NOW Sports L-Glutamine 1500 mg supplement bottle
NOW Sports

L-Glutamine 1500 mg

What We Researched
1 active ingredient analyzed · 6 inactive ingredients decoded · 6 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
75
Product Score Fair
97
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Glutamine 3 g †
Bioavailability Excellent

Absorption Rating

  • L-Glutamine Good
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Stearic Acid
  • Vegetarian Coating
  • Croscarmellose Sodium
  • Magnesium Stearate
  • Silica
Efficacy Very Poor

Dosage Analysis

  • L-Glutamine 3 g Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
L-Glutamine 3 g †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Vegetarian Coating Generally_safe

It is added to coat tablets or capsules.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
NOW Sports

Founded 1968 · Bloomingdale, Illinois, USA · 178 products · nowfoods.com

Certifications

6 certifications
Informed Sport Verified Source
Non Gmo Project Verified Source
Npa Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source
Vegan Certified Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

1 incident
Recall NOW Real Food® Raw Macadamia Nuts2020-06-12Source
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Frequently Asked Questions
Is NOW Sports L-Glutamine 1500 mg a good supplement?

NOW Sports L-Glutamine 1500 mg received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 45 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, NOW Sports, holds a brand trust score of 97/100 with 6 verified certifications including Informed Sport, Non Gmo Project, Npa Gmp, Usda Organic.

What are the ingredients in NOW Sports L-Glutamine 1500 mg?

NOW Sports L-Glutamine 1500 mg contains 1 active ingredients: L-Glutamine (3 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Sports L-Glutamine 1500 mg safe to take?

NOW Sports L-Glutamine 1500 mg has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NOW Sports a trustworthy supplement brand?

NOW Sports receives a brand trust score of 97/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 178 products in their lineup. They hold 6 verified certifications including Informed Sport, Non Gmo Project, Npa Gmp, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: NOW Sports has 1 historical regulatory incident on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.