--- title: "Dr. Brian Karaan, MD — Functional Medicine for Type 2 Diabetes" description: "Functional medicine for type 2 diabetes from Dr. Brian Karaan, MD. Gut-first protocol, blood sugar science, patient stories, and the GutGlucose supplement." lang: en json-ld: --- [Dr. Brian Karaan](https://briankaraan.lovable.app/?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) [Home](https://briankaraan.lovable.app/?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=)[Shop](https://briankaraan.lovable.app/shop?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=)[Blog](https://briankaraan.lovable.app/blog?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=)[About](https://briankaraan.lovable.app/about?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) Log InSign Up Functional Medicine Physician # Welcome to Dr. Brian Karaan Dr. Brian Karaan has over 22 years of experience in developing evidence-based natural health protocols. His groundbreaking gut-based protocol was confirmed by Harvard researchers in 2024. Having treated more than 4,000 patients with type 2, Dr. Karaan combines cutting-edge medical research with natural, evidence-based approaches to help people reclaim their health and vitality. ![Dr. Brian Karaan](/lovable-uploads/hero-1024.jpg) Featured in: ![Featured in USA Today, NBC, CBS, Fox News, WebMD](/assets/featured-in-logos-d-BuLPG2NE.svg) ## Our Flagship Product Clinically formulated by Dr. Brian Karaan to support healthy blood sugar levels naturally. ![GutGlucose supplement bottles](/assets/gutglucose-bottle-CfXx-AeE.jpeg) ### GutGlucose A powerful blend of natural ingredients designed to help maintain optimal blood sugar levels, reduce sugar cravings, and support overall metabolic health. 100% Natural Ingredients Clinically Researched Formula 4,000+ Satisfied Patients 4.9/5 based on 2,000+ reviews [Learn More & Buy](https://briankaraan.lovable.app/gutglucose?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) ![The Blood Sugar Blueprint - Free eBook by Dr. Brian Karaan](/lovable-uploads/ebook-cover.png) Free Digital Guide ## The Gut-Glucose Connection: What Controls Your Blood Sugar More Than Anything You've Been Prescribed After 22 years treating more than 4,000 patients with type 2 diabetes, I realized most people are doing everything right — and treating the wrong organ. This guide delivers what I wish someone had given me before that helicopter at the Grand Canyon. - The 5 foods that secretly spike your blood sugar - The gut-glucose connection Harvard confirmed in 8,000 diabetics — and your doctor never mentioned - The 3 bacterial failures happening in your gut right now that no medication is fixing - Dr. Karaan's 3-day gut reset protocol to stop the damage before it goes further - The morning routine that prepares your gut to regulate glucose before your first meal - Why metformin, Ozempic, and every diet you've tried were aimed at the wrong organ - The natural compounds that target the root cause — not the symptom Get Free Guide ## Meet Dr. Brian Karaan A pioneer in functional medicine and natural health protocols ![Dr. Brian Karaan](/lovable-uploads/doctor-office-denver.jpg) Dr. Brian Karaan, MD, is a Mayo Clinic-trained functional medicine physician. His groundbreaking gut-based protocol was confirmed by Harvard researchers in 2024. Having treated more than 4,000 patients, Dr. Karaan combines cutting-edge medical research with natural, evidence-based approaches to help people reclaim their health and vitality. MD Mayo Clinic Alumni 22+ Years of Experience 4,000+ Patients Treated [Read Full Bio](https://briankaraan.lovable.app/about?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) Membership Program ![Diabetes Reversal Club](/assets/drc-logo-gut-D4-0e5_2.png) ## Diabetes Reversal Club The only online community built around Dr. Karaan's evidence-based gut protocol — with daily guidance, health tracking, and a supportive network of people reversing type 2 diabetes naturally. ![Community member](https://images.unsplash.com/photo-1559839734-2b71ea197ec2?w=80&h=80&fit=crop&crop=face)![Community member](https://images.unsplash.com/photo-1551836022-d5d88e9218df?w=80&h=80&fit=crop&crop=face)![Community member](https://images.unsplash.com/photo-1556889882-73ea40694a98?w=80&h=80&fit=crop&crop=face)![Community member](https://images.unsplash.com/photo-1609220136736-443140cffec6?w=80&h=80&fit=crop&crop=face) 18,000+ active members are already reversing diabetes together ### Step-by-Step Protocol Follow Dr. Karaan's proven gut-based protocol with guided lessons and daily checklists. ### Glucose Tracking Monitor your blood sugar trends and see real progress with built-in health tracking. ### Private Community Connect with thousands of members on the same journey. Share wins, ask questions, get support. ### Direct Access to Dr. Karaan Chat directly with Dr. Brian Karaan inside the club. Ask questions, get personalized guidance, and receive real-time support. - Daily guided checklists - Video lessons library - Live community feed - Personal health dashboard [Join 18,000+ Members Today](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) Don't reverse diabetes alone — join the community that's changing lives every day. ## Trusted Quality, Backed by Science We stand by the purity, potency, and transparency of every formula — because your health deserves the best. ![Quality Assured](/assets/seal-quality-9NYXmMYD.svg)![Third-Party Tested](/assets/seal-third-party-s7A4HXaO.svg)![Manufactured in USA](/assets/seal-usa-oD9884fU.svg)![Heavy Metals Tested](/assets/seal-heavy-metals-q2X3xFYl.svg)![No Artificial Colors or Flavors](/assets/seal-no-artificial-DKM-l1iy.svg) ## Trusted by thousands across the USA Real stories from real people who transformed their health with Dr. Karaan's programs. "After 6 months of taking GutGlucose, I've noticed significant improvements. My energy is back, and my doctor is amazed by my lab results. Worth every penny!" Margaret R. [GutGlucose ](https://briankaraan.lovable.app/gutglucose?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "Joining the Diabetes Reversal Club was a game-changer. The daily checklists keep me on track, and having direct access to Dr. Karaan makes all the difference. My A1C dropped from 9.2 to 6.1 in 4 months." Robert M. [Diabetes Reversal Club ](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "This free ebook opened my eyes to the gut-glucose connection. I had no idea my gut health was affecting my blood sugar so much. Simple, clear, and life-changing information." Dorothy K. [Free Ebook ](https://briankaraan.lovable.app/ebook?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "I've been using GutGlucose for three months now and I've noticed a significant improvement in my overall health. Fewer digestive issues and more energy. Highly recommended." Shannon B. [GutGlucose ](https://briankaraan.lovable.app/gutglucose?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "The community inside the club is incredible. I no longer feel alone in this journey. The step-by-step protocol is easy to follow, and the support from other members keeps me motivated every single day." Linda G. [Diabetes Reversal Club ](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "I've read dozens of diabetes books, but 'The Gut-Glucose Connection' is different. Dr. Karaan explains everything in plain language and the actionable steps are easy to implement right away." Frank T. [Free Ebook ](https://briankaraan.lovable.app/ebook?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "The change that this product gave me has been incredible. I was ready to give up, I'm glad I didn't and I tried GutGlucose. My progress has been incredible." Tiffany S. [GutGlucose ](https://briankaraan.lovable.app/gutglucose?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "I was skeptical at first, but the Diabetes Reversal Club exceeded all my expectations. The glucose tracking feature helped me understand my patterns. Down 30 lbs and off two medications." James W. [Diabetes Reversal Club ](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "Downloaded the free guide and couldn't put it down. Within two weeks of following the initial recommendations, my fasting glucose numbers started improving. Incredible resource for free!" Susan L. [Free Ebook ](https://briankaraan.lovable.app/ebook?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "My digestive health has never been smoother, all thanks to GutGlucose. It's made a world of difference in my daily life. I feel healthier and more energetic than I have in years." Darlene B. [GutGlucose ](https://briankaraan.lovable.app/gutglucose?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "Being able to chat directly with Dr. Karaan inside the club is priceless. He answered my questions personally and adjusted my protocol. I've never had this level of care from any program before." Patricia H. [Diabetes Reversal Club ](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "I shared this ebook with my entire family. The science is solid, the advice is practical, and it completely changed how we think about managing blood sugar. Thank you, Dr. Karaan!" Harold J. [Free Ebook ](https://briankaraan.lovable.app/ebook?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "GutGlucose gave me my life back. My blood sugar is stable, I sleep better, and I have energy throughout the day. I recommend it to everyone I know who struggles with glucose levels." Carl D. [GutGlucose ](https://briankaraan.lovable.app/gutglucose?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "The Diabetes Reversal Club community is so warm and welcoming. Seeing other members share their wins keeps me going. The video lessons are clear and the protocol is straightforward." Barbara N. [Diabetes Reversal Club ](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "I almost didn't download it because it was free — how good could it be? Turns out, it's the best resource I've found on diabetes and gut health. Changed my entire perspective." Evelyn P. [Free Ebook ](https://briankaraan.lovable.app/ebook?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "After 6 months of taking GutGlucose, I've noticed significant improvements. My energy is back, and my doctor is amazed by my lab results. Worth every penny!" Margaret R. [GutGlucose ](https://briankaraan.lovable.app/gutglucose?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "Joining the Diabetes Reversal Club was a game-changer. The daily checklists keep me on track, and having direct access to Dr. Karaan makes all the difference. My A1C dropped from 9.2 to 6.1 in 4 months." Robert M. [Diabetes Reversal Club ](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "This free ebook opened my eyes to the gut-glucose connection. I had no idea my gut health was affecting my blood sugar so much. Simple, clear, and life-changing information." Dorothy K. [Free Ebook ](https://briankaraan.lovable.app/ebook?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "I've been using GutGlucose for three months now and I've noticed a significant improvement in my overall health. Fewer digestive issues and more energy. Highly recommended." Shannon B. [GutGlucose ](https://briankaraan.lovable.app/gutglucose?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "The community inside the club is incredible. I no longer feel alone in this journey. The step-by-step protocol is easy to follow, and the support from other members keeps me motivated every single day." Linda G. [Diabetes Reversal Club ](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "I've read dozens of diabetes books, but 'The Gut-Glucose Connection' is different. Dr. Karaan explains everything in plain language and the actionable steps are easy to implement right away." Frank T. [Free Ebook ](https://briankaraan.lovable.app/ebook?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "The change that this product gave me has been incredible. I was ready to give up, I'm glad I didn't and I tried GutGlucose. My progress has been incredible." Tiffany S. [GutGlucose ](https://briankaraan.lovable.app/gutglucose?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "I was skeptical at first, but the Diabetes Reversal Club exceeded all my expectations. The glucose tracking feature helped me understand my patterns. Down 30 lbs and off two medications." James W. [Diabetes Reversal Club ](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "Downloaded the free guide and couldn't put it down. Within two weeks of following the initial recommendations, my fasting glucose numbers started improving. Incredible resource for free!" Susan L. [Free Ebook ](https://briankaraan.lovable.app/ebook?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "My digestive health has never been smoother, all thanks to GutGlucose. It's made a world of difference in my daily life. I feel healthier and more energetic than I have in years." Darlene B. [GutGlucose ](https://briankaraan.lovable.app/gutglucose?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "Being able to chat directly with Dr. Karaan inside the club is priceless. He answered my questions personally and adjusted my protocol. I've never had this level of care from any program before." Patricia H. [Diabetes Reversal Club ](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "I shared this ebook with my entire family. The science is solid, the advice is practical, and it completely changed how we think about managing blood sugar. Thank you, Dr. Karaan!" Harold J. [Free Ebook ](https://briankaraan.lovable.app/ebook?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "GutGlucose gave me my life back. My blood sugar is stable, I sleep better, and I have energy throughout the day. I recommend it to everyone I know who struggles with glucose levels." Carl D. [GutGlucose ](https://briankaraan.lovable.app/gutglucose?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "The Diabetes Reversal Club community is so warm and welcoming. Seeing other members share their wins keeps me going. The video lessons are clear and the protocol is straightforward." Barbara N. [Diabetes Reversal Club ](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) "I almost didn't download it because it was free — how good could it be? Turns out, it's the best resource I've found on diabetes and gut health. Changed my entire perspective." Evelyn P. [Free Ebook ](https://briankaraan.lovable.app/ebook?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) ## Follow Our Latest Blog Posts Stay up to date with the latest health tips, research insights, and wellness strategies. 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Subscribe Now ![Dr. Brian Karaan](/lovable-uploads/3f0c66ee-9eff-4c64-a095-70aae14df83a.jpg) ### Dr. Brian Karaan Dr. Brian Karaan, MD. Mayo Clinic alumni. Functional medicine physician. Spent 22 years developing the gut-based protocol that Harvard confirmed in 2024. Treated 4,000+ patients. [](https://www.instagram.com/briankaraan?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) [Blog](https://briankaraan.lovable.app/blog?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=)[Free Ebook](https://briankaraan.lovable.app/ebook?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=)[Diabetes Reversal Club](https://briankaraan.lovable.app/diabetesreversalclub?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=)[Shop](https://briankaraan.lovable.app/shop?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=)[About Dr. Karaan](https://briankaraan.lovable.app/about?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=)[Privacy Policy](https://briankaraan.lovable.app/privacy-policy?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=)[Terms of Use](https://briankaraan.lovable.app/terms-of-use?utm_source=organic&utm_campaign=&utm_medium=&utm_content=&utm_term=&subid=&subid3=&subid4=&subid5=) © 2026 Dr. Brian Karaan. 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