Swanson Ultra L-Tryptophan Tryptopure 100% Pure Pharmaceutical Grade 500mg 90 Veggie Capsules Joint & Cartilage A classic digestive combination

A classic digestive combination

from skin health to metabolic support

Three proven ingredients in one formula

Q: What colors are the softgels

A synbiotic formula

Swanson Ultra L-Tryptophan Tryptopure 100% Pure Pharmaceutical Grade 500mg 90 Veggie Capsules Joint & Cartilage A classic digestive combinationProduct Description: L Tryptophan Tryptopure 100% Pure Pharmaceutical Grade An effective, natural sleep support supplement 100% pure, pharmaceutical quality from a vegetarian source Promotes healthy serotonin levels It's back, and better than ever! L Tryptophan is a precursor to serotonin, and it's powerfully effective when used properly. By supporting serotonin levels, L tryptophan not only helps us fall asleep and stay asleep, but it also promotes