Supplement Prices

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1–100 of 129 products.Prices updated Aug 25, 2026, 3:32 PM.

$/g theanine ▼	Dose	Price	Size	Form	Rating	Name
$22.48	200 mg	$17.98	2× · 4 tabs · 4 srv	Tablets	4.6 (596)	Best Naturals L-Theanine 200mg per Tablet (400mg per 2 Tablets) - Promotes Relaxation Without Drowsiness - 120 Vegetarian Tablets - (120 Count (Pack of 2))
$21.88	200 mg	$17.50	120 caps · 4 srv	Capsules	4.6 (243)	VitaMonk Low Dose Caffeine L-Theanine Pills for Jitter-Free Energy \| Low Dose Caffeine Pills with L-Theanine - 25mg Caffeine and L-Theanine with Theobromine - No Jitters, No Crash; 60 Caps
~$9.99	~200 mg	$59.95	120 caps · 30 srv	Capsules	4.4 (99)	Metagenics Trancor GABA & L-Theanine Calming Support, 120 Capsules \| GABA, L-Theanine, Taurine, NAC and Green Tea Extract, Supports Calmness, Mood Balance, Sleep and Focus, Non-GMO, Gluten-Free
$8.67	200 mg	$52.00	60 caps · 30 srv	Capsules	3.7 (100)	THORNE Deep Sleep Complex, L-Theanine, Chamomile & Maizinol, 60 Capsules \| Supports Sleep Quality, Relaxation & All Phases of the Sleep Cycle*, Melatonin-Free, Gluten-Free, NSF Contents Certified
$7.33	100 mg	$22.00	60 caps · 30 srv	Capsules	4.6 (1.6K)	Integrative Therapeutics L-Theanine - Amino Acid Supplement for Stress & Relaxation Support* - Vegan, Gluten-Free & Dairy-Free - Third-Party Tested - 60 Capsules (30 Servings)
$7.08	100 mg	$42.50	60 caps · 60 srv	Capsules	4.5 (64)	Douglas Laboratories L-Theanine, 60 Capsules \| Promotes a Feeling of Calmness, L-Theanine is an Amino Acid that May Support a Fast-Acting Sense of Calmness
~$6.37	~200 mg	$38.21	30 caps · 30 srv	Powder	4.3 (6.8K)	Nello Supercalm Powdered Drink Mix Tub, Cortisol Reducer*, Sleep Aid Supplement, L Theanine, Ksm-66 Ashwagandha, Magnesium Glycinate, Vitamin D 3, No Sugar, Non GMO, 30 Ct, Raspberry Lemonade 2 ingredients Theanine—Magnesium—
$4.99	200 mg	$29.95	60 caps · 30 srv	Capsules	4.3 (68)	NeuroAlert Paraxanthine 200mg Caffeine Free Energy Supplement, 60 Capsules \| With 500mg L-Tyrosine & 100mg L-Theanine - Support for Alertness & Brain Energy - 30 Servings - Natural Stacks
$4.79	400 mg	$115.00	120 caps · 60 srv	Capsules	4.7 (950)	Pure Encapsulations L-Theanine, 120 Capsules \| Amino Acid Supplement to Support Relaxation, Stress and Nervous System*
$4.50	200 mg	$26.99	60 tabs · 30 srv	Tablets	4.5 (72)	MegaFood L-Theanine 200mg & B Complex with Zinc & Lemon Balm, 60 Tablets \| L Theanine Supplement & Vitamin B Complex of Methylated B12, B6, Methylfolate, Biotin, Stress Support, Vegan, 30 Servings 3 ingredients Theanine—Zinc—Vitamin B12—
$4.11	100 mg	$36.99	90 caps · 90 srv	Capsules	4.4 (1K)	Neuro Energy & Focus Gum, Extra Strength, Peppermint, 90 Count \| 100mg Natural Caffeine Gum, 60mg L-Theanine, Vitamin B6 + B12, Sugar Free, Vegan, Clean Nootropic Energy & Focus Supplement 2 ingredients Theanine—Vitamin B12—
$3.78	200 mg	$68.00	90 caps · 90 srv	Capsules	4.7 (865)	THORNE Theanine, 200 mg L-Theanine Supplement, 90 Capsules \| Supports a Healthy Stress Response, Relaxation, Focus, Memory & Positive Mood*, Clinically Studied, NSF Contents Certified
$3.68	200 mg	$44.19	60 caps · 60 srv	Capsules	4.6 (561)	ARG 200 mg of Zen L-Theanine GABA Formula, 60 Capsules \| 200 mg L-Theanine and 550 mg GABA for Calm and Stress Balance, Vegetarian and Hypoallergenic
$3.67	200 mg	$21.99	60 tabs · 30 srv	Tablets	4.5 (1.3K)	EZ Melts Dissolvable L-Theanine 200 mg, 60 Tablets, Sweet Cherry \| Stress & Relaxation Support Supplement, No Artificial Flavors, No Drowsiness, Non-GMO & Vegan
~$3.50	~200 mg	$84.00	120 caps · 120 srv	Capsules	4.6 (541)	Neuroscience TravaCor Mood Support Supplement, 120 Capsules \| GABA and Serotonin for Stress and Emotional Balance, L-Theanine, 5-HTP & B Vitamins
$3.45	200 mg	$20.69	30 gummies · 30 srv	Gummies	4.4 (286)	SOLARAY L Theanine 200mg, Mood Support Supplement with Vitamin B6 - Calming Support During Occasional Stress - Natural Lemon Lime Flavor - 60-Day Guarantee, Lab Verified - 30 Servings, 30 Chewables
$3.44	150 mg	$15.50	30 caps · 30 srv	Capsules	4.6 (5)	Bluebonnet Nutrition L-Theanine 200 MG, 30 CT
$3.34	200 mg	$80.20	120 caps · 120 srv	Capsules	4.7 (76)	DAVINCI Labs L-Theanine, 120 Vegetarian Capsules \| Dietary Supplement to Help with Concentration, Focus, Relaxation and Irritability*, with 200 mg L-Theanine per Serving
$3.33	200 mg	$39.99	60 srv	Capsules	4.6 (266)	Momentous L-Theanine Supplement, Supports Relaxation & Focus, 200mg \| Promotes Calm, Sleep Quality, & Cognitive Function, NSF Certified for Sport, Non-GMO & Gluten-Free (60 Servings)
$3.25	200 mg	$38.99	60 caps · 60 srv	Capsules	4.5 (305)	Vital Nutrients L-Theanine 200mg, 60 Capsules \| Supports Calm & Relaxation, Normal Stress Levels & Cognitive Function,* Formulated without Gluten, Dairy, Soy, Vegan
$3.19	200 mg	$28.70	45 caps · 45 srv	Capsules	4.7 (48)	SOLARAY L-Theanine 200 mg with Green Tea, 45 VegCaps \| Mood, Relaxation & Occasional Stress Support, 45 Servings, Vegan, Gluten Free, Lab Verified
$3.17	100 mg	$18.99	60 caps · 60 srv	Capsules	4.4 (155)	Nootropics Depot Caffeine and L-Theanine Capsules \| 60 Count \| Contains 200mg of Caffeine and 100mg of L-Theanine \| Natural Supplement \| Energy Booster \| Mental Focus + Alertness \| Coffee Alternative
$3.15	200 mg	$18.87	60 tabs · 30 srv	Tablets	4.6 (1.8K)	Natural Factors Suntheanine L-Theanine for Calm, 200 mg, 60 Chewable Tabs \| Pure Suntheanine L-Theanine to Support Calm Focus, Relaxation, Sleep Quality, Stress Response & Nervous System Health
$3.08	200 mg	$18.49	30 caps · 30 srv	Capsules	4.6 (12)	Source Naturals Serene Science L-Theanine, 200 mg - 30 Capsules \| for Focused Relaxation*
$3.00	200 mg	$18.00	60 caps · 30 srv	Capsules	4.6 (1K)	Life Extension L-Theanine, Amino Acid theanine, Calm, Relaxation, Mood, Gluten-Free, Non-GMO, Vegetarian, 200 mg, 60 Capsules
$3.00	200 mg	$35.99	60 caps · 60 srv	Capsules	4.6 (88)	GNC L-Theanine 200mg, Promotes Relaxation, 60 Capsules \| Promotes Relaxation, Supports Calm During Stress, Offers Calming Support for PMS, Supports a Restful Relaxed State
~$2.92	~200 mg	$70.00	120 caps · 120 srv	Capsules	4.6 (92)	Metabolic Maintenance L-Theanine Suntheanine 200 mg, 120 Capsules \| Suntheanine GABA Modulator Amino Acid for Calm Focus and Relaxation, Non-Drowsy, Hypoallergenic Formula
~$2.92	~200 mg	$35.00	60 tabs · 60 srv	Tablets	4.5 (385)	NeuroScience GABA Trex, Chewable Calm Aid Tablets, Grape Flavored, 60 Count \| Promotes Rest, Relaxation & Stress Support, Sleep Aid, Mood & Serotonin Regulation, Men & Women, GABA & L-Theanine, Vegan
$2.83	100 mg	$16.99	60 caps · 60 srv	Capsules	4.3 (99)	PureFormulas L Theanine Supplement 100 mg, L-Theanine Supports Stress Levels, Relaxed State, Mood, Sleep, Dairy Free, Soy Free, Non-GMO 60 Vegetarian Capsules
$2.79	200 mg	$16.46	59 g · 30 srv	Liquid	4.7 (1.3K)	MaryRuth's L-Theanine Liquid Drops, Lemon Lime, 2 oz \| Supports Relaxation, Mood, Stress, Sleep, & Cognitive Function, L-Theanine 200mg, Amino Acid, Vegan, CLP Purity Award Winner
$2.52	200 mg	$30.29	60 caps · 60 srv	Capsules	4.7 (236)	Country Life L-Theanine 200 mg with Vitamin B6, 60 Capsules \| Clinically studied Suntheanine supports focus and relaxation; vegan, gluten-free and Non-GMO Project Verified
$2.49	200 mg	$44.84	90 caps · 90 srv	Capsules	4.6 (109)	SOLARAY L-Theanine 200 mg with Green Tea, 90 VegCaps \| Mood, Relaxation & Occasional Stress Support, L-Theanine with Green Tea, 90 Servings, Vegan, Gluten Free & Lab Verified
$2.46	200 mg	$36.89	75 gummies · 75 srv	Gummies	4.4 (286)	SOLARAY L Theanine 200mg, Mood Support Supplement with Vitamin B6 - Calming Support During Occasional Stress - Natural Lemon Lime Flavor - 60-Day Guarantee, Lab Verified - 75 Servings, 75 Chewables
$2.22	200 mg	$26.60	60 caps · 60 srv	Capsules	4.6 (2.4K)	Jarrow L-Theanine Supplement 200 mg, Dietary Supplement, 60 Capsules \| L-Theanine 100mg Veggie Capsules, Extra Strength, 60 Day Supply, Supports Relaxation And Stress Reduction
$2.17	200 mg	$26.00	60 caps · 60 srv	Capsules	4.6 (113)	PROTOCOL FOR LIFE BALANCE L-Theanine 200mg, Stress Relief, 60 Veg Caps \| Support Relaxed but Alert Temperament, Supports Brain Health and Efficiency*, Free of Dairy, Gluten, and Soy, Non-GMO, Vegan
$2.17	200 mg	$25.99	60 caps · 60 srv	Capsules	4.2 (48)	partiQlar L-Theanine 200mg - Calm Focus, Stress & Sleep Support, 60 Caps \| High Potency L-Theanine Nootropic Supplement - Concentrated Amino Acid Capsules for Daily Calm Focus & Relaxation Boost
$2.17	200 mg	$25.99	60 caps · 60 srv	Capsules	4.5 (30)	Premier Research Labs L-Theanine Double Strength - Pure L Theanine Supplement 200mg, Focus & Energy Support for Men & Women, Amino Acid for Relaxation, Support for Adults & Kids - 60 Vegan Capsules
$2.13	200 mg	$12.76	30 caps · 30 srv	Capsules	4.6 (269)	BlueBonnet Nutrition L-Theanine 200 mg, 30 Vegetable Capsules \| Non-GMO, Vegan, Gluten-Free
$2.12	200 mg	$25.49	60 caps · 60 srv	Capsules	4.4 (142)	Swanson Double Potency Suntheanine L-Theanine 200 mg, 60 Veggie Capsules \| Calm and Focus Supplement for Stress-Prone Professionals Seeking Balanced Wellbeing, Patented Suntheanine Formula
$2.08	200 mg	$25.00	60 caps · 60 srv	Capsules	4.3 (26)	Tomorrow's Nutrition Suntheanine L-Theanine 200 mg - Improve Focus, Reduce Stress, Sleep Support - 60 Veggie Capsules
$2.04	200 mg	$36.72	200 g · 90 srv	Capsules	4.5 (787)	Nature's Way L-Theanine, Stress Relief, Relaxation Support, 180 ct \| 200 g L-Theanine per 2-Capsule Serving, Fast-Acting(1) Amino Acid for a Calm Mind Without Daytime Drowsiness*, Drug Free
$2.01	200 mg	$48.29	120 caps · 120 srv	Capsules	4.7 (211)	Source Naturals, Serene Science® L-Theanine, 200 mg - 120 Capsules \| Made with Suntheanine \| For Focused Relaxation
$2.00	200 mg	$19.99	30 g · 50 srv	Liquid	4.6 (461)	FWS L Theanine Liquid Drops, 200mg 99% Pure Bioactive L-Theanine, Organic, Natural, Vegan, Non GMO Helps to Promote Calmness, Relaxation, Improved Mood, Restful Sleep, for Adults and Kids
$2.00	200 mg	$19.99	100 tabs · 50 srv	Tablets	4.6 (126)	Superior Source L-Theanine 200 mg, 100 Sublingual Tablets \| Brain Health Supplement Supporting Natural Relaxation, Better Sleep, Concentration and Daily Energy for Adults
$1.91	200 mg	$22.95	60 caps · 60 srv	Softgels	4.5 (3.6K)	Sports Research® L-Theanine + Caffeine Nootropic Supplement - 60 Softgels \| Double Strength L-Theanine 200mg & Organic Caffeine 100mg w/Coconut MCT Oil for Focused Energy - 60 Servings
~$1.83	~200 mg	$21.98	60 caps · 60 srv	Capsules	4.9 (57)	365 by Whole Foods Market, L Theanine Double Strength 200mg, 60 Count
$1.83	200 mg	$21.95	60 gummies · 60 srv	Gummies	4.1 (243)	kindnature L-Theanine 200mg Gummies for Kids 4+ & Adults – Pure Single-Ingredient Calm & Focus Chewables – Clinical Dose, Non-Drowsy Relaxation – Vegan, Mixed Berry – 60 Ct
$1.75	400 mg	$21.00	30 tabs · 30 srv	Tablets	4.6 (400)	Life Extension Theanine XR™ Stress Relief – L-Theanine – Promotes a Calm Response to Daytime Stress – Non-GMO, Gluten-Free, Vegetarian – 30 Tablets \| Promotes a Calm Response to Daytime Stress with L-Theanine; Non-GMO, Gluten-Free, Vegetarian Stress Relief Formula
$1.74	200 mg	$20.89	60 caps · 60 srv	Capsules	4.2 (4.2K)	Zhou Energy + Focus - 200mg L-Theanine - 60 Vegetarian Capsules (Pack of 1) \| L Theanine Caffeine Pills, 100mg Natural Anhydrous Caffeine Boost for Adults, Men & Women, Slow Extended Release
$1.71	200 mg	$40.99	2× · 240 tabs · 120 srv	Tablets	4.5 (1.3K)	EZ Melts Dissolvable L-Theanine 200 mg, 120 Tablets, Sweet Cherry \| Stress & Relaxation Support Supplement, No Artificial Flavors, No Drowsiness, Non-GMO & Vegan
$1.67	200 mg	$19.99	60 caps · 60 srv	Capsules	4.4 (117)	BESTVITE Double Strength Suntheanine L-Theanine 200mg (60 Veg Caps) - Vegan \| Patented & Clinically Studied - No Stearates - Non GMO - Gluten Free - Relaxation Support*
$1.66	200 mg	$19.96	60 caps · 60 srv	Capsules	4.6 (269)	Bluebonnet Nutrition L-Theanine 200mg, Free-Form Amino Acid, Promotes Relaxation*, Soy-Free, Gluten-Free, Non-GMO, Kosher Certified, Vegan, 60 Vegetable Capsules, 60 Servings \| Non-GMO, Vegan, Gluten-Free
$1.66	200 mg	$19.95	60 caps · 60 srv	Softgels	4.5 (15.3K)	Sports Research® L-Theanine 200mg with Suntheanine®, 60 Softgels \| Double Strength Relaxation, Focus & Mood Support - Made w/ Organic Coconut Oil \| Non-GMO, Gluten-Free, 60 Servings
$1.65	200 mg	$9.90	60 caps · 30 srv	Capsules	4.4 (63)	L-Theanine 200mg with Saffron, GABA, Magnesium Glycinate & VIT.B6 \| Advanced Complex Formula for Mood Relaxation & Stress Relief & Sleep Support, 60 Vegan Capsules, Non GMO, Gluten-Free 2 ingredients Theanine—Magnesium—
$1.62	200 mg	$38.95	120 caps · 120 srv	Softgels	4.5 (15.3K)	Sports Research® L-Theanine 200mg with Suntheanine®, 120 Softgels \| Double Strength Relaxation, Focus & Mood Support - Made w/ Organic Coconut Oil \| Non-GMO, Gluten-Free, 120 Servings
$1.58	200 mg	$18.99	60 caps · 60 srv	Capsules	4.3 (737)	Nootropics Depot Caffeine and L-Theanine Capsules \| 60 Pills \| Contains 100mg of Caffeine and 200mg of L-Theanine \| Natural Supplement \| Energy Booster \| Mental Focus + Alertness \| Coffee Alternative
$1.58	400 mg	$18.95	60 caps · 30 srv	Capsules	5 (6)	L-Theanine Supplement 400mg Double Strength – L-Theanine with Inositol \| Supports Relaxation & Focus, Advanced Formula, 60 Capsules
$1.54	100 mg	$13.90	90 gummies · 90 srv	Gummies	4.6 (605)	NOW Supplements, L-Theanine 100 mg with Inositol and Taurine, Tension Management*, 90 Chewables
$1.50	200 mg	$26.99	90 caps · 90 srv	Capsules	4.7 (699)	Dr. Berg 600 mg L-Theanine Adrenal Support - 90 Capsules with Ashwagandha & L-Tyrosine, Zinc & Manganese - Advanced 9-in-1 Adaptogen & Mineral Formula - No Fillers* 2 ingredients Theanine—Zinc—
$1.50	400 mg	$17.99	60 gummies · 30 srv	Gummies	4.6 (30)	L-Theanine Gummies, 400mg l'theanine Chewable Supplement with Ashwagandha, GABA, Lemon Balm, 5-HTP, Vitamin B6, Support Zzz, Relax & Emotion, Vegan, Sugar Free, Pineapple Flavor, 60 Count
$1.33	200 mg	$15.99	60 caps · 60 srv	Capsules	4.5 (350)	Doctor's BEST L-Theanine Caps 200mg for Men & Women - L Theanine AlphaWave Supplement for Calm & Focus Support, Helps Reduce Stress, Vegan, Gluten Free, Soy Free, Non GMO - 60 Veg Capsules \| L Theanine AlphaWave Supplement for Calm & Focus Support, Helps Reduce Stress, Vegan, Gluten Free, Soy Free, Non GMO
$1.33	200 mg	$15.90	60 caps · 60 srv	Capsules	4.4 (333)	ANDREW LESSMAN L-Theanine 200 mg Calm Focus Supplement 60 Capsules \| Pure L-Theanine 200 mg to support calm attention and focused alertness without drowsiness.
$1.32	200 mg	$15.81	60 caps · 60 srv	Capsules	4.7 (7.4K)	NOW Foods Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 60 Veg Capsules
$1.28	200 mg	$22.99	90 caps · 90 srv	Capsules	4.5 (54)	NutraBio L-Theanine Supplement, 200mg - May Help Promote and Support Relaxation, 90 Capsules
$1.27	200 mg	$12.74	50 tabs · 50 srv	Tablets	4.6 (2K)	Nature Made Chewable L Theanine 200mg, 50 Chewable Tablets \| L-Theanine Supplement for Stress Relief, 100% Drug Free, Suitable for Vegetarians, Tropical Fruit Flavor, 50 Day Supply
$1.25	500 mg	$37.59	120 gummies · 60 srv	Gummies	4.5 (107)	L Theanine Calm Gummies 500mg + Saffron + Magnesium Glycinate + GABA,120Cts \| Sugar-Free Liposomal L-Theanine Supplement, w/Ashwagandha, Algae Omega-3, Vitamin D3 B12, for Brain Calm, Relax, Mood, Zzz 4 ingredients Theanine—Vitamin D3—Magnesium—Vitamin B12—
$1.16	400 mg	$13.97	30 srv	Liquid	4.4 (223)	L Theanine Liquid Drops, Pure L-Theanine 400mg for Adults and Kids, Organic High Absorption L Theanine Supplement, Natural Focus Supplement, Non-GMO \| Gluten Free \| 30 Servings
~$1.15	~200 mg	$13.82	201 g · 60 srv	Capsules	4.5 (787)	Nature's Way L-Theanine, Stress Relief, Relaxation Support, 60 ct \| 201 g L-Theanine per 2-Capsule Serving, Fast-Acting(1) Amino Acid for a Calm Mind Without Daytime Drowsiness*, Drug Free
$1.15	200 mg	$23.03	100 caps · 100 srv	Capsules	—	Joyable L-Theanine 200mg Supplement - 100 Veggie Capsules, Caffeine Free, Non-GMO, Vegan
$1.11	200 mg	$19.99	90 caps · 90 srv	Capsules	4.5 (455)	Nootropics Depot L-Theanine Capsules 200mg (90 Count) \| Promotes Relaxation \| Supports Healthy Stress Levels + Sleep Cycles \| Promotes Cognitive Function + Focus \| Amino Acid Supplement
$1.08	200 mg	$38.99	180 caps · 180 srv	Capsules	4.3 (737)	Nootropics Depot Caffeine L-Theanine Capsules \| 180 Pills \| Contains 100mg of Caffeine and 200mg of L-Theanine \| Brain Booster \| Energy Supplement \| Increase Mental Focus + Alertness \|
$1.04	200 mg	$25.07	2× · 120 caps · 120 srv	Capsules	4.7 (292)	NOW Foods L-Theanine 200 mg, 60 Vegetable Capsule (2 Pack)
$1.00	400 mg	$11.99	60 gummies · 30 srv	Gummies	4.4 (103)	L-Theanine Gummies with L-Theanine 400 mg, Ashwagandha, GABA, 5-HTP, Magnesium Glycinate for Calm, ZZZ & Relaxation Support - Vegan, Raspberry Flavor, 60 Count 2 ingredients Theanine—Magnesium—
$1.00	200 mg	$19.95	100 caps · 100 srv	Capsules	4.8 (28)	ForestLeaf L Theanine Supplement - L-Theanine 200mg with Ashwagandha and Magnesium for Focus, Stress Relief & Relaxation - Non-GMO & Gluten Free - 100 Caps 2 ingredients Theanine—Magnesium—
$0.97	200 mg	$34.90	180 caps · 180 srv	Capsules	4.4 (333)	ANDREW LESSMAN L-Theanine 200 mg Calm Focus Supplement 180 Capsules \| Pure L-Theanine 200 mg to support calm attention and focused alertness without drowsiness.
$0.90	200 mg	$10.79	60 caps · 60 srv	Capsules	4.4 (1.4K)	Amazon Elements - L-Theanine, 200mg, 60 Capsules, Vegan and gluten free, 2 month supply (Packaging may vary)
$0.90	500 mg	$26.90	60 caps · 60 srv	Capsules	3.8 (52)	Max Strength Caffeine L Theanine Pills (200mg/500mg) - No Jitters Peak Energy, Focus, Performance, Alertness - Caffeine Pills & L-Theanine Capsules, No Crash & Drowsiness, Potent Supplement, 60 Count
$0.89	550 mg	$58.69	120 caps · 120 srv	Capsules	4.6 (561)	Allergy Research Group ARG 200 mg of Zen L-Theanine and GABA, 120 Capsules \| 200 mg L-Theanine and 550 mg GABA for Calm and Stress Balance, Vegetarian and Hypoallergenic
$0.87	200 mg	$20.76	120 caps · 120 srv	Capsules	4.7 (7.4K)	NOW Foods Supplements, L-Theanine 200 mg with Inositol, Stress Management*, 120 Veg Capsules
$0.83	200 mg	$29.99	180 caps · 180 srv	Capsules	4.5 (455)	Nootropics Depot L-Theanine Capsules 200mg (180 Count) \| Promotes Relaxation \| Supports Healthy Stress Levels + Sleep Cycles \| Promotes Cognitive Function + Focus \| Amino Acid Supplement
$0.83	200 mg	$29.97	180 caps · 180 srv	Capsules	4.8 (905)	NOW Foods L-Theanine, Double Strength 200 mg Per Cap - 180 Veg Capsules - Enhanced with 100mg Inositol - Vegetarian, Non-GMO - Ltheanine 200mg Supplement
$0.83	200 mg	$9.99	60 gummies · 60 srv	Gummies	—	L Tyrosine Gummies 1000mg with L-Theanine 200mg & Vitamin B6 GMP \| Sugar Free Peach Flavor, Support Energy, Focus & Balanced Daily Mood for Kids & Adults, Vegan Non-GMO Gluten Free 60 Gummies
$0.83	200 mg	$19.95	120 caps · 120 srv	Capsules	4.7 (1.6K)	L-Theanine 200mg, Calm Focus + Relaxation Without Drowsiness, 120 Capsules \| Calm Focus + Relaxation Supplement, 200mg Double-Strength Single-Ingredient, Non-Sedating, AM or PM, 4-Month Supply, Non-GMO
$0.83	200 mg	$9.95	60 caps · 60 srv	Capsules	4.7 (1.6K)	L-Theanine 200mg, Calm, Restful Sleep & Focus, 60 Capsules \| Calm & Stress Relief, Restful Sleep Support, Calm Focus Without Jitters, Non-GMO, Third-Party Tested
$0.81	200 mg	$57.99	2× · 360 caps · 360 srv	Capsules	4.8 (905)	NOW Foods L-Theanine, Double Strength 200 mg Per Cap - 180 Veg Capsules (Pack of 2) (360 Total caps) - Enhanced with 100mg Inositol - Vegetarian, Non-GMO - Ltheanine 200mg Supplement
$0.79	400 mg	$18.95	60 gummies · 60 srv	Gummies	4.2 (32)	L-Theanine Gummies 400mg, L-Theanine Supplement for Calm & Focus Support \| Vegan, Raspberry Flavor, 60 Count
$0.75	200 mg	$8.99	60 caps · 60 srv	Capsules	4.4 (60)	Nature's Truth L Theanine \| 200mg \| 60 Quick Release Capsules \| Non-GMO & Gluten Free Supplement
$0.75	400 mg	$17.90	120 caps · 60 srv	Capsules	4.6 (2.2K)	L-Theanine 400 mg - L Theanine for Stress Relief - Plant Based - 120 Caps \| Extra Strength L Theanine Supplement for Men & Women - Relaxation, Sleep & Calm Support - Lab Tested, Vegan, Non-GMO
$0.71	200 mg	$16.95	120 caps · 120 srv	Capsules	4.4 (59)	NutraChamps L-Theanine 200mg Capsules \| Double-Strength L-Theanine Liquid with Vitamin D3, Organic Coconut Oil \| Supports Mood, Focus, Stress Relief \| for Kids & Adults \| 120 Vegan Capsules 2 ingredients Theanine—Vitamin D3—
$0.69	200 mg	$24.97	180 caps · 180 srv	Capsules	4.5 (396)	L Theanine 200mg, Relaxation Focus & Mental Clarity Support, 6 Month Supply \| L-Theanine Supplement for a Healthy Stress Response and Sense of Calm Support, Non-Drowsy, Vegan & Non-GMO, 180 Capsules
$0.66	400 mg	$19.73	150 caps · 75 srv	Softgels	4.1 (68)	L-Theanine 400mg with Magnesium Glycinate,150 Softgels \| Extra Strength with MCT Oil for Calm, Relaxation & Focus Support - Non-GMO,Gluten & Soy-Free,75-Day Supply 2 ingredients Theanine—Magnesium—
$0.62	200 mg	$24.99	400 caps · 200 srv	Softgels	4.6 (849)	Micro Ingredients L-theanine 200mg Per Serving with Magnesium Glycinate \| Made with Coconut & MCT Oil \| 400 Softgels \| 2-in-1 Formula \| Amino Acid & Mineral Complex \| Non-GMO, Gluten Free, Soy Free 2 ingredients Theanine—Magnesium—
$0.62	200 mg	$14.99	120 caps · 120 srv	Capsules	4.6 (70)	BESTVITE L-Theanine 200mg (120 Veg Caps) - No Stearates - Vegan - Non GMO \| Gluten Free - Relaxation Support*
$0.62	200 mg	$7.49	60 caps · 60 srv	Capsules	4.6 (71)	EVL L-Theanine 200mg Capsules for Focus & Relaxation - 60 Servings \| Nootropic Formula With 200Mg L-Theanine Per Serving Supports Attention, Mental Energy, Mood And Daily Focus
$0.59	200 mg	$14.17	120 caps · 120 srv	Capsules	4.1 (86)	Aromatik Caffeine L-Theanine Focus Supplement \| Caffeine (100 mg) + L-Theanine (200 mg) + B Vitamins \| Energy Focus Cognition \| USA Made at FDA Registered Facility \| Vegan Capsules \| 120 Servings
$0.58	400 mg	$27.99	120 gummies · 120 srv	Gummies	4.7 (35)	L-Theanine Gummies, 400mg l'theanine Chewable Supplement with Ashwagandha, GABA, Lemon Balm, 5-HTP, Vitamin B6, Support Zzz, Relax & Emotion, Vegan, Sugar Free, Pineapple Flavor, 120 Count
$0.58	100 mg	$13.95	240 caps · 240 srv	Capsules	4.4 (2.4K)	Nutricost Caffeine with L-Theanine, 100mg of Each, 240 Capsules \| GMO-Free and Gluten Free, 240 Servings
$0.54	200 mg	$12.99	120 caps · 120 srv	Capsules	4.3 (81)	Innate Vitality L-Theanine Supplement 200 mg, Ashwagandha, Magnesium Glycinate, Inositol, Vitamin B6, Non-GMO, Hormone Harmony, Relaxation, Mental Performance and Energy Support, 120 Capsules 2 ingredients Theanine—Magnesium—
$0.53	200 mg	$15.99	150 caps · 150 srv	Capsules	4.6 (396)	PRISTINE'S L-Theanine 200mg Capsules Sleep & Relaxation, Vegan, 150 Count \| Calm focus, sleep and relaxation support without caffeine or stimulants. 150 count, vegan, non-GMO, gluten-free glass bottle
$0.50	200 mg	$11.99	120 caps · 120 srv	Capsules	4.5 (29)	NatureWise Double Strength L-Theanine 200mg - Vegan L Theanine Supplement for Relaxation + Sleep Support - NSF Gluten-Free Certified - Non-GMO, USA Manufactured - 120 Capsules[120 Day Supply]

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Supplement Prices (United States)