After our analysis, we came to the conclusion. Nutra BioGenesis Stress Factors wins in this comparison and earns 1.2 VSR. Its competitor Source Naturals Theanine Serene Mind Body earns 4.6 VSR. The gap in rating was affected in the first place by the price, the cost of 1000 mg of L-Theanine of Nutra BioGenesis Stress Factors is $ 5.7 as against $ 2.15 of Source Naturals Theanine Serene Mind Body. The serving of Nutra BioGenesis Stress Factors contains 100 mg L-Theanine as against 200 mg of Source Naturals Theanine Serene Mind Body At the same time, a serving of Nutra BioGenesis Stress Factors costs $ 0.57, and a serving of Source Naturals Theanine Serene Mind Body costs $ 0.43.
Nutra BioGenesis Stress Factors has no taste, the manufacturer produces it unflavored. Source Naturals Theanine Serene Mind Body has no taste, the manufacturer makes it unflavored.
Nutra BioGenesis Stress Factors and Source Naturals Theanine Serene Mind Body have only one size, Nutra BioGenesis Stress Factors has 60 capsule(s) and Source Naturals Theanine Serene Mind Body has 60 tablet(s).
We recommend buying Source Naturals Theanine Serene Mind Body.