-Glutamine 500 mg

Source Naturals
<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 lower serving cost 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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