Lilly of the Valley Gut Health is a Bethlehem, Pennsylvania gut health specialist practice that uses a functional medicine, root-cause holistic approach to help reset gut health. The practice provides individualized treatment plans designed to work with each patient’s biochemistry to restore the gut microbiome and support quality of life. Led by Lori T. Billiard, MSN, FNP-BC, CRNP, IFMCP, the practice addresses chronic disease through a functional medicine approach for patients ages 2 and up.