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NOW's 500 mg L-glutamine capsules describe the amino acid as a nitrogen transporter, packaged 120 to a vegetarian bottle. It is an affordable, no-fuss capsule option for those who would rather swallow a capsule than measure out powder for recovery.
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The brand behind this product — their story and what they stand for.
NOW's twenty listings are dominated by vitamins, including C, B-2 and D-3, alongside glutamine, omega-3s and a plant-based pea protein. The range reads as a broad general-wellness lineup with sports nutrition on the side.
Understand which fitness goals this product is best suited for.
A quick look at pricing, tier, and how it stacks up against the category average.
See how this product compares to similar options in its category.
| This Product | Natural Factors | Natural Factors | Sports Research | |
|---|---|---|---|---|
| Price | $15.59 | $14.99 | $18.99 | $20.95 |
| Per Serving | - | - | - | $0.35/serving |
| Servings | — | — | — | 60 |
| Lab Tested | ✗ | ✓ | ✓ | ✓ |
| Rating | 4.5 ★ | 4.6 ★ | 4.7 ★ | 4.6 ★ |
Common questions about this product — answered clearly and honestly.
Yes, this product is vegetarian-friendly. It does not contain any non-vegetarian ingredients.
As of our last check, this product does not have publicly listed third-party lab testing. Look for brands that offer Trustified, NABL, or Labdoor certifications for verified purity.
Natural Factors
Natural Factors Micronized L Glutamine 500mg, 60 Veg Caps
Natural Factors
Natural Factors Micronized L Glutamine 1000mg, 60 Vegetarian Capsules
Sports Research
Sports Research® L-Glutamine Powder 5g, Unflavored (10.58oz)
Just Glow
Just Glow L-Glutamine Capsules 500mg, 250 Veg Capsules, 2,000mg Per Serving (4 Capsules), Free Form L Glutamine Supplement 60 Servings, Made in Canada
