amino acid
Glutamine supplements
Half of the 1,850 glutamine supplements in the NIH label database that print an amount list 1 g or less per serving; the middle half list 0.356 g to 3 g (DSLD version 9.4.0, January 2026). The 330 products whose only supplement ingredient is glutamine list a median of 4 g.
- Products listing it
- 2,9731,850 print an amount; 1,122 list it inside a blend without an amount
- Median per serving
- 1 gmiddle half 0.356 g to 3 g
How much glutamine do supplements contain?
The median product lists 1 g per serving. One in ten lists 0.1 g or less, one in ten 5 g or more. The amount printed most often is 5 g (241 products).
Products by amount of glutamine per serving
1,850 products, log scale; extreme 0.2% at each end left out of the drawing.
| Amount per serving | Products | For example |
|---|---|---|
| 5 g | 241 | Glutamine (Tapout Sports Nutrition); L-Glutamine Powder (GNC Pro Performance); RapidDrive Glutamine 5000 Fruit Punch (GNC Pro Performance) |
| 1 g | 192 | Recover Post Workout (Tapout Sports Nutrition); L-Glutamine (GNC Mega Men); Week Four: Repair (Douglas Laboratories) |
| 0.5 g | 189 | Fish Oil Sport (GNC Triple Strength); Muscle Support (Instaflex); Whey of Life Multi-Action Whey Protein Natural Chocolate Blitz Flavor (Bluebonnet) |
| 2.5 g | 153 | N'Gage Glacier Punch (Axis Labs); Competitive Mass (Lee Haney's Nutritional Support Systems); XTEND Lemon Lime Sour (Scivation) |
| 3 g | 105 | Lg5 Pro (All American EFX); RapidDrive Post-Workout Amino Complex Fruit Punch (GNC Pro Performance); Torch After-Burn Recovery Drink Creamy Vanilla Flavor (Market America) |
| 2 g | 94 | BC + EAA Blue Raspberry (LG Sciences); Shockwave Fruit Punch (Sci-Fit); Shockwave Grape (Sci-Fit) |
| 0.1 g | 58 | Ultra 5-HTP Formula (Douglas Laboratories); Ultimate-Plus (Ultra Plan); Nuclezyme-Forte (Biotics Research Corporation) |
| 0.15 g | 53 | Think Smart with Gingko Biloba (Whole Foods); Energy Enhancing Formula Refreshing Citrus (GNC Preventive Nutrition); Energy-Plex (DaVinci Laboratories Of Vermont) |
| 1.5 g | 50 | Gluta-Lyn 1500 (Sci-Fit); Gluta-Lyn 1500 Powder (Sci-Fit); Endura / PAK Guard Capsules (Perque) |
| 0.2 g | 43 | Ultra Minerals For Life (AB American Biologics); Complex-M with Ginkgo (Allergy Research Group); Advanced OKG 5000 (Healthy 'N Fit) |
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most glutamine?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Hit BCAA 4:1:1 + Glutamine PeachDY Nutrition33.33 g
- Hit BCAA 4:1:1 + Glutamine StrawberryDY Nutrition33.33 g
- Amino 8:1:1+L-Glutamine Blue Raz FlavourPromuscle Products20.2 g
- Amplified Wheybolic Extreme 60 Ripped Chocolate Peanut ButterGNC Pro Performance AMP19.99 g
- 100% Casein Protein Cookies 'N CreamBody Attack Sports Nutrition18 g
- 100% Casein Protein Strawberry CreamBody Attack Sports Nutrition17.9 g
- 100% Casein Protein Strawberry Banana CreamBody Attack Sports Nutrition17.8 g
- BCAA Orange FlavourSCI-MX Nutrition15.3 g
Have the amounts changed over the years?
Products whose current label entered DSLD in 2011 list a median of 2.5 g; those entered in 2025, 1 g.
| Year | Products | Median per serving |
|---|---|---|
| 2011 | 37 | 2.5 g |
| 2012 | 91 | 1 g |
| 2013 | 136 | 0.5 g |
| 2014 | 117 | 1.5 g |
| 2015 | 110 | 2 g |
| 2016 | 112 | 2 g |
| 2017 | 121 | 2.5 g |
| 2018 | 115 | 2 g |
| 2019 | 63 | 1 g |
| 2020 | 170 | 2 g |
| 2021 | 134 | 0.97 g |
| 2022 | 146 | 1 g |
| 2023 | 168 | 1.5 g |
| 2024 | 176 | 1 g |
| 2025 | 154 | 1 g |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing glutamine by DSLD product type
Brands listing it most: Core Nutritionals (37), NutraBio (32), Universal (28), Douglas Laboratories (26), GNC Pro Performance (21), GNC Pro Performance AMP (21), CytoSport (21), XTEND (20), Pure Encapsulations (17), MRM Nutrition (17).
Every product listing glutamine
2,973 products, A to Z by name (page 35 of 60), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- L-Glutamine PowderWonder Laboratories4.5 g
- L-Glutamine PowderDC4.5 g
- L-Glutamine PowderMetabolic Maintenance1 g
- L-Glutamine PowderMoss Nutrition5 g
- L-Glutamine PowderJarrow Formulas · off the market2 g
- L-Glutamine PowderProgressive Professional from Progressive Laboratories5 g
- L-Glutamine PowderNOW Sports5 g
- L-Glutamine PowderBluebonnet5 g
- L-Glutamine PowderDouglas Laboratories4 g
- L-Glutamine PowderDaVinci Laboratories · off the market5 g
- L-Glutamine PowderPure Encapsulations3 g
- L-Glutamine PowderThorne5 g
- L-Glutamine PowderLife Extension1.95 g
- L-Glutamine PowderCarlson3 g
- L-Glutamine Powder (with Arginine)Pharmax3.94 g
- L-Glutamine Powder 1000 mgBronson1 g
- L-Glutamine Powder 4.5 gThe Vitamin Shoppe4.5 g
- L-Glutamine Powder 4500 mgThe Vitamin Shoppe · off the market4.5 g
- L-Glutamine Powder 5000 UnflavoredGNC Pro Performance5 g
- L-Glutamine Pure PowderProtocol For Life Balance5 g
- L-Glutamine Pure PowderBest Naturals5 g
- L-Glutamine Pure PowderLuckyVitamin5 g
- L-Glutamine SAPNFH5 g
- L-Glutamine UnflavoredCytoSport5 g
- L-Glutamine UnflavoredMET-Rx6 g
- L-Glutamine UnflavoredAbout Time5 g
- L-Glutamine UnflavoredAmazing Muscle5 g
- L-Glutamine UnflavoredGNC Pro Performance5 g
- L-Glutamine UnflavoredStaunch Labs · off the market5 g
- L-Glutamine UnflavoredSwolverine5 g
- L-Glutamine UnflavoredPure Power5 g
- L-Glutamine With MSM Lemon LimeNew Whey Nutrition · off the market5 g
- L-Glutamine With MSM Natural FlavorNew Whey Nutrition · off the market5 g
- L-Glutamine With MSM WatermelonNew Whey Nutrition · off the market5 g
- L-Gutamine PowderBluebonnet · off the market5 g
- L-ToxMM Sports Nutritionin a blend
- L.g.s.Priority One Nutritional Supplements0.5 g
- Ladies Internal Beauty PillsSun Tenin a blend
- Lava Orange SlushUniversal2.5 g
- LBA PRO Chocolate SyrupAll American EFX0.0003 g as transcribed, likely a slip
- LBA PRO Vanilla GlazeAll American EFX0.0003 g as transcribed, likely a slip
- Leaky GutAncient Nutritionin a blend
- Leaky GutProfessional Botanicalsin a blend
- Leaky Gut +Amen · off the market0.3 g
- Leaky Gut DefensePure TheraPro Rx3 g
- Leaky Gut FormulaComplete Life Nutrition · off the market3 g
- Leaky Gut FormulaCodeage · off the market0.315 g
- Leaky Gut Health with Quercetin PhytosomeEmerald Labs2 g
- Leaky Gut+Amen · off the market0.3 g
- Lean Active 7 Chocolate CakeNutracore Nutrition · off the marketin a blend