2026-10-20 · Video
Most people grab a laxative without knowing what kind it is or how it works. Mark Buse, Nationally Board Certified Colon Hydrotherapist and I-ACT President Emeritus, breaks down the three main types of over-the-counter laxatives, how each one acts on your body, and why long-term use deserves a conversation with your doctor. Practical, plain-language digestive health education from Tyler, Texas.
Also on YouTube.
Mark Buse is Nationally Board-Certified Colon Hydro-Therapist (NBCHT) and a leading colon hydrotherapy practitioner, instructor, and researcher of colon health. Mark studies the impacts of the gut microbiome on gut motility, digestion, constipation, and general wellness. Mark has a Bachelor of Science in Chemistry, is a Fellow with the American Institute of Chemists, has obtained several patients involving replacement of toxic materials, and is a science writer in areas of gut microbiota and probiotics. Mark is the International Association for Colon Hydrotherapy President Emeritus and Founder of IACT’s Leadership and Mentorship Program and the Chair and Founder of IACT’s Research Committee and is a member of the American Gastroenterology Association (AGA). Marks is the colon hydro-therapist and owner of Turtle Creek Wellness Center in Tyler, Texas.