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 18 of 43), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- L-Theanine 200 mgHard Rhino200 mg
- L-Theanine 200 mgHealth Thru Nutrition Naturally200 mg
- L-Theanine 200 mgAmazon Elements · off the market200 mg
- L-Theanine 200 mgThe Vitamin Shoppe200 mg
- L-Theanine 200 mgSuperior Source200 mg
- L-Theanine 200 mgAbsorb Health200 mg
- L-Theanine 200 mgVillage Vitality · off the market200 mg
- L-Theanine 200 mgtnvitamins200 mg
- L-Theanine 200 mgNature's Trove200 mg
- L-Theanine 200 mgDouble Wood Supplements200 mg
- L-Theanine 200 mgGNC200 mg
- L-Theanine 200 mgNutraBio · off the market200 mg
- L-Theanine 200 mgLamberts Healthcare200 mg
- L-Theanine 200 mgAN Amazing Nutrition Amazing Formulas200 mg
- L-Theanine 200 mgNutralife200 mg
- L-Theanine 200 mgSportsResearch200 mg
- L-Theanine 200 mgHealth Thru Nutrition200 mg
- L-Theanine 200 mgSR Sports Research200 mg
- L-Theanine 200 mgNutricost200 mg
- L-Theanine 200 mgBest Naturals200 mg
- L-Theanine 200 mgMetabolic Maintenance200 mg
- L-Theanine 200 mgCalifornia Gold Nutrition200 mg
- L-Theanine 200 mgLuckyVitamin200 mg
- L-Theanine 200 mgPuritan's Pride200 mg
- L-Theanine 200 mgProtocol For Life Balance200 mg
- L-Theanine 200 mgSource Naturals200 mg
- L-Theanine 200 mgSource Naturals Serene Science200 mg
- L-Theanine 200 mgBronson200 mg
- L-Theanine 200 mgEvlution Nutrition200 mg
- L-Theanine 200 mgVital Nutrients200 mg
- L-Theanine 200 mgDaVinci Laboratories200 mg
- L-Theanine 200 mgNature's Truth200 mg
- L-Theanine 200 mgLongevity Medical Clinic200 mg
- L-Theanine 200 mgWoodstock Vitamins400 mg
- L-Theanine 200 mgPure Nootropics200 mg
- L-Theanine 200 mgSports Research200 mg
- L-Theanine 200 mgBluebonnet200 mg
- L-Theanine 200 mgNature's Way200 mg
- L-Theanine 200 mgCountry Life200 mg
- L-Theanine 200 mgNature's Lab200 mg
- L-Theanine 200 mg & Valerian Extract 100 mgPuritan's Pride200 mg
- L-Theanine 200 mg CapsulesBulkSupplements.com200 mg
- L-Theanine 200 mg Double StrengthSwanson200 mg
- L-Theanine 200 mg Natural Mint FlavorVitamin World200 mg
- L-Theanine 200 mg Plus Gaba 100 mgDr. Mercola200 mg
- L-Theanine 200 mg Sweet CherryEZ Melts200 mg
- L-Theanine 200 mg UnflavoredNutricost200 mg
- L-Theanine 250 mgArazo Nutrition250 mg
- L-Theanine 250 mgKirkman250 mg
- L-Theanine 300Everyday Health300 mg