We’ve conducted an analysis of Thorne Research Theanine and Natural Factors Suntheanine. Thorne Research Theanine wins in this comparison and earns 3.4 VSR. Its opponent Natural Factors Suntheanine gains 7.5 VSR. The gap in rating was affected in the first place by the price of L-Theanine, thus 1000 mg of L-Theanine of Thorne Research Theanine will cost you $ 3.05, as against $ 2.44 of Natural Factors Suntheanine. The serving of Thorne Research Theanine contains 200 mg L-Theanine as against 250 mg of Natural Factors Suntheanine At the same time, a serving of Thorne Research Theanine costs $ 0.61, and a serving of Natural Factors Suntheanine costs $ 0.61.
Thorne Research Theanine has no taste, the manufacturer makes it unflavored. Natural Factors Suntheanine has no taste, the manufacturer produces it unflavored.
Thorne Research Theanine and Natural Factors Suntheanine have only one size, Thorne Research Theanine has 90 capsule(s) and Natural Factors Suntheanine has 60 capsule(s), 60 tablet(s).
We recommend buying Natural Factors Suntheanine.