BioStacks
GNC

L-Glutamine 1000 mg

1 Caplet · 100 servings · $0.25/serving

iHerbAmazon

Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.

Ingredients (2)

L-Glutamine

20%

Dose

1000 mg

Target

5000–15000 mg

Form

—

Calcium

81 mg

Trace amount — not scored

Other Ingredients (14)

MonoglyceridesEmulsifier

Glycerol monoesters of fatty acids used as emulsifiers and processing lubricants

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Oleic AcidEmollient

A monounsaturated fatty acid used as an emollient and penetration aid

Polyethylene Glycol (Coating)Coating

A polyether polymer used as a tablet coating and plasticizer

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Calcium SilicateAnti-caking

Inorganic compound used as an anti-caking and flow agent in powdered supplements

Carnauba WaxCoating

Hard plant wax from the carnauba palm used to glaze gummies and tablets

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

How to Take It

Take it anytime

Take between meals — it competes with other amino acids for absorption.

On an empty stomach

On the label

As a dietary supplement, take one caplet one to or two times daily, an hour before meals or on an empty stomach.

General guidance based on the ingredients, not a substitute for the label or your doctor.

Price Check

$24.99

$10$20$50

Near the median of 90 glutamine supplements

Track this supplement in your stack

Get personalized insights, interactions, and coverage recommendations.

Get Started Free

Similar Supplements

Calcium Citrate 1000

KAL

Calcium Citrate 1000

🦷 for Dental

100
Calcium Citrate 1000 mg

KAL

Calcium Citrate 1000 mg

🦷 for Dental

100
Calcium Citrate 2100 MG

Nutricost

Calcium Citrate 2100 MG

🦷 for Dental

100
myHMB 1500 mg

Nutricost

myHMB 1500 mg

🦷 for Dental

100
100% Pure & Dairy-Free Calcium Citrate

Swanson

100% Pure & Dairy-Free Calcium Citrate

🦷 for Dental

100

Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

BioStacks

Know exactly what's in your supplements.

Navigate

  • Home
  • App Store
  • Google Play

Resources

  • Contact & Support
  • Pricing
  • Terms of Service
  • Privacy Policy
  • Refund Policy

Explore

  • Health Areas
  • Best Supplements
  • Nutrients
  • All Supplements

Popular Picks

  • Best Magnesium for Sleep
  • Best Collagen for Skin
  • Best Creatine for Muscle
  • Best Vitamin D for Bone Health
  • Best Probiotics for Digestion
  • Best CoQ10 for Heart
© 2026 BioStacks. All rights reserved. Not medical advice.