After our analysis, we came to the conclusion. Nutra BioGenesis Stress Factors takes first place in this comparison and gets 1.2 VSR. Its rival Now Foods L-Theanine receives 9.8 VSR. The gap in rating was affected in the first place by the price of L-Theanine, thus 1000 mg of L-Theanine of Nutra BioGenesis Stress Factors going to cost you $ 5.7, as against $ 1.15 of Now Foods L-Theanine. One serving of Nutra BioGenesis Stress Factors contains 100 mg L-Theanine as against 200 mg of Now Foods L-Theanine For a serving of Nutra BioGenesis Stress Factors you will pay $ 0.57 , and a for a serving of Now Foods L-Theanine you will have to pay $ 0.23.
Nutra BioGenesis Stress Factors has no taste, the manufacturer makes it unflavored. Now Foods L-Theanine has no taste, the manufacturer produces it unflavored.
Nutra BioGenesis Stress Factors has just one size, 60 Capsule(s). Now Foods produces 4 different sizes of L-Theanine.
We recommend buying Now Foods L-Theanine.