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Craig Mullen discusses Root Cause Medicine with Dr. Ben Weitz.

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Podcast Highlights

Understanding Functional Medicine and Peptides with Craig Mullen In this episode of the Rational Wellness Podcast, Dr. Ben Weitz interviews Craig Mullen, a nurse practitioner and the founder of Remedy Functional Health Solutions. They discuss the functional medicine approach to health, focusing on the importance of understanding root causes rather than just treating symptoms. The conversation delves into the significance of detailed testing, including advanced lipid profiles and full thyroid panels, to provide a more comprehensive view of a patient's health. Craig shares his journey into nursing and functional medicine, the challenges with current healthcare practices, and his experience and insights on the use of GLP-1 peptides like Semaglutide for weight loss and other health benefits. They also explore the potential benefits of peptides like BPC 157 and SS-31 for tissue repair and mitochondrial health. Finally, Craig provides practical advice for patients and underscores the importance of working with trained healthcare providers for peptide therapy. 00:27 Meet Craig Mullen: Functional Medicine Advocate 01:45 Craig Mullen's Journey to Becoming a Nurse Practitioner 05:49 The Importance of Functional Medicine 07:56 Challenges in Conventional Medical Testing 13:07 Understanding Hashimoto's Thyroiditis 17:00 The Role of Progesterone in Thyroid Health 19:28 Advanced Lipid Profiles: Why They Matter 27:07 Nutritional Approaches to Lowering Lipoprotein A 28:51 Exploring Lipid Profiles and Omega-3s 30:13 Understanding HDL and Its Role 32:40 The Rise of GLP-1 Peptides 36:16 Effective Use of GLP-1 Medications 44:03 The Benefits and Risks of Peptides 49:59 Final Thoughts and Contact Information ________________________________________________________

Craig Mullen is a nurse practitioner and he is the founder and medical director of Remedy Functional Health Solutions, which is located in Salisbury, Maryland and his phone is 443-342-4141.

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure. Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.

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Kirsten Karchmer discusses Improving Fertility Naturally with Dr. Ben Weitz.

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Podcast Highlights

Enhancing Natural Fertility with Kirsten Karchmer: Insights from the Rational Wellness Podcast In this episode of the Rational Wellness Podcast, Dr. Ben Weitz interviews Kirsten Karchmer, a globally recognized fertility expert, acupuncturist, and founder of Conceivable. Kirsten shares her personal journey into the field of fertility, her struggles with MS, and how acupuncture transformed her health. The discussion covers her holistic and technology-based approach to optimizing fertility by addressing root causes through diet, lifestyle, and mindful practices. Key topics include the impacts of stress, sleep, and exercise on fertility, the importance of personalized care, and advancements in technology such as AI predictive tools and non-invasive glucose monitors. Kirsten also highlights the role of epigenetics and provides practical advice for women, especially those over 40, looking to improve their reproductive health naturally. 00:26 Meet Kirsten Karchmer: Fertility Expert 01:28 Kirsten's Journey into Fertility and Acupuncture 06:13 Understanding Functional Medicine and Acupuncture in Fertility 08:42 The Role of Exercise and Energy in Fertility 10:12 Innovative Technology for Health Monitoring 15:57 The Importance of Sleep for Optimal Health 19:38 Nutritional Strategies for Enhancing Fertility 20:41 Addressing Bleeding and Nutrient Needs 21:22 Tailoring Diets for Specific Conditions 21:52 Gut Health and Pregnancy 22:23 Iron and Nutrient Correlation 23:51 Supplements for Fertility 25:53 Managing Stress and Infertility 26:46 Men's Role in Fertility 27:51 Epigenetics and Fertility 30:57 Strategies for Older Women 34:21 Future of Fertility Care 35:54 Key Takeaways and Conclusion ___________________________________________________________________

Kirsten Karchmer is a globally recognized fertility expert, acupunturist, and the CEO and founder of Conceivable. The website is Conceivable.com. Kirsten has spent decades helping women improve their reporductive health, both through her clinical work and through innovative digital solutions. Conceivable uses technology and personalized, science-based programs to optimize fertility by addressing the underlying root causes that impact conception.

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure. Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.

Dr. Marc Ryan discusses Managing Hashimoto's Thyroiditis with moderator Dr. Ben Weitz at the Functional Medicine Discussion Group meeting on August 28, 2025.

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Podcast Highlights

Dr. Marc Ryan is a licensed acupuncturist, herbalist, and Functional Medicine practitioner. He's written two books about Hashimoto's thyroiditis, How to Heal Hashimoto's and The Hashimoto's Healing Diet. He teaches at YoSan Acupuncture College, and his practice is devoted to treating patients with Hashimoto's. His website is HashimotosHealing.com.

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure. Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.

Dr. Nathan Bryan discusses Increasing Nitric Oxide for Better Health with Dr. Ben Weitz.

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Podcast Highlights

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Dr. Nathan Bryan is an internationally recognized scientist and leading expert in the field of nitric oxide research. Dr. Bryan has spent the last two decades studying the biochemical pathways of nitric oxide and its impact on human health, including cardiovascular health, immune function, and healthy aging. Dr. Bryan has published numerous peer-reviewed papers, books, and he has developed innovative products to restore and optimize nitric oxide production, currently through his N1O1 company available at N1O1.com.

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure. Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.

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Jared St. Clair discusses How to Enhance Your Vitality with Proper Nutrition and Lifestyle Changes with Dr. Ben Weitz.

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Podcast Highlights

Mastering Nutritional Supplements and Gut Health with Jared St. Clair In this episode of the Rational Wellness Podcast, Dr. Ben White interviews Jared St. Clair, a seasoned herbalist and natural supplement formulator with over 30 years of experience. The discussion focuses on the health status of America, the importance of individuals taking control of their health, and practical strategies for managing conditions like IBS and SIBO. Jared shares insights on the benefits of spore probiotics, digestive enzymes, and a comprehensive approach to detoxification from endocrine disruptors. Additionally, Jared emphasizes the value of personalized supplementation and the importance of understanding product ingredients for optimal health. The episode concludes with advice on maintaining gut health and overall wellness through natural means and consistent education. 00:30 Meet Jared St. Clair: Herbalist and Supplement Expert 01:28 The State of Health in America 02:49 The Importance of Taking Charge of Your Own Health 04:01 Challenges and Successes of Running a Health Food Store 06:29 Discussing Gut Health: IBS and SIBO 10:49 The Gut-Brain Connection and Mental Health 17:31 Strategies for Managing IBS 21:22 The Role of Digestive Enzymes 26:38 Understanding Probiotics: Types and Benefits 31:22 The Role of Lysed Bacteria in Gut Health 31:52 Understanding Postbiotics 32:49 Prebiotics vs. Probiotics vs. Postbiotics 34:16 Favorite Prebiotic Foods 35:40 Evaluating Nutritional Supplements 38:30 Identifying Quality Supplement Brands 45:43 The Impact of Endocrine Disruptors 50:00 Detoxifying Endocrine Disruptors 58:01 Final Thoughts and Contact Information ________________________________________________________

Jared St. Clair is an herbalist and and expert natural supplement formulator with over 30 years of hands-on experience running Vitality Nutrition, a health food store in Utah and the host of the Vitality Radio Podcast. His website is VitalityNutrition.com.

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure. Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.

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Podcast Highlights

Dr. Dipti Sagar discusses Gastroesophageal Reflux with Dr. Ben Weitz.

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Podcast Highlights

Understanding Gastroesophageal Reflux Disease (GERD): Insights from Dr. Dipti Sagar In this episode of the Rational Wellness Podcast, Dr. Ben Weitz hosts Dr. Dipti Sagar, an integrative gastroenterologist, to discuss gastroesophageal reflux disease (GERD). They cover the common symptoms like heartburn and its underlying causes, including the dysfunction of the lower esophageal sphincter and impaired motility. Dr. Segar highlights the potential drawbacks of long-term use of proton pump inhibitors (PPIs) and the importance of lifestyle changes for managing reflux. The conversation delves into the role of dietary habits, stress management, and natural treatments like herbal remedies and dietary modifications. Additionally, they explore related conditions such as small intestinal bacterial overgrowth (SIBO), H. pylori infection, and the impact of medications like GLP-1 agonists and bisphosphonates. The episode concludes with Dr. Sagar providing resources for those seeking more personalized advice on gut health and reflux management. 00:30 Understanding Gastroesophageal Reflux Disorder (GERD) 01:35 Symptoms and Causes of Reflux 02:23 Defining Reflux, GERD, and Heartburn 03:18 Normal Reflux vs. GERD 05:27 Treatment with Acid Blocking Medications 07:21 The Role of Hydrochloric Acid in Digestion 09:36 Motility Disorders and Reflux 11:36 Alternative Treatments and Lifestyle Changes 21:28 Foods and Medications Affecting Reflux 23:11 Improving Esophageal Motility 25:27 Managing Stress to Reduce Inflammation 25:41 Introducing the Apollo Wearable 27:13 Understanding H. Pylori and GERD 29:28 Natural vs. Conventional Treatments for H. Pylori 33:51 Hypermobility Syndrome and Gut Health 37:38 Impact of Weight Loss Drugs on GI Health 40:40 Diet and Food Sensitivities in Acid Reflux 43:11 Oral Health and Its Connection to Gut Health 46:50 Conclusion and Contact Information _______________________________________________________

Dr. Dipti Sagar is an Integrative Gastroenterologist who practices in Century City as an associate of Dr. Farshid Rahbar and reflux is one of the many GI conditions that she treats regularly in patients. Her website is LAIntegrativeGI.com.

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure. Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.

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Dr. Marc Ryan discusses Hashimoto's Thyroiditis with Dr. Ben Weitz.

[If you enjoy this podcast, please give us a rating and review on Apple Podcasts, so more people will find The Rational Wellness Podcast. Also check out the video version on my WeitzChiro YouTube page.]

Podcast Highlights

In this episode of the Rational Wellness Podcast, Dr. Ben Weitz hosts Dr. Mark Ryan, a licensed acupuncturist, herbalist, and functional medicine practitioner, to discuss Hashimoto's Thyroiditis, the most common autoimmune condition in the US. Dr. Ryan shares his personal journey with Hashimoto's and his path towards specializing in its treatment. They delve into the causes, symptoms, and the complexities of managing this condition, emphasizing the importance of a holistic approach. They also discuss the nuances of various thyroid medications, the impact of diet, and the role of supplements. The episode provides insights into functional and traditional Chinese medicine approaches to treating Hashimoto's, stressing the need for comprehensive testing and individualized care. 00:30 Meet Dr. Mark Ryan: Expert on Hashimoto's Thyroiditis 00:59 Understanding Hashimoto's Thyroiditis 02:52 Dr. Ryan's Personal Journey with Hashimoto's 05:45 Common Symptoms of Hashimoto's 07:11 Conventional vs. Functional Medicine Approaches 07:46 The Role of Thyroid Hormones 12:59 Autoimmunity and the Immune System 16:33 Comprehensive Testing for Hashimoto's 20:13 Addressing Adrenal Dysfunction 21:28 Managing Blood Sugar Levels 24:14 Product Break: Apollo Wearable 25:45 Hypothyroidism and Its Effects on the Body 25:56 Understanding Hypothyroidism and Kidney Function 28:23 The Impact of Testosterone on Kidney Health 30:16 Thyroid Hormone and Heart Disease Risk 31:41 Nutritional Supplementation for Hashimoto's 31:47 The Controversy of Iodine in Thyroid Health 37:30 Balancing Thyroid Medication 38:52 Dietary Recommendations for Hashimoto's Patients 43:51 Final Thoughts and Contact Information _______________________________________________________

Dr. Marc Ryan is a licensed acupuncturist, herbalist, and functional medicine practitioner. He's written two books about Hashimoto's thyroiditis, how to Heal Hashimoto's and The Hashimoto's Healing Diet. He teaches at YoSan Acupuncture College, and his practice is devoted to treating patients with Hashimoto's. His website is HashimotosHealing.com

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure. Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.

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Dr. Andrea McBeth discusses how Stool-derived Postbiotics can restore gut health with Dr. Ben Weitz.

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Podcast Highlights

In this episode of the Rational Wellness Podcast, host Dr. Ben White discusses postbiotics with Dr. Andrea McBeth, a naturopathic clinician and expert in functional gastroenterology and the microbiome. Dr. McBeth shares insights into her work with fecal microbial transplants and her development of the pheno-biotic supplement made from sterilized fecal matter. The conversation dives into the benefits of postbiotics for various gastrointestinal conditions and overall gut health, the complexities of bile acids and their roles in the body, and the emerging understanding of the microbiome's impact on brain and immune function. Dr. McBeth also highlights the stringent criteria for selecting stool donors for her supplements and announces an innovative partnership for clinical trials to gather more data on the effectiveness of postbiotics. 00:29 Meet Dr. Andrea Macbeth: Expert in Functional Gastroenterology 01:26 The Science and Benefits of Fecal Microbial Transplants 04:50 Exploring Bile Acids and Their Clinical Importance 10:02 Understanding Prebiotics, Probiotics, and Postbiotics 12:28 The Development and Benefits of Sterilized Postbiotic Products 14:36 The Apollo Wearable: Managing Stress and Improving Sleep 16:07 How Postbiotics Enhance Gut Health and Overall Wellbeing 28:01 The Role of the Microbiome in Immune Education 29:02 Postbiotics and Their Complementary Role 31:51 Clinical Trials and Data Collection 32:58 Dosage Recommendations and Usage 35:52 Probiotics vs. Fecal Microbiota Transplantation (FMT) 42:20 Misconceptions About the Gut Microbiome 48:19 Sourcing and Criteria for Donor Stool 50:04 Conclusion and Final Thoughts ___________________________________________________________________

Dr. Andrea McBeth is the founder and CEO of Thaena, a pioneering microbiome therapeutics company. She has a Bachelor's in Biochemistry, focusing on molecular biology, and a Doctorate in Naturopathic Medicine. Early in her career, Andrea directed her ND clinical practice toward functional GI disorders and autoimmunity, launching one of the first stool banks for fecal microbiota transplantation to treat Clostridioides difficile infections. Driven by the interface between gut microbes and human health, Andrea invented ThaenaBiotic, the first human-derived postbiotic supplement. The website is Thaena.com.

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure. Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.

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Dr. Nasha Winters discusses The Metabolic Theory of Cancer with Dr. Ben Weitz.

Integrative Approaches to Cancer: Metabolic Theories and Personal Journeys In this episode of the Rational Wellness Podcast, hosted by Dr. Ben Weitz, the guest is Dr. Nasha Winters, a naturopathic doctor and integrative oncology specialist. The discussion centers around the integrative approach to cancer, including Dr. Winters' personal journey with ovarian cancer and her insights on the metabolic theory of cancer as opposed to the somatic mutation theory. They explore various factors influencing cancer, such as diet, environmental toxins, and mental health. Dr. Winters also shares information on innovative diagnostic tools, the importance of metabolic health, and her work in educating the public and healthcare providers. The conversation emphasizes that individual treatments should be tailored to the patient's unique metabolic and epigenetic profile. 00:26 Guest Introduction: Dr. Nasha Winters 01:55 Current State of Cancer Worldwide 03:56 Historical Context of Cancer and Health 12:07 Advancements in Cancer Diagnostics 20:30 Dr. Nasha Winters' Personal Health Journey 29:28 The Metabolic Theory of Cancer 36:24 Reevaluating Cancer Theories 38:20 Metabolic Approach to Cancer 39:08 Impact of Diet and Environment 40:23 Microbiome and Immune System 42:37 Radiation and Metabolic Health 52:12 Supplements and Immune Support 59:00 Personalized Cancer Treatment 01:07:10 Integrative Oncology and Future Directions

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Dr. Nasha Winters is a licensed Naturopathic Doctor and an Integrative oncology specialist. She is the host of the Metabolic Matters podcast and Executive Director of the nonprofit organization, the Metabolic Terrain Institute of Health. And she is also a cancer survivor herself. Dr. Winters has a vision to open a residential integrative oncology hospital and research institute and she recently opened a metabolic research lab. She offers the Terrain Advocate program and the Metabolic Approach to Cancer practitioner master course. Dr. Nasha is a co-author of the best-selling books "The Metabolic Approach to Cancer" and Mistletoe and the Emerging Future of Integrative Oncology. Her website is DrNasha.com.

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure. Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.

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Dr. Peter Kozlowski discusses Improving Fertility with DNA Testing and Functional Medicine with Dr. Ben Weitz.

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Podcast Highlights

Genetics and Fertility: An In-Depth Discussion with Dr. Peter Kozlowski In this episode of the Rational Wellness Podcast, host Dr. Ben Weitz engages in a comprehensive discussion with Dr. Peter Kozlowski, a leading functional medicine practitioner, about the role of genetics in fertility. Dr. Kozlowski, with over a decade of expertise, delves into how genetic testing and a functional medicine approach can optimize fertility treatments. He shares insights on various genetic polymorphisms, such as MTHFR and FSHR, and their impact on fertility, alongside preventive measures and treatment strategies. Additionally, he emphasizes the importance of mitigating environmental toxins, optimizing mitochondrial function, and the role of both partners in addressing fertility issues. Dr. Kozlowski also introduces his advanced AI-powered platform designed to support practitioners in applying functional medicine effectively. 00:28 Guest Introduction: Dr. Peter Kozlowski 02:12 The Importance of Genomic Analysis in Fertility Care 02:58 Genetic Testing Advancements and Personal Stories 04:23 Preventative Use of Genetic Testing 08:30 Environmental Toxins and Infertility 12:52 Personal Infertility Journey and Genetic Factors 14:42 Key Genetic Factors in Fertility 19:22 The Role of Resveratrol in Fertility 22:53 Promotional Break: Apollo Wearable 24:24 Additional Important Genes in Fertility 27:58 Genetic Factors in Nutrient Status and Fertility 28:18 Vitamin A: Importance and Testing Challenges 29:10 Micronutrient Testing and Deficiencies 31:10 CoQ10 and Fertility 31:40 Genetics and Personalized Interventions 33:04 Detoxification: Genes and Controversies 33:51 Approaches to Detoxification 40:10 Mitochondrial Health and Genetic Risks 43:56 Genomic Testing for Fertility 46:00 Men's Role in Fertility 48:14 Conclusion and Contact Information ________________________________________________________

Dr. Peter Kozlowski is a leading Functional Medicine practitioner with over a decade of experience dedicated to transforming healthcare. He is the creator of Root Cause Practice Pro, an advanced AI-powered platform designed to empower both functional Medicine practitioners and individuals seeking answers to chronic health issues. Dr. Kozlowski has written two books, Unfunc Your Gut and Get the Func Out. He lectures for the Institute of Functional Medicine about fertility and how using a Functional Medicine approach that includes looking at genetic SNPs, that is a very compelling way to help patients. His website is doc-koz.com.

Dr. Ben Weitz is available for Functional Nutrition consultations specializing in Functional Gastrointestinal Disorders like IBS/SIBO and Reflux and also Cardiometabolic Risk Factors like elevated lipids, high blood sugar, and high blood pressure. Dr. Weitz has also successfully helped many patients with managing their weight and improving their athletic performance, as well as sports chiropractic work by calling his Santa Monica office 310-395-3111.