Tryptophan
Serotonin/melatonin precursor; NAD+ pathway substrate; LAT1 transport dynamics
Serotonin/melatonin precursor; NAD+ pathway substrate; LAT1 transport dynamics
High zinc, tryptophan, and magnesium for neurotransmitter support
Complete plant protein with isoflavones (genistein) and choline
High tryptophan and niacin for serotonin synthesis and NAD+ production