non-nutrient/non-botanical
Theanine supplements
Half of the 1,602 theanine supplements in the NIH label database that print an amount list 100 mg or less per serving; the middle half list 90 mg to 200 mg (DSLD version 9.4.0, January 2026). The 134 products whose only supplement ingredient is theanine list a median of 200 mg.
- Products listing it
- 2,1331,602 print an amount; 530 list it inside a blend without an amount
- Median per serving
- 100 mgmiddle half 90 mg to 200 mg
How much theanine do supplements contain?
The median product lists 100 mg per serving. One in ten lists 50 mg or less, one in ten 248 mg or more. The amount printed most often is 200 mg (463 products).
Products by amount of theanine per serving
1,602 products, log scale; extreme 0.2% at each end left out of the drawing.
| Amount per serving | Products | For example |
|---|---|---|
| 200 mg | 463 | Theanine Calm Caps (Vitamin World); PureBalance Serotonin With 5-HTP, Relora, L-Theanine & Rhodiola (Quality Of Life Labs); WomenSense MoodFood Suntheanine & Whey Protein (Natural Factors) |
| 100 mg | 422 | Relora Serene (R-Garden); Om (Highland Laboratories); Energy Natural Citrus Burst (Shaklee) |
| 50 mg | 213 | Beauty Sleep (ResVitale); Natra Sleep (GNC Herbal Plus Formula); Sleep Soundly Advanced (GNC Preventive Nutrition) |
| 150 mg | 69 | Theanine (Natrol); Sleep Support (Pathway To Healing); Neurocore Blue Raspberry (MuscleTech Concentrated Series) |
| 300 mg | 52 | Pre-Workout Complex Blue Raspberry (Nutricost); Pre-Workout For Women Strawberry (Nutricost); Pre Extreme Unflavored (NutraBio) |
| 25 mg | 51 | Relaxation Support (Vitabase); Rockstar Relax Tropical Guava Flavor (Rockstar); MoodBoost (LES Labs) |
| 75 mg | 37 | Anarchy Watermelon (MuscleTech Performance Series); Anarchy Blue Raspberry (MuscleTech Performance Series); Kids Daily B-Centered (MegaFood) |
| 250 mg | 34 | L-Theanine (PureBulk.com); Sleep N Burn Cmplx (Faktrition); Suntheanine L-Theanine 125 mg (Natural Factors Stress-Relax) |
| 400 mg | 34 | L-Theanine 400 mg (OL Olympian Labs); Sleep Well (Healthy Choice Naturals); Alphagen Gummy Candy (Morphogen Nutrition) |
| 90 mg | 25 | NitroSurge Pre-Workout Blue Raspberry (Jacked Factory); Nitrosurge Blue Raspberry (Jacked Factory); Nitrosurge Black Lemon Lime (Jacked Factory JF) |
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 theanine?
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).
- Calm/RechargeAllergy Research Group500 mg
- Sleep Juice Sweet TeaEA Enhnaced500 mg
- Fade Out GrapeRedcon1500 mg
- Pro-SomIntegrative Therapeutics500 mg
- Hibernate Peach MangoHuge Nutrition500 mg
- L-Theanine (500 mg)BulkSupplements.com500 mg
- ZmtSwolverine500 mg
- Sleep and Grow Sweet TeaEA500 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2012 list a median of 100 mg; those entered in 2025, 150 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2012 | 26 | 100 mg |
| 2013 | 43 | 100 mg |
| 2014 | 25 | 100 mg |
| 2015 | 40 | 62.5 mg |
| 2016 | 37 | 100 mg |
| 2017 | 67 | 150 mg |
| 2018 | 53 | 100 mg |
| 2019 | 61 | 100 mg |
| 2020 | 171 | 100 mg |
| 2021 | 161 | 100 mg |
| 2022 | 204 | 100 mg |
| 2023 | 192 | 100 mg |
| 2024 | 267 | 150 mg |
| 2025 | 241 | 150 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing theanine by DSLD product type
Brands listing it most: PS ProSupps (34), Jacked Factory (23), NutraBio (22), Alani Nu (22), OLLY (21), MuscleTech Performance Series (20), Natrol (18), Irwin Naturals (18), LifeSeasons (16), Jacked Factory JF (16).
Every product listing theanine
2,133 products, A to Z by name (page 16 of 43), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Keto-Karma Burn Fat RedIrwin Naturals25 mg
- Kid Kalm (Peach-Berry)Priority One Nutritional Supplements50 mg
- Kid's B ComplexMegaFood25 mg
- Kids Chillax Sunny SherbetOLLY50 mg
- Kids Cool & Calm Grape FlavoredNature's Way15 mg
- Kids Cool, Calm & Collected Grape FlavoredNature's Way · off the market15 mg
- Kids Daily B-CenteredMegaFood75 mg
- Kids SleepSmartyPants Functional75 mg
- Kids Sleep Gummies Berry FlavorGarden of Life Dr. Formulatedin a blend
- Kids Sleep RazzberryOLLY15 mg
- Kids Sleep RazzzberryOLLY15 mg
- Kids Sleep Tight Raspberry FlavoredOrgain30 mg
- Kill It Reloaded Blue RaspberryRich Piana 5% Nutrition100 mg
- Kill It Reloaded Cosmic CandyRich Piana 5% Nutrition100 mg
- Kill It Reloaded Fruit PunchRich Piana 5% Nutrition100 mg
- Killer BeesHypergenetic Labsin a blend
- Kin BloomKin Euphoricsin a blend
- Kinder Calm (Peach-Berry)Priority One Nutritional Supplements · off the market100 mg
- Kino Octane Blue RaspberryKinobody100 mg
- Kino Octane GrapeKinobody100 mg
- Kino Octane Kino ColadaKinobody100 mg
- Kino Octane Strawberry MargaritaKinobody100 mg
- Kino Octane WatermelonKinobody100 mg
- Knock OutInfoWars Life100 mg
- Knock-OutSchiff50 mg
- Koala Freak 2.0 Aussie AppleStaunch · off the market360 mg
- Koala Freak 2.0 Pre-Workout Aussie AppleStaunch · off the market380 mg
- Koala Freak 2.0 Pre-Workout Blue 'Baz' BerryStaunch · off the market380 mg
- Koala Freak 2.0 Pre-Workout Peach MangoStaunch · off the market380 mg
- Koala Freak 2.0 Pre-Workout Strawberry Pina KoalaStaunch · off the market360 mg
- Koala Freak 2.0 Pre-Workout Tropical MojitoStaunch · off the market300 mg
- Koala Freak 2.0 Tropical MojitoStaunch · off the market360 mg
- Koala Freak 2.0 Unicorn BloodStaunch · off the market360 mg
- Koala Freak Pina KoalaStaunch · off the market360 mg
- Kyolic Blood Pressure Health Formula 109Kyolic24 mg
- Kyolic Formula 109Kyolic24 mg
- Kyolic Nattokinase, SuntheanineKyolic24 mg
- Kyolic Nattokinase, Suntheanine Formula 109Kyolic24 mg
- L Theanine 200 mgAdvance Physician Formulas200 mg
- L-TheanineOL Olympian Labs · off the market400 mg
- L-TheanineDaVinci Laboratories Of Vermont · off the market200 mg
- L-TheaninePureBulk.com250 mg
- L-TheanineMetabolic Maintenance200 mg
- L-TheanineWhole Foods100 mg
- L-TheaninePureFormulas · off the market100 mg
- L-TheaninePrescribed Choice · off the market200 mg
- L-TheanineEnzymatic Therapy · off the market100 mg
- L-TheanineNOW285 mg
- L-TheanineProThera · off the market100 mg
- L-TheanineHard Rhino200 mg