After our analysis, we came to the conclusion. Doctor's Best Suntheanine L-Theanine wins in this battle and gains 5.8 VSR. Its competitor NutraLife L-Theanine receives 6.9 VSR. The rating was affected in the first place by the price of L-Theanine, thus 1000 mg of L-Theanine of Doctor's Best Suntheanine L-Theanine will cost you $ 1.27, as against $ 0.8 of NutraLife L-Theanine. The serving of Doctor's Best Suntheanine L-Theanine contains 150 mg L-Theanine as against 200 mg in one NutraLife L-Theanine serving At the same time, a serving of Doctor's Best Suntheanine L-Theanine costs $ 0.19, and a serving of NutraLife L-Theanine costs $ 0.16.
Doctor's Best Suntheanine L-Theanine has no taste, the manufacturer makes it unflavored. NutraLife L-Theanine has no taste, the manufacturer produces it unflavored.
Doctor's Best Suntheanine L-Theanine and NutraLife L-Theanine have only one size, Doctor's Best Suntheanine L-Theanine has 90 capsule(s) and NutraLife L-Theanine has 60 capsule(s).
We recommend buying NutraLife L-Theanine.