Mel Ona

The Gastro Truth with Dr. Mel Ona

Health EN ↓ 18 episodes

Board-certified gastroenterologist with graduate training in nutritional biochemistry. 10,000+ patients treated. Thousands of procedures performed.  On this Podcast, Dr. Mel Ona breaks down gut health, digestive symptoms, nutrition science, colon cancer prevention, and disease detection in plain language you can actually use.  No sponsors. No supplement sales. No hype.  Just evidence-based answers from a GI doctor who practices what he teaches.  Topics include: bloating, acid reflux, IBS, colonoscopy, gut microbiome, fiber, fatty liver disease, probiotics, and health optimization for busy prof...

Author

Mel Ona

Category

Health

Latest episode

Jul 9, 2026

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Episodes

7 Signs You Might Have SIBO (That Most Doctors Don't Test For) 09.07.2026

📌 Visit www.drmelona.com You could go through a colonoscopy, full bloodwork, and walk out with a clean bill of health. And still have the exact problem producing every one of your symptoms. Clean results do not mean nothing is wrong. They mean the test was not looking in the right place. I'm Dr. Mel Ona, a board-certified gastroenterologist in Hawaii. This episode covers 7 signs that point t...

Colonoscopy in West Oahu: What to Expect and How to Choose the Right Doctor 09.07.2026

📌 Visit www.drmelona.com If you live in West Oahu and you've been told you need a colonoscopy, or you know you're overdue and you're finally doing something about it, this video is for you. Most people put it off because of fear. What they do not know is that the procedure itself is not the hard part, and waiting is not the safe option. I have had two colonoscopies myself without s...

Your Fatigue, Brain Fog, and Bloating Aren't Separate Problems. Here's What They Have in Common. 02.07.2026

📌 Visit www.drmelona.com If you have fatigue, brain fog, and bloating, you may not have three problems. You may have one. Medicine gives each symptom its own specialist. That works when problems are truly separate. It breaks down completely when one thing is causing all of them, because the real cause never shows up in any single workup and no one was looking for it in the first place. In this ep...

Best Gastroenterologist in West Oahu (What to Look For Before You Book) 02.07.2026

📌 Visit www.drmelona.com If you have been searching for the best gastroenterologist in West Oahu and you are not sure who to actually trust with your digestive health, this episode is specifically for you. Most patients filter by location, availability, or which doctor their insurance covers. These are not bad starting points. But they tell you nothing about the quality of care you are actually g...

After Treating 10,000 Patients, I Stopped Diagnosing People with IBS 25.06.2026

📌 Visit www.drmelona.com If your IBS symptoms keep coming back, the diagnosis itself might be the problem. IBS does not tell you why you feel the way you feel. It just gives that feeling a name. Most people assume a diagnosis means an answer. With IBS, a name is all you got. In this episode, I'm going to walk you through what IBS actually is, what conditions most commonly hide behind that la...

AI Is Changing How We Detect Colon Cancer. Here's What You Need to Know. 18.06.2026

📌 Visit www.drmelona.com A computer is watching your colonoscopy in real time and catching polyps a human eye might miss. You can swallow a camera the size of a vitamin and have your entire small intestine examined without sedation and without a needle. And there is now a painless way to detect liver disease that may be silently progressing in your body right now. Most patients have no idea any o...

7 Gut Health Mistakes That Are Making You Sicker (Stop Doing These) 11.06.2026

📌 Visit www.drmelona.com You are doing everything you think you are supposed to do for your gut. Your symptoms are still there. Your energy is still low. Nothing is sticking. The problem is probably not what you are doing. It is what you are doing wrong without realizing it. In this episode, I'm going to walk you through 7 gut health mistakes I see repeated across thousands of patients, why...

The Complete Guide to Preventing Colon Cancer (From a Doctor Who's Seen It All) 04.06.2026

📌 Visit www.drmelona.com Colorectal cancer is the second leading cause of cancer death in the United States. And it is one of the most preventable. That gap exists for one reason: most people never take the steps that could save their lives. In this episode, I'm going to walk you through the five pillars of colon cancer prevention. Screening. Fiber. Diet. Exercise. Metabolic health. Master t...

Gut Health Habits I Follow Every Day as a Gastroenterologist 28.05.2026

📌 Visit www.drmelona.com I treat gut disease every single day. I have seen what happens when people ignore their digestive health for years. So what do I actually do to make sure I never become my own patient?  Seven habits. All daily. All simple. And the last one might surprise you. In this episode, I'm going to walk you through the seven daily habits I follow to protect my gut, my energy,...

Your Most Embarrassing Gut Questions, Answered by a Gastroenterologist 21.05.2026

📌 Visit www.drmelona.com There are questions about your gut you have never said out loud. You Googled them at 2 a.m. You almost brought them up at your last appointment and changed your mind. Today I am answering all of them. No judgment. No sugarcoating. Just straight answers from a board-certified GI doctor who has heard every question you think is too embarrassing to ask. In this episode, I&ap...

I Lost Over 50 Pounds as a Doctor. Here's What It Taught Me About Gut Health. 14.05.2026

📌 Looking to get into a new diet or need a Gastroenterologist? Visit: www.drmelona.com That gap between knowing and doing is where most people live. It's also where I lived for years. I was treating patients for the exact conditions I was at risk for. Fatty liver. GERD. Colorectal cancer risk from obesity. Every day I gave advice I was not following myself. Losing over 50 pounds changed that...

The Best and Worst Supplements for Gut Health (Ranked by a GI Doctor) 07.05.2026

📌 Looking to get into a new diet or need a Gastroenterologist? Visit: www.drmelona.com You have a cabinet full of gut supplements. Probiotics, collagen, detox powders. You are spending $100 or more a month and your gut is still not right. What if most of what you are taking is doing absolutely nothing? Every product has a bold claim. Every influencer has a discount code. And nobody with real scie...

How to Fix Acid Reflux Naturally Without Medication. A Doctor's 5-Step Plan 30.04.2026

📌 Looking to get into a new diet or need a Gastroenterologist? Visit: www.drmelona.com If you are popping antacids every day, or you have been on a reflux medication for months or years and nobody has ever sat you down and walked you through a real plan to fix the problem at its source, this episode is for you. Most reflux advice targets symptoms. This is a five-step clinical framework that targe...

5 Things a Gastroenterologist Needs You to Know About Your Gut 23.04.2026

Most of what you've been told about your gut health is either incomplete or flat-out wrong. You're taking supplements you don't need. You're ignoring symptoms you should not ignore. And the one thing that could change everything about your digestion, your energy, and your risk of serious disease.  Almost nobody is talking about it. 📌 Visit www.drmelona.com I'm Dr. Mel Ona...

Why You're Always Bloated (And How to Fix It) A GI Doctor Explains 23.04.2026

📌 Looking to get into a new diet or need a Gastroenterologist? Visit: www.drmelona.com You cut out gluten. You cut out dairy. You tried low-FODMAP.  You took every probiotic on the shelf. You're still bloated every single day. The reason nothing has worked is that you've been chasing the wrong cause. In this video, I walk you through the five real reasons your bloating keeps coming back...

Everything You've Been Told About Probiotics Is Wrong 23.04.2026

📌 Looking to get into a new diet or need a Gastroenterologist? Visit: www.drmelona.com Here's what the supplement industry will not tell you: most probiotics were never tested for your specific condition.  The research that exists is strain-specific and condition-specific. A product that helped someone with antibiotic-associated diarrhea does not automatically help your bloating, your IBS, o...

5 Digestive Symptoms You Should Never Ignore (See a Doctor Immediately) 23.04.2026

📌 Looking to get into a new diet or need a Gastroenterologist? Visit: www.drmelona.com Blood you dismissed. Weight dropping without explanation. Heartburn that won't quit no matter what you take.  Bowel habits that shifted weeks ago and haven't gone back. And sometimes, no symptoms at all when the risk is already growing.  In this video, I’m going to walk you through the five digestive...

Welcome To The Gastro Truth with Dr Mel Ona 23.04.2026

Welcome, I'm a board-certified gastroenterologist with graduate training in nutritional biochemistry.  10,000+ patients treated.  Thousands of procedures performed.  On this podcast, I break down gut health, digestive symptoms, nutrition science, colon cancer prevention, and disease detection in plain language you can actually use.  No sponsors. No supplement sales. No hype.  Just evidence-ba...

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