We’ve compared Zahler L-Tryptophan with Source Naturals L-Tryptophan + Coenzyme B6 and determined the following. Zahler L-Tryptophan is the winner in this analysis and gets 0.6 VSR. Its opponent Source Naturals L-Tryptophan + Coenzyme B6 earns 5.6 VSR. The gap in rating was affected in the first place by the price, the cost of 1000 mg of L-Tryptophan of Zahler L-Tryptophan is $ 0.68 as against $ 0.53 of Source Naturals L-Tryptophan + Coenzyme B6. The serving of Zahler L-Tryptophan contains 500 mg L-Tryptophan as against 1500 mg in one Source Naturals L-Tryptophan + Coenzyme B6 serving At the same time, a serving of Zahler L-Tryptophan costs $ 0.34, and a serving of Source Naturals L-Tryptophan + Coenzyme B6 costs $ 0.79.
Zahler L-Tryptophan has no taste, the manufacturer makes it unflavored. Source Naturals L-Tryptophan + Coenzyme B6 has no taste, the manufacturer makes it unflavored.
Zahler L-Tryptophan and Source Naturals L-Tryptophan + Coenzyme B6 have only one size, Zahler L-Tryptophan has 60 capsule(s) and Source Naturals L-Tryptophan + Coenzyme B6 has 60 tablet(s).
We recommend buying Source Naturals L-Tryptophan + Coenzyme B6.