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 19 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 400 mgOL Olympian Labs400 mg
- L-Theanine 400 mgMental Refreshment400 mg
- L-Theanine Calm CapsNature's Truth200 mg
- L-Theanine Capsules 200 mgNootropics Depot200 mg
- L-Theanine Chewable 200 mg Tropical FruitNature Made200 mg
- L-Theanine Chewables 200 mg Natural Lemon Lime FlavorSolaray200 mg
- L-Theanine ComplexSolgar120 mg
- L-Theanine Double Strength - 200 mgNOW · off the market200 mg
- L-Theanine Extra StrengthBRI Nutrition200 mg
- L-Theanine LiquidNuMedica200 mg
- L-Theanine Liquid Natural Lemon FlavorNuMedica · off the market200 mg
- L-Theanine PowderNootropics Depot100 mg
- L-Theanine PowderHerbadiet100 mg
- L-Theanine Relax 200 mg Refreshing MintGNC · off the market200 mg
- L-Theanine SolutionNatrium Health100 mg
- L-Theanine Stress Formula with Calming BlendSundown Naturals · off the market200 mg
- L-Theanine With Green Tea 200 mgSolaray200 mg
- L-Theanine With Suntheanine 150 mgDoctor's Best · off the market150 mg
- Last ThingBeachbody200 mg
- Lean Body Hi-Energy Fat BurnerLabrada Nutrition · off the market20 mg
- Lean Body Hi-Energy Fat Burner Fruit PunchLabrada · off the market20 mg
- Lean DreamFully Flora400 mg
- Lean EdgeSNS Serious Nutrition Solutions100 mg
- Lean PMJacked Factory JF · off the market250 mg
- Lean PMJacked Factory200 mg
- LeanFire PMForce Factorin a blend
- Leanfire UltimateForce Factor250 mg
- LeanFuel ExtremeIronMagLabsin a blend
- Learner's EdgeIntegrative Therapeutics25 mg
- LeptiFitWholeHealth150 mg
- Less Stress, More Yes Mango LemonN by Nutrilite50 mg
- Less-Stress Weight SupportIrwin Naturals25 mg
- LibidoNugenix for Women200 mg
- Libido RescueCountry Life Vitamins100 mg
- Libido-Max For Women With Patented SensorilApplied Nutritionin a blend
- Libido-Max PinkApplied Nutritionin a blend
- LifeCodeagein a blend
- Lighten UpRon Teeguarden's Dragon Herbsin a blend
- Lights OutRoexin a blend
- Lights OutRon Teeguarden's Dragon Herbsin a blend
- Lights Out SleepALLMAX50 mg
- Limitless MindLean Factor250 mg
- Lipo 100 HardcoreBody Attack201 mg
- Lipo6 Black Nighttime Ultra ConcentrateNutrex Research Black Seriesin a blend
- Lipo6 Dynamix Blackberry LemonadeNutrex Researchin a blend
- Lipo6 Dynamix Strawberry KiwiNutrex Researchin a blend
- LipoNitroIntechra Healthin a blend
- LipoplexBioSource Elitein a blend
- LipoShredMax Drive Nutritionin a blend
- Liposomal GABAQuicksilver Scientific100 mg