The Colon Vitamin is a physician-developed daily supplement that contains micronutrients and antioxidants shown in scientific studies to help promote colon health.

The Colon Vitamin, With Superfood Curcumin

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Mellisa Andrade

How The Colon Vitamin Works

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Dr. Frank Farrell

Dr. Frank Farrell is a board certified gastroenterologist with two decades of experience. He’s currently in full-time clinical practice and is the Medical Director of San Francisco Gastroenterology.  He is an active staff member and is involved in the Gastroenterology Fellowship training program at California Pacific Medical Center in San Francisco.

Dr. Farrell received his Bachelor of Arts in Biology (Cum Laude) from Seattle University; Masters in Public Health from University of California, Berkeley; Doctorate in Medicine from UCSF, School of Medicine; and completed his Internship, Residency, and Chief Residency in Internal Medicine at Mount Zion Medical Center in San Francisco.  He completed his Fellowship in Gastroenterology at California Pacific Medical Center in San Francisco.  Dr. Farrell has a special interest in colon health and screening colonoscopy.

Dr. Farrell is a member of the American Gastroenterological Association (AGA), the American College of Gastroenterology (ACG), the American Society for Gastrointestinal Endoscopy (ASGE), the California Medical Association (CMA), and the San Francisco Medical Society (SFMS).  He was recognized as a Fellow of the AGA for his commitment to the field of gastroenterology and superior achievement in private practice.

Follow Dr. Frank Farrell on his blog on Colon Health here.

A little more about Frank

Frank was raised in Guam and is proud of his island heritage.  He arrived in San Francisco to attend medical school and never left.  He is married and has three daughters.  His wife, Isabelle Ryan, is a physician in San Francisco.  His hobbies include cycling, snowboarding, traveling, and running. His goal, one day, is to run a full marathon.  Frank also loves music, “There’s hardly a genre that (he) can’t somehow appreciate and enjoy, from classic country to ethnic hip hop.” His favorite genre right now is chill electronica from such artists like Thievery Corporation. He often listens to music when he runs which he does twice a week. He finds that he does some of his best thinking during that time.


SynerGI, Inc. is based in San Francisco, California and was founded by Dr. Frank Farrell to provide a company that would develop science-based, safe products for promoting GI health.  The company was founded in 2011 and SynerGI is proud to release its first product, The Colon Vitamin. The Colon Vitamin is produced in the U.S.A.

“I believe in this product and know in my heart that it will help people. There is essentially no risk in taking the vitamin since it contains the same ingredients found in multivitamins which are taken by millions every day,” said Dr. Frank Farrell.

His purpose is clear: to provide The Colon Vitamin to as many people as possible to help promote colon health.

Dr. Farrell is currently working on additional products.

Marketing Assets

Dr. Frank Farrell, Creator of The Colon Vitamin - For Optimal Colon Health, To Help Prevent Colon Polyps

Dr. Frank Farrell, Creator of The Colon Vitamin

The Colon Vitamin, With Superfood Curcumin

The Colon Vitamin, With Superfood Curcumin

The Colon Vitamin® for Optimal Colon Health

The Colon Vitamin