Allison Siebecker, ND, MSOM, LAc

Allison Siebecker, ND, MSOM, LAc, is an Instructor of Advanced Gastroenterology at the National University of Natural Medicine (NUNM), an award-winning author, and the 2021 Lifetime Achievement Award recipient from the GastroANP. She is the former medical director and co-founder of the SIBO Center for Digestive Health at NUNM. 

Dr. Siebecker has specialized exclusively in SIBO since 2010, serving as a second- and third-opinion referral doctor for patients who have failed previous treatments. Her integrative SIBO protocols, including her homemade elemental diet recipes, herbal antibiotic protocols, and SIBO Specific Food Guide, have helped thousands worldwide. 

Dr. Siebecker is passionate about education. She created the free educational site SIBOInfo.com and has been teaching physicians, medical students, and patients internationally since 2010, with many going on to become SIBO specialists and teachers alongside her.