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NOW Foods L-Glutamine 1000mg Tablets 120 Count

by NOW Foods

12 reviews analysed · 3 sources · Last verified: 01 Mar 2026 · Price data: 19 Feb 2026 · Confidence: 60% · Reviewed by Bart, Health & Tech Enthusiast
NOW Foods L-Glutamine 1000mg Tablets 120 Count
71
Overall Score
Good

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NOW Foods L-Glutamine 1000mg is a single-ingredient amino acid supplement from one of the most reputable and longest-established brands in the US supplement industry. Best for Athletes and gym-goers seeking muscle recovery support and People preferring tablet format over powder for travel or convenience.

According to the AIScored 0–100 scoring system, NOW Foods L-Glutamine 1000mg Tablets 120 Count by NOW Foods scores 71.0/100, ranking #17 out of 30 products in Amino Acids (2026). Strongest category: Side Effects (83.0/100). Weakest: Value For Money (60.0/100).

Is NOW Foods L-Glutamine 1000mg Tab... worth buying?

“NOW Foods L-Glutamine scores 71/100 from a brand with 50+ years of manufacturing experience and NSF certification. The free-form preparation offers better absorption than bound alternatives, and the formula is clean with no fillers or unnecessary additives.”

— AIScored Editorial Team, Mar 2026

What Do Reviewers Say About NOW Foods L-Glutamine 1000mg Tablets 120 Count?

Sample excerpts from currently available source material used in this product analysis.

"Quality NOW Foods product that delivers on its promises. Good manufacturing standards and effective dosing. Works well as advertised. However, the taste can be quite bitter or unpleasant."

Bulk • Regular User • 08 Feb 2024

"Good Value. I have used these for several months now in conjunction with a exercise program. I am happy with the results I am achieving, the cost and of course, the quality that has been assured by H&H."

"Taken for years. I was recommended by my dentist at the time to take lysine as I suffered with mouth ulcers frequently. I don’t get mouth ulcers anymore."

"L-Lysine 120 tabs. I was recommended these tablets to stave off cold sores. I take one daily and they really work."

"Marvelous no cold sores. Just to get many cold sores but never had one since taking them."

How does NOW Foods L-Glutamine 1000mg Tablets ... score?

Detailed score breakdown and key findings from our analysis of 12 reviews across 3 sources.

Effectiveness How well the product works based on user reviews
63.0/100
Average
Ingredient Quality Clean label, bioavailable forms, minimal fillers
82.0/100
Good
Value for Money Price relative to quality and quantity
60.0/100
Average
Side Effects Profile Higher = fewer/milder side effects reported
83.0/100
Good
Certifications & Testing Third-party testing, GMP, and quality certifications
82.0/100
Good
Overall Score Weighted overall recommendation
71.0/100
Good

Pros

  • +NOW Foods is a highly respected, NSF-certified brand with 50+ years of manufacturing credibility and transparent third-party testing
  • +Free-form L-glutamine for optimal bioavailability compared to bound forms
  • +Clean, single-ingredient formula with no unnecessary fillers or proprietary blends
  • +Tablet format offers convenience and precise dosing vs. loose powder
  • +GMP-certified production with strong quality control track record

Cons

  • -Low per-tablet dose (1000mg) requires 5–10 tablets daily to reach therapeutic ranges studied in clinical research
  • -Tablet form is less cost-efficient than glutamine powder for high daily doses
  • -Some customers raised concerns about packaging integrity when purchasing through third-party Amazon sellers
  • -Dataset includes mislabeled reviews (L-Lysine reviews attributed to this product), making user-reported efficacy data unreliable

Best For

Athletes and gym-goers seeking muscle recovery support People preferring tablet format over powder for travel or convenience Those supplementing at lower daily doses (1–3g) for general immune maintenance Buyers who prioritise brand trust and third-party testing above all else

Watch Out

  • !Multiple tablets required per day to reach doses used in gut health or recovery studies — check cost-per-gram vs. powder alternatives
  • !Verify purchase source: some customers flagged loose packaging seals on Amazon third-party listings
  • !L-glutamine is generally very well-tolerated, but high doses (10g+) may cause mild GI discomfort in sensitive individuals

What is NOW Foods L-Glutamine 1000mg Tablets 120 Count?

NOW Foods L-Glutamine 1000mg Tablets 120 Count is a amino acids product by NOW Foods, scoring 71.0/100 on AIScored.

  • NOW Foods L-Glutamine delivers 1000mg of pure, free-form L-glutamine per tablet.
  • L-glutamine plays an important role in supporting muscle recovery after exercise and helping maintain a healthy immune system.
  • Each bottle contains 120 tablets, making it a straightforward and reliable option for daily use.

How We Score Supplements

Our methodology analyses review data, ingredient science, and product information, then scores each product on a 0-100 scale across evidence-based categories:

1

Effectiveness

How well the product delivers its claimed benefits, based on reviews and ingredient evidence.

2

Ingredient Quality

Bioavailable forms, clinically effective dosages, clean label, minimal fillers.

3

Value for Money

Price relative to ingredient quality, dosage count, and effectiveness.

4

Side Effects Profile

Higher score = fewer side effects. 100 means virtually no adverse reactions reported.

5

Certifications & Testing

Third-party lab testing, GMP certification, and independent quality verification.

6

Overall Score

Weighted combination of all factors. Our bottom-line recommendation.

How Does NOW Foods L-Glutamine 1000mg Tablets 120 Count Compare?

See how this product stacks up against the top-rated amino acids in our database.

Product Score Price
NOW Foods L-Glutamine 1000mg Tab... (this) 71.0 £0.00
BCAA Amino Hydrate Fruit Burst 450g 80.0 £20.00

Price History (90 days)

Frequently Asked Questions

Is NOW Foods L-Glutamine 1000mg Tablets 120 Count worth buying in 2026?
NOW Foods L-Glutamine 1000mg Tablets 120 Count scores 71.0/100 in our analysis, based on 12 reviews. NOW Foods L-Glutamine 1000mg is a single-ingredient amino acid supplement from one of the most reputable and longest-established brands in the US supplement industry. Available direct reviews of this specific product are sparse; notably, several Holl...
What are the pros and cons of NOW Foods L-Glutamine 1000mg Tablets 120 Count?
Pros: NOW Foods is a highly respected, NSF-certified brand with 50+ years of manufacturing credibility and transparent third-party testing. Free-form L-glutamine for optimal bioavailability compared to bound forms. Clean, single-ingredient formula with no unnecessary fillers or proprietary blends. Cons: Low per-tablet dose (1000mg) requires 5–10 tablets daily to reach therapeutic ranges studied in clinical research. Tablet form is less cost-efficient than glutamine powder for high daily doses. Some customers raised concerns about packaging integrity when purchasing through third-party Amazon sellers.
How does NOW Foods L-Glutamine 1000mg Tablets 120 Count compare to BCAA Amino Hydrate Fruit Burst 450g?
NOW Foods L-Glutamine 1000mg Tablets 120 Count scores 71.0/100 while BCAA Amino Hydrate Fruit Burst 450g scores 80.0/100. Read full comparison →

Disclaimer: AIScored provides research-backed summaries based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Affiliate links may earn us a commission at no extra cost to you.

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