We’ve conducted an analysis of Now Foods L-Tryptophan and Source Naturals L-Tryptophan + Coenzyme B6. Now Foods L-Tryptophan takes first place in this analysis and gains 10 VSR. Its opponent Source Naturals L-Tryptophan + Coenzyme B6 earns 5.6 VSR. The rating was affected in the first place by the price, the cost of 1000 mg of L-Tryptophan of Now Foods L-Tryptophan is $ 0.38 as against $ 0.53 of Source Naturals L-Tryptophan + Coenzyme B6. One serving of Now Foods L-Tryptophan contains 1000 mg L-Tryptophan as against 1500 mg of Source Naturals L-Tryptophan + Coenzyme B6 At the same time, a serving of Now Foods L-Tryptophan costs $ 0.38, and a serving of Source Naturals L-Tryptophan + Coenzyme B6 costs $ 0.79.
Now Foods L-Tryptophan has no taste, the manufacturer makes it unflavored. Source Naturals L-Tryptophan + Coenzyme B6 has no taste, the manufacturer makes it unflavored.
Now Foods L-Tryptophan is produced in 3 sizes. Source Naturals L-Tryptophan + Coenzyme B6 has just one size, 60 Tablet(s).
We recommend buying Now Foods L-Tryptophan.