After our analysis, we came to the conclusion. Jarrow Formulas Theanine wins in this comparison and gets 7.7 VSR. Its competitor Source Naturals Theanine Serene Relora earns 3.9 VSR. The rating was affected in the first place by the price of L-Theanine, thus 1000 mg of L-Theanine of Jarrow Formulas Theanine will cost you $ 1.25, as against $ 2.45 of Source Naturals Theanine Serene Relora. The serving of Jarrow Formulas Theanine contains 200 mg L-Theanine as against 200 mg of Source Naturals Theanine Serene Relora At the same time, a serving of Jarrow Formulas Theanine costs $ 0.25, and a serving of Source Naturals Theanine Serene Relora costs $ 0.49.
Jarrow Formulas Theanine has no taste, the manufacturer produces it unflavored. Source Naturals Theanine Serene Relora has no taste, the manufacturer makes it unflavored.
Jarrow Formulas Theanine and Source Naturals Theanine Serene Relora have only one size, Jarrow Formulas Theanine has 60 capsule(s) and Source Naturals Theanine Serene Relora has 60 tablet(s).
We recommend buying Jarrow Formulas Theanine.