Products
Label data from official national databases and brand websites, as declared; not lab-verified.
| Brand | Product | Per day | Country | Source | |
|---|---|---|---|---|---|
| California Gold Nutrition | L-Theanine 100 mg | 100 mg | United States | US NIH DSLD | |
| Nutriana | L-Theanine & Caffeine | 800 mg | United States | US NIH DSLD | |
| Higher Nature | L-Theanine | 100 mg | United States | US NIH DSLD | |
| BRI Nutrition | L-Theanine | 400 mg | United States | US NIH DSLD | |
| XYMOGEN | L-Theanine | 200 mg | United States | US NIH DSLD | |
| XYMOGEN | L-Theanine | 200 mg | United States | US NIH DSLD | |
| Host Defense Mushrooms Mycobenefits | Mood | 100 mg | United States | US NIH DSLD | |
| SuperSmart | L-Theanine | 400 mg | United States | US NIH DSLD | |
| Hyperbiotics | PRO-Mood with l-theanine | 100 mg | United States | US NIH DSLD | |
| Transform HQ | Caffeine + L-Theanine | 100 mg | United States | US NIH DSLD | |
| Host Defense Mushrooms MycoBenefits | Sleep | 50 mg | United States | US NIH DSLD | |
| Swanson | Suntheanine L-Theanine 100 mg | 200 mg | United States | US NIH DSLD | |
| XYMOGEN | L-Theanine | 800 mg | United States | US NIH DSLD | |
| Whole Foods | L-Theanine | 200 mg | United States | US NIH DSLD | |
| Integrative Therapeutics | L-Theanine | 300 mg | United States | US NIH DSLD | |
| Woodstock Vitamins | L-Theanine 200 mg | 800 mg | United States | US NIH DSLD | |
| Momentous | L-Theanine | 200 mg | United States | US NIH DSLD | |
| Country Life | L-Theanine 200 mg | 200 mg | United States | US NIH DSLD | |
| Pure | L-Theanine | 355 mg | United States | US NIH DSLD | |
| NuMedica | L-Theanine | 400 mg | United States | US NIH DSLD | |
| NOW | L-Theanine | 285 mg | United States | US NIH DSLD | |
| DaVinci Laboratories | L-Theanine 200 mg | 200 mg | United States | US NIH DSLD | |
| DaVinci Laboratories | L-Theanine 200 mg | 200 mg | United States | US NIH DSLD | |
| Higher Nature | L-Theanine | 100 mg | United States | US NIH DSLD | |
| Enzymatic Therapy | L-Theanine | 300 mg | United States | US NIH DSLD | |
| DaVinci Laboratories | L-Theanine 200 mg | 200 mg | United States | US NIH DSLD | |
| NutraBio | L-Theanine | 400 mg | United States | US NIH DSLD | |
| SuperiorLabs | L-Theanine | 500 mg | United States | US NIH DSLD | |
| Enzymatic Therapy | L-Theanine | 300 mg | United States | US NIH DSLD | |
| Sports Research | L-Theanine 200 mg | 200 mg | United States | US NIH DSLD |
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.