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 38 of 43), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Stress & Mood Balance ProbioticProbiogen · off the marketin a blend
- Stress Aways Ashwagandha Gummies with Added CBD Mixed BerryGreen Roads200 mg
- Stress BalanceCountry Life Gut Connection100 mg
- Stress Busters Natural Raspberry FlavorHyland's Naturals100 mg
- Stress DefenseJarrow Formulas · off the market100 mg
- Stress EaseAN American Nutriceuticals200 mg
- Stress FactorsBioGenesis Nutraceuticals · off the market100 mg
- Stress FactorsNutra BioGenesis100 mg
- Stress FormulaCreative Bioscience · off the market200 mg
- Stress FormulaSundown Naturals · off the market200 mg
- Stress GuardOregon's Wild Harvest50 mg
- Stress ManagerDivine Healthin a blend
- Stress ReleaseBody Kitchen100 mg
- Stress ReliefVimerson Healthin a blend
- Stress ReliefGNC Preventive Nutrition200 mg
- Stress ReliefBluebonnet Targeted Choice125 mg
- Stress Relief CapsulesBluebonnet Targeted Choice · off the market125 mg
- Stress Relief ComplexShaklee100 mg
- Stress Relief PlusEB Earth's Bounty · off the market200 mg
- Stress Relief PlusEarth's Bounty200 mg
- Stress ResetMegaFood200 mg
- Stress SaverSundown200 mg
- Stress Shield NighttimeCountry Life · off the market150 mg
- Stress SupportThe Vitamin Shoppe200 mg
- Stress SupportGNC Preventive Nutrition200 mg
- Stress SupportZoi Research100 mg
- Stress Support ComplexKlaire Labs · off the market400 mg
- Stress Support Gummies Delicious Lemon & Strawberry FlavorNature's Truth10 mg
- Stress Support Gummies Natural Lemon & Strawberry FlavorNature's Truth10 mg
- Stress Support Gummies Raspberry Sweet-Tea FlavoredDesigner Wellness100 mg
- Stress Support PackDouglas Laboratories100 mg
- Stress-DefyIrwin Naturals100 mg
- Stress-Defy Sleep PMIrwin Naturals200 mg
- StressAssistFuturebiotics100 mg
- StressMasterAdvanced Nutrition by Zahler100 mg
- StressTameJarrow Formulas · off the market100 mg
- Sublime EnergyDr. Rico Perezin a blend
- Sun Theanine 200 mgParadise200 mg
- Sunny MoodIrwin Naturals · off the market100 mg
- Sunny Mood with 5-HTPIrwin Naturals50 mg
- Sunny Mood with RhodiolaIrwin Naturals80 mg
- SunriseKyani50 mg
- SuntheanineNatural Factors Stress-Relax200 mg
- SunTheanineTomorrow's Nutrition Pro200 mg
- SuntheanineRevive100 mg
- SunTheanine 150 mgTomorrow's Nutrition150 mg
- Suntheanine 400 mgSuperSmart400 mg
- SunTheanine Citrus 100 mgTomorrow's Nutrition100 mg
- Suntheanine L-TheanineNatural Factors · off the market200 mg
- Suntheanine L-TheanineNatural Factors Stress-Relax · off the market200 mg