We’ve conducted an analysis of Advanced Orthomolecular Research AOR Zen Theanine and Natural Factors Suntheanine. Advanced Orthomolecular Research AOR Zen Theanine wins in this analysis and gets 7.4 VSR. Its competitor Natural Factors Suntheanine earns 7.5 VSR. The rating was affected in the first place by the price, the cost of 1000 mg of L-Theanine of Advanced Orthomolecular Research AOR Zen Theanine is $ 1.6 as against $ 2.44 of Natural Factors Suntheanine. One serving of Advanced Orthomolecular Research AOR Zen Theanine contains 225 mg L-Theanine as against 250 mg of Natural Factors Suntheanine At the same time, a serving of Advanced Orthomolecular Research AOR Zen Theanine costs $ 0.36, and a serving of Natural Factors Suntheanine costs $ 0.61.
Advanced Orthomolecular Research AOR Zen Theanine has no taste, the manufacturer produces it unflavored. Natural Factors Suntheanine has no taste, the manufacturer makes it unflavored.
Advanced Orthomolecular Research AOR Zen Theanine and Natural Factors Suntheanine have only one size, Advanced Orthomolecular Research AOR Zen Theanine has 120 capsule(s) and Natural Factors Suntheanine has 60 capsule(s), 60 tablet(s).
We recommend buying Natural Factors Suntheanine.