L-Tryptophan

L-Tryptophan is needed to produce serotonin, a neurotransmitter important for mood, and melatonin, essential for sleep regulation. For product comparison, L-Tryptophan should be checked by exact form, plant part or compound type, standardization, amount per serving, and whether it is listed as an active ingredient, other ingredient, or part of a blend. Useful database notes include what it is used for, where it occurs naturally or how it is commonly sourced, and what shoppers should verify on the Supplement Facts label. For product comparison, L-Tryptophan should be checked by exact form, plant part or compound type, standardization, amount per serving, and whether it is listed as an active ingredient, other ingredient, or part of a blend. Useful database notes include what it is used for, where it occurs naturally or how it is commonly sourced, and what shoppers should verify on the Supplement Facts label.