L-Tryptophan Zahler

VS

Optimized Tryptophan Plus Life Extension

After our analysis, we came to the conclusion. Zahler L-Tryptophan takes first place in this analysis and gets 0.6 VSR. Its competitor Life Extension Optimized Tryptophan Plus earns 2 VSR. The 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 $ 0.8 of Life Extension Optimized Tryptophan Plus. One serving of Zahler L-Tryptophan contains 500 mg L-Tryptophan as against 1000 mg of Life Extension Optimized Tryptophan Plus At the same time, a serving of Zahler L-Tryptophan costs $ 0.34, and a serving of Life Extension Optimized Tryptophan Plus costs $ 0.80.

Zahler L-Tryptophan has no taste, the manufacturer produces it unflavored. Life Extension Optimized Tryptophan Plus has no taste, the manufacturer makes it unflavored.

Zahler L-Tryptophan and Life Extension Optimized Tryptophan Plus have only one size, Zahler L-Tryptophan has 60 capsule(s) and Life Extension Optimized Tryptophan Plus has 90 capsule(s).

We recommend buying Life Extension Optimized Tryptophan Plus.