High-Dose L-Theanine Supplements

352 products above 200 mg

352 supplements contain high-dose L-Theanine (above 200 mg). The highest dosage product is Pro-Som Sleep at 500 mg.

High-Dose Products (sorted by dosage)

Product	Brand	Dosage	% DV
Pro-Som Sleepdiscontinued	Integrative Therapeutics	500 mg	—
DEFCON3 Mid-Stim Ballistic Berry Lemonade	Anabolic Warfare	500 mg	—
Hibernate Sleep Formula Peach Mango	Huge Supplements	500 mg	—
L-Theanine 500 mg	BulkSupplements.com	500 mg	—
Pro-Som	Integrative Therapeutics	500 mg	—
Calm/Recharge	Allergy Research Group	500 mg	—
L-Theanine (500 mg)	BulkSupplements.com	500 mg	—
Hibernate Peach Mango	Huge Nutrition	500 mg	—
Organic Ashwagandha Rhodiola rosea + L-Theanine with Black Pepper Extract	X Gold Health	400 mg	—
Sleep Advance	Logos Nutritionals	400 mg	—
Anxiety Reliefdiscontinued	AgeImmune	400 mg	—
Lean Dream	Fully Flora	400 mg	—
Sleep Well	Healthy Choice Naturals	400 mg	—
Stress Support Complexdiscontinued	Klaire Labs	400 mg	—
NanoSnooze	Biopharma Scientific	400 mg	—
L-Theanine	Pure Encapsulations	400 mg	—
Sleep Well	Supplement Spot	400 mg	—
Sleep Eazy	Totally Products	400 mg	—
L-Theanine 400 mg	OL Olympian Labs	400 mg	—
ProDoze	Nutracraft	400 mg	—
L-Theaninediscontinued	OL Olympian Labs	400 mg	—
L-Theanine 400 mg	Mental Refreshment	400 mg	—
Koala Freak 2.0 Pre-Workout Peach Mangodiscontinued	Staunch	380 mg	—
Koala Freak 2.0 Pre-Workout Aussie Applediscontinued	Staunch	380 mg	—
Koala Freak 2.0 Pre-Workout Blue 'Baz' Berrydiscontinued	Staunch	380 mg	—
Koala Freak 2.0 Tropical Mojitodiscontinued	Staunch	360 mg	—
Koala Freak 2.0 Aussie Applediscontinued	Staunch	360 mg	—
Koala Freak 2.0 Pre-Workout Strawberry Pina Koaladiscontinued	Staunch	360 mg	—
Preseries Bulk Blue Raspberry	Transparent Labs	360 mg	—
Koala Freak 2.0 Unicorn Blooddiscontinued	Staunch	360 mg	—
L-Theanine	Earthborn Elements	355 mg	—
Maniac Fruit Explosion	Anabolic Warfare	350 mg	—
Maniac Apple Ambush	Anabolic Warfare	350 mg	—
Maniac Guerilla Grape	Anabolic Warfare	350 mg	—
Pulse Fruit Punch	Legion	350 mg	—
Koala Freak 2.0 Pre-Workout Tropical Mojitodiscontinued	Staunch	300 mg	—
PRE Pre-Workout Complex Blue Raspberry	Nutricost Performance	300 mg	—
PRE Pre-Workout Complex Peach Mango	Nutricost Performance	300 mg	—
Sleep Aid	HTLT Essentials	300 mg	—
Rhodiola & Ashwagandha with L-Theanine	Swiss BioEnergetics	300 mg	—
L-Theanine 300	Everyday Health	300 mg	—
PRE Pre-Workout Complex Watermelon	Nutricost Performance	300 mg	—
ZuSleep Apple Cinnamon Flavor	UMZU	300 mg	—
Pre Watermelon	Nutricost Performance	300 mg	—
Pre-Workout Complex Blue Raspberry	Nutricost	300 mg	—
Macabre Reaperdiscontinued	Rising Labs	300 mg	—
HARD Extreme Black Lightning	Core Nutritionals	300 mg	—
HARD	Core Nutritionals	300 mg	—
HARD Extreme Pineapple Strawberry	Core Nutritionals	300 mg	—
Tao in a Bottle	Ron Teeguarden's Dragon Herbs	300 mg	—

Frequently Asked Questions

What is considered high-dose L-Theanine?

Based on 1,413 products in the NIH DSLD database, high-dose L-Theanine supplements contain 200+ mg.

Is high-dose L-Theanine safe?

This site presents supplement label data only. Consult a healthcare professional before taking high doses of any supplement, including L-Theanine.

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