We’ve compared NutraLife L-Theanine with Allergy Research Group Zen. NutraLife L-Theanine wins in this battle and gets 6.9 VSR. Its rival Allergy Research Group Zen earns 2.6 VSR. The enormous gap in rating was affected in the first place by the price, the cost of 1000 mg of L-Theanine of NutraLife L-Theanine is $ 0.8 as against $ 4.5 of Allergy Research Group Zen. One serving of NutraLife L-Theanine contains 200 mg L-Theanine as against 200 mg in one Allergy Research Group Zen serving For a serving of NutraLife L-Theanine you will pay $ 0.16 , and a for a serving of Allergy Research Group Zen you will have to pay $ 0.90.
NutraLife L-Theanine has no taste, the manufacturer produces it unflavored. Allergy Research Group Zen has no taste, the manufacturer produces it unflavored.
NutraLife L-Theanine and Allergy Research Group Zen have only one size, NutraLife L-Theanine has 60 capsule(s) and Allergy Research Group Zen has 120 capsule(s).
We recommend buying NutraLife L-Theanine.