Hello, my name is Vanessa Cobarrubia RDN

Welcome to my blog. Belly Gone Bad was started as a result of my own personal struggles with too many bad belly days with IBS and SIBO. My intention is to provide evidenced based and current nutrition recommendations for those seeking improved digestive health.

I am a registered dietitian nutritionist with a passion for helping my clients feel better and achieve optimal health. I have 19 years of experience working closely with bariatric surgeons, gastroenterologists, and physicians. Click here to read my interview with FODMAP Everyday.


  • Irritable bowel syndrome (IBS)

  • Monash FODMAP trained dietitian

  • Small intestinal bacterial overgrowth (SIBO)

  • Bariatric surgery

  • Inflammatory bowel disease (Crohn’s disease, Ulcerative colitis)

  • Lactose intolerance

  • Enteral nutrition (tube feedings)

The low FODMAP diet has been life changing after nearly twenty years of battling with IBS, finally I have control of my IBS symptoms.  I still have an occasional bad belly day, however these are far less frequent and often are a result of eating too large of portions of my high FODMAP trigger foods, eating too fast, or stress. 

My goal is to help my clients achieve better IBS symptom control, consume a diverse diet, and to not be over restrictive. I feel it is important to find your personal thresholds of high FODMAP foods and consume a diet rich in gut nourishing plant based fibers such as oats, low FODMAP fruits and vegetables, firm tofu, tempeh, and low FODMAP canned, drained beans.

I have spent more than a decade working with medical and surgical weight loss.  The majority of my pre and post operative education is centered around better meal timing and building meals that include a good protein source, healthy fats and fiber rich whole foods, while limiting foods high in added sugar and processed carbohydrates.  Eating a more whole food diet can benefit everyone.

Fun facts about me...I am a swimmer, runner, Barre3 lover, experimental chef in my own kitchen, fermenter, mother and low FODMAPer.