After our analysis, we came to the conclusion. 7.5 VSR - that’s how many Natural Factors Suntheanine receives, so he takes first place, its rival Source Naturals Theanine Serene Relora receives 3.9 VSR. The colossal gap in rating was affected in the first place by the price, the cost of 1000 mg of L-Theanine of Natural Factors Suntheanine is $ 2.44 as against $ 2.45 of Source Naturals Theanine Serene Relora. One serving of Natural Factors Suntheanine contains 250 mg L-Theanine as against 200 mg in one Source Naturals Theanine Serene Relora serving At the same time, a serving of Natural Factors Suntheanine costs $ 0.61, and a serving of Source Naturals Theanine Serene Relora costs $ 0.49.
Natural Factors Suntheanine has no taste, the manufacturer makes it unflavored. Source Naturals Theanine Serene Relora has no taste, the manufacturer produces it unflavored.
Natural Factors Suntheanine and Source Naturals Theanine Serene Relora have only one size, Natural Factors Suntheanine has 60 capsule(s), 60 tablet(s) and Source Naturals Theanine Serene Relora has 60 tablet(s).
We recommend buying Natural Factors Suntheanine.