Comparison of L-Theanines

Best by Nutrition	VSRating	Active Ingredient (mg)	Price per 1000 mg
L-Theanine by California Gold Nutrition	10	200 mg L-Theanine	0.85 $
L-Theanine by Now Foods	9.8	200 mg L-Theanine	1.15 $
Theanine by Jarrow Formulas	7.7	200 mg L-Theanine	1.25 $
Suntheanine by Natural Factors	7.5	250 mg L-Theanine	2.44 $
Zen Theanine by Advanced Orthomolecular Research AOR	7.4	225 mg L-Theanine	1.6 $
L-Theanine by Healthy Origins	7.2	98 mg L-Theanine	0.92 $
L-Theanine by NutraLife	6.9	200 mg L-Theanine	0.8 $
L-Theanine by Advance Physician Formulas, Inc	6.6	200 mg L-Theanine	0.85 $
Suntheanine L-Theanine by Doctor's Best	5.8	150 mg L-Theanine	1.27 $
L-Theanine by Sports Research	5.8	200 mg L-Theanine	1.55 $
L-Theanine by Enzymatic Therapy	5.7	100 mg L-Theanine	2.1 $
L-Theanine by Country Life	5.2	200 mg L-Theanine	1.85 $
L-Theanine by Solaray	5.2	200 mg L-Theanine	1.85 $
L-Theanine 200 by Source Naturals	5	200 mg L-Theanine	2 $
L-Theanine by Protocol for Life Balance	4.6	200 mg L-Theanine	2.15 $
TheanineUP by California Gold Nutrition	4.6	100 mg L-Theanine	1.8 $
Theanine Serene Mind Body by Source Naturals	4.6	200 mg L-Theanine	2.15 $
Theanine Serene Relora by Source Naturals	3.9	200 mg L-Theanine	2.45 $
L-Theanine 150 by Solgar	3.5	150 mg L-Theanine	2.73 $
Theanine by Thorne Research	3.4	200 mg L-Theanine	3.05 $
Theanine Gummies by Jarrow Formulas	3.3	100 mg L-Theanine	2.4 $
Natural Stress Relief by Life Extension	3.1	200 mg L-Theanine	3.5 $
L-Theanine by KAL	2.8	25 mg L-Theanine	2.4 $
Anxiety Free by RidgeCrest Herbals	2.8	200 mg L-Theanine	4 $
L-Theanine by Life Extension	2.6	100 mg L-Theanine	3 $
Zen by Allergy Research Group	2.6	200 mg L-Theanine	4.5 $
Sun Theanine by Paradise Herbs	2.3	100 mg L-Theanine	3.3 $
Aged Garlic Extract by Kyolic	2.1	24 mg L-Theanine	8.33 $
GABA L-Theanine Stress B by KAL	1.6	50 mg L-Theanine	3.6 $
Tao in a Bottle by Dragon Herbs	1.5	100 mg L-Theanine	4.6 $
Stress Factors by Nutra BioGenesis	1.2	100 mg L-Theanine	5.7 $
Relax a Saurus by KAL	1	50 mg L-Theanine	4.8 $
Mental Calm by Rainbow Light	0.8	75 mg L-Theanine	6.27 $
Chewable GABA by Now Foods	0	20 mg L-Theanine	13.5 $