Best L Theanine Supplements
Compare 125+ L Theanine supplements using our data-driven ranking system. We analyze value (cost per unit of active ingredient), potency (strength per serving), and convenience (pills per day) to help you find the best option for your needs.
Top Picks in L Theanine
All L Theanine Products (125)
Force Factor
Force Factor, LeanFire®, 30 Vegetable Capsules
Score: 98$0.34/srv
★4.4(16,369)
Force Factor
Force Factor, LeanFire®, 60 Vegetable Capsules
Score: 98$0.34/srv
★4.4(16,369)
Organika
Organika, L-Theanine, 225 mg, 90 Vegetarian Capsules
Score: 94$0.14/srv
★4.8(251)
fitcode
fitcode, L-Theanine, 200 mg, 60 Veggie Capsules
Score: 85$0.08/srv
★4.7(454)
Nutricost
Nutricost, L-Theanine, 200 mg, 240 Capsules
Score: 85$0.08/srv
★4.8(6,486)
Nutricost
Nutricost, L-Theanine, 200 mg, 120 Capsules
Score: 84$0.10/srv
★4.8(6,486)
Force Factor
Force Factor, L-Theanine, 200 mg, 60 Vegetarian Capsules
Score: 83$0.12/srv
★4.8(1,258)
Primaforce
Primaforce, L-Theanine, 200 mg, 120 Capsules
Score: 83$0.10/srv
★4.8(124)
EVLution Nutrition
EVLution Nutrition, L-Theanine, 200 mg, 60 Veggie Capsules
Score: 82$0.12/srv
★4.7(4,824)
Source Naturals
Source Naturals, Caffeine + L-Theanine, 60 Tablets
Score: 81$0.14/srv
★4.8(6)
NaturesPlus
NaturesPlus, Pro L-Theanine 200, 60 Capsules (200 mg per Capsule)
Score: 81$0.14/srv
★4.7(1,278)
Vitamatic
Vitamatic, Caffeine & L-Theanine, 120 Tablets
Score: 81$0.14/srv
★4.7(76)
NutraLife
NutraLife, L-Theanine, 200 mg, 60 Capsules
Score: 80$0.14/srv
★4.7(3,938)
Wellah
Wellah, Perfect Pick-Me-Up, Water Enhancer With Caffeine & L-Theanine, Variety Pack, 20 Stick Pack, 0.2 oz (5.2-5.6 g) Each
Score: 80$0.00/srv
★3.0(2)
California Gold Nutrition
California Gold Nutrition, L-Theanine, Featuring AlphaWave®, 200 mg, 60 Veggie Capsules
Score: 80$0.17/srv
★4.7(15,095)
Advance Physician Formulas
Advance Physician Formulas, L-Theanine, 200 mg, 60 Capsules
Score: 80$0.13/srv
★4.7(615)
Vitamatic
Vitamatic, L-Theanine, 240 Tablets, (200 mg per Tablet)
Score: 79$0.12/srv
★4.3(50)
Micro Ingredients
Micro Ingredients, L-Theanine, 400 Softgels (200 mg per Softgel)
Score: 79$0.15/srv
EVLution Nutrition
EVLution Nutrition, RelaxMode, 45 Veggie Capsules
Score: 79$0.16/srv
★4.7(720)
PrePrimal
PrePrimal, L-Theanine, 200 mg, 120 Capsules
Score: 79$0.17/srv
★4.7(35)
Showing 20 of 125 products