| $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 |
| $3.08 | 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* |
| $3.15 | 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* |
| $3.17 | 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 |
| $3.19 | 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 |
| $3.25 | 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 |
| $3.33 | 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) |
| $3.34 | 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 |
| $3.44 | 150 mg | $15.50 | 30 caps · 30 srv | Capsules | 4.6 (5) | Bluebonnet Nutrition L-Theanine 200 MG, 30 CT |
| $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 |
| ~$3.50 | ~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 |
| $3.67 | 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 |
| $3.68 | 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 |
| $3.78 | 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 |
| $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 Supplement2 ingredientsTheanine—Vitamin B12— |
| $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 Servings3 ingredientsTheanine—Zinc—Vitamin B12— |
| $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* |
| $4.99 | 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 |
| ~$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 Lemonade2 ingredientsTheanine—Magnesium— |
| $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* |
| $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) |
| $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 |
| ~$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 |
| $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 |
| $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)) |
| — | 200 mg | $13.95 | — | Capsules | 4.2 (122) | Health Thru Nutrition L-Theanine 200mg 60 Vegecaps PhytoSure Certified | Supports Healthy Relaxation & Focus | 3rd Party Tested | Clean Label, Non-GMO, Gluten & Soy Free, Hypoallergenic |
| — | 200 mg | $29.95 | — | Capsules | 4.4 (2.6K) | Clean Nutraceuticals GABA 750mg 5 HTP 200mg L Tryptophan 500mg L Theanine 200mg Ashwagandha SAM-e L-Glycine - Mood Support Vitamins for Women and Men with L-Tyrosine 5-HTP (5-Hydroxytryptophan) |
| — | 100 mg | $29.99 | — | Gummies | 3.6 (99) | Energy & Focus Gummies | 100mg Natural Caffeine + L-Theanine + Vitamin B6 & B12 + CoQ10 | Nootropic Cognitive Brain Performance Supplement | No Crash or Jitters2 ingredientsTheanine—Vitamin B12— |
| — | ~200 mg | $24.95 | — | Gummies | 4.3 (160) | AuraZen Mood Support Saffron Gummies L-Theanine Ashwagandha Rhodiola St John's Wort Lions Mane GABA Vitamin D Magnesium Supplement | Calm Vegan Plant-Based Herbal Gummy By Clean Nutra2 ingredientsTheanine—Magnesium— |