Herbsprout.com

According to an August 4 2021 Sci Tech Daily tryptophan is an essential amino acid for your microbiome gut health. Tryptophan is known to aid in the creation of the neurotransmitter serotonin and melatonin. Tryptophan is commonly found in milk, turkey, chicken, and oats. A deficiency of tryptophan led to a threefold increase in the bacterium Acetatifactor, and significant reductions of Mucispirillum and Blautia, concludes the author’s study.

This is first reported by Dr. Sadanand Fulzele, an aging researcher in the Medical College of Georgia Department of Medicine, first published in the International Journal of Molecular Sciences.

https://scitechdaily.com/a-diet-lacking-in-tryptophan-alters-gut-microbiota-increases-inflammation/amp/