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 33 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 1000 mgNOW Sports1 g
- L-Glutamine 1000 mgProtocol For Life Balance1 g
- L-Glutamine 1000 mgLogos Nutritionals1 g
- L-Glutamine 1000 mg CapsulesBulkSupplements.com · off the market1 g
- L-Glutamine 1000 mg Double StrengthPhysician's Preference · off the market1 g
- L-Glutamine 150 mgSuperSmart · off the market3 g
- L-Glutamine 1500MRM1.5 g
- L-Glutamine 1500GNC Pro Performance · off the market1.5 g
- L-Glutamine 1500 mgNOW Sports3 g
- L-Glutamine 1500 mgGNC Pro Performance1.5 g
- L-Glutamine 2 gramsJarrow Formulas2 g
- L-Glutamine 250 mgKirkman0.25 g
- L-Glutamine 325MRM · off the market1 g
- L-Glutamine 325MRM Nutrition5 g
- L-Glutamine 5 gNutricost · off the market5 g
- L-Glutamine 5 g Blue RaspberryNutricost5 g
- L-Glutamine 5 g Fruit PunchNutricost5 g
- L-Glutamine 5 g UnflavoredNutricost5 g
- L-Glutamine 5 gramsGNC Beyond Raw Chemistry Labs5 g
- L-Glutamine 5,000 mgLake Avenue Nutrition5 g
- L-Glutamine 500GNC · off the market0.5 g
- L-Glutamine 500MRM · off the market1 g
- L-Glutamine 500DC0.5 g
- L-Glutamine 500MRM Nutrition5 g
- L-Glutamine 500 mgVitaCeutical Labs0.5 g
- L-Glutamine 500 mgVitabase0.5 g
- L-Glutamine 500 mgGood 'N Natural · off the market0.5 g
- L-Glutamine 500 mgMartin Avenue Pharmacy0.5 g
- L-Glutamine 500 mgVitamin World0.5 g
- L-Glutamine 500 mgVSN Vital Strength Nutrition · off the market0.5 g
- L-Glutamine 500 mgQuest · off the market0.5 g
- L-Glutamine 500 mgBronson Laboratories · off the market0.5 g
- L-Glutamine 500 mgThompson0.5 g
- L-Glutamine 500 mgPhysioLogics · off the market0.5 g
- L-Glutamine 500 mgAnabolic Laboratories · off the market0.5 g
- L-Glutamine 500 mgVitamer Laboratories0.5 g
- L-Glutamine 500 mgIndiana Botanic Gardens0.5 g
- L-Glutamine 500 mgSolgar1.5 g
- L-Glutamine 500 mgSwanson Premium Brand · off the market0.5 g
- L-Glutamine 500 mgNatures Plus · off the market0.5 g
- L-Glutamine 500 mgNutriCology · off the market1 g
- L-Glutamine 500 mgVillage Vitality · off the market0.5 g
- L-Glutamine 500 mgDouglas Laboratories0.5 g
- L-Glutamine 500 mgAllergy Research Group1 g
- L-Glutamine 500 mgSpring Valley1 g
- L-Glutamine 500 mgThe Vitamin Shoppe0.5 g
- L-Glutamine 500 mgNatural Nutra0.5 g
- L-Glutamine 500 mgAmazing Muscle0.5 g
- L-Glutamine 500 mgAN Amazing Nutrition Amazing Formulas0.5 g
- L-Glutamine 500 mgNatural Grocers by Vitamin Cottage0.5 g