Products

Label data from official national databases and brand websites, as declared; not lab-verified.

Ingredient

Min (mg)

Max

Country

Dosage form

Source

Brand	Product	Per day	Country	Source
Sports Research	L-Theanine + Caffeine	400 mg	United States	US NIH DSLD
Dr. Berg	L-Theanine	600 mg	United States	US NIH DSLD
Healthy Origins	L-Theanine 100 mg	200 mg	United States	US NIH DSLD
Pure Encapsulations	L-Theanine	1,200 mg	United States	US NIH DSLD
Healthy Origins	L-Theanine 100 mg	200 mg	United States	US NIH DSLD
XYMOGEN	L-Theanine	800 mg	United States	US NIH DSLD
Bluebonnet	L-Theanine 150 mg	150 mg	United States	US NIH DSLD
Bluebonnet	L-Theanine 150 mg	150 mg	United States	US NIH DSLD
Woodstock Vitamins	L-Theanine 200 mg	200 mg	United States	US NIH DSLD
Doctor's Best	L-Theanine With Suntheanine 150 mg	150 mg	United States	US NIH DSLD
Master Supplements	Suntheanine Veggie Capsules	150 mg	US	Brand website
Magnum Nutraceuticals	Mane Brain	200 mg	United States	US NIH DSLD
Advance Physician Formulas	L-Theanine, 200 mg, 60 Vegetable Capsules	200 mg	US	Brand website
Enzed Nutricorp Inc.	NiteEze	25 mg	Canada	Health Canada LNHPD
Swiss BioEnergetics	Rhodiola & Ashwagandha with L-Theanine	300 mg	United States	US NIH DSLD
X Gold Health	Ashwagandha Maca	200 mg	United States	US NIH DSLD
Healthy Directions	Beyond Ashwagandha	200 mg	United States	US NIH DSLD
Neuro Science Inc.	TRAVACOR	66.7 mg	Canada	Health Canada LNHPD
Distripharm Inc.	STRESS	50 mg	Canada	Health Canada LNHPD
SuperiorLabs	Melatonin Complex	50 mg	United States	US NIH DSLD
Schiff	Melatonin Ultra	25 mg	United States	US NIH DSLD
Life	Sleep Tonight	100 mg	United States	US NIH DSLD
Schiff	Melatonin Plus	25 mg	United States	US NIH DSLD
Schiff	Melatonin Plus	25 mg	United States	US NIH DSLD
AN Amazing Nutrition Amazing Formulas	Melatonin Plus L-Theanine	5.5 mg	United States	US NIH DSLD
Rainbow Light	Brain & Focus Multivitamin	75 mg	United States	US NIH DSLD
Vital Proteins	Matcha Collagen Latte Vanilla	20 mg	United States	US NIH DSLD
Designs for Health Ltd.	L-Theanine	200 mg	Canada	Health Canada LNHPD
1123573 BC Ltd.	Uplift - Mind & Body Rejuvenator	75 mg	Canada	Health Canada LNHPD
1123573 BC Ltd.	L-Theanine (Suntheanine®)	100 mg	Canada	Health Canada LNHPD

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For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.