Molecules Matter With Dr. Dan

Dr. Dan Gubler
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Molecules Matter with Dr. Dan is a science-based podcast exploring how specific molecules found in plants, fungi, and foods influence human health. Each episode dives into one molecule—or class of molecules—examining where it comes from, how it’s made in nature, why plants use it, and how it interacts with human biology. Grounded in peer-reviewed research, this podcast separates mechanism from marketing and replaces wellness noise with molecular understanding—because when you understand molecules, health stops being mysterious.

Episodes

  1. 1 DAY AGO

    Episode 7: Berberine — The Ancient Molecule That Talks to Your Metabolism

    Episode summary: Berberine is one of the most well-researched plant-derived molecules for metabolic health, with roots in traditional medicine systems going back more than 2,000 years. In this episode of Molecules Matter, Dr. Dan breaks down the chemistry, biology, and clinical science behind berberine—an isoquinoline alkaloid that acts as a powerful metabolic signal in the human body. Unlike vitamins or hormones, berberine works by activating key cellular energy-sensing pathways, especially AMPK. Modern research shows that berberine can influence blood sugar regulation, insulin sensitivity, lipid metabolism, cardiovascular health, inflammation, gut microbiome balance, mitochondrial efficiency, and pathways associated with healthy aging. This episode explores where berberine comes from in nature, how plants synthesize it as a defensive molecule, how it behaves in the human body despite low bioavailability, and why its effects often rival pharmaceutical interventions—without acting like a drug. Key topics covered: • What berberine is and why it’s classified as an isoquinoline alkaloid • Plants that naturally contain berberine and their traditional uses • Chemical structure and mitochondrial targeting • Absorption, metabolism, and gut microbiome interactions • AMPK activation and cellular energy regulation • Blood sugar control and insulin sensitivity • Cholesterol lowering and cardiovascular support • Anti-inflammatory and antioxidant effects • Mitochondrial hormesis and metabolic flexibility • Connections to brain health and aging pathways Evidence-based health benefits: Berberine has been shown in clinical trials to: • Lower fasting and post-meal blood glucose • Reduce HbA1c in individuals with insulin resistance • Decrease LDL cholesterol and triglycerides • Improve insulin signaling and glucose uptake • Modulate gut microbiota toward a healthier profile • Suppress chronic low-grade inflammation • Improve mitochondrial efficiency and energy balance How much berberine should you take? Typical clinically studied dose: • 900–1,500 mg per day Standard dosing strategy: • 500 mg, 2–3 times daily, taken with meals Why split the dose? • Short half-life • Better glucose control around meals • Improved gastrointestinal tolerance Starting dose (for sensitivity): • 300–500 mg per day, gradually increasing over 1–2 weeks Upper range used in studies: • Up to 2,000 mg per day (medical supervision recommended) Safety notes: Berberine may interact with medications for blood sugar, blood pressure, or cholesterol. Not recommended during pregnancy or breastfeeding. Key takeaway: Berberine isn’t a stimulant or a shortcut—it’s a metabolic signal. A plant-derived molecule that speaks directly to the energy-regulating pathways that govern human health.

    13 min

  2. 3 FEB

    Episode 6: Thymoquinone — The Defensive and Health- Promoting Molecule Inside Black Seed Oil

    Episode 6 Show Notes In this episode of Molecules Matter with Dr. Dan, we take a deep molecular dive into thymoquinone, the primary bioactive compound found in black seed oil derived from Nigella sativa. Rather than focusing on black seed oil as a supplement trend, this episode explores thymoquinone as the molecule doing the work—from its chemical structure and role in plant defense to its documented effects in human biology. You’ll learn: What thymoquinone is and why its quinone structure matters How Nigella sativa biosynthesizes thymoquinone Why plants use thymoquinone to protect seeds from stress and microbes How thymoquinone modulates inflammation, oxidative stress, and immune signaling What the peer-reviewed research shows about metabolic, neurological, and immune effects Practical considerations for using black seed oil and thymoquinone safely This episode separates mechanism from marketing and explains why thymoquinone is best understood as a molecular stress-response modulator, not a cure-all. Quinones and redox-active molecules Plant secondary metabolites and defense chemistry NF-κB, oxidative stress, and immune signaling Metabolic inflammation and insulin sensitivity Black seed oil quality, dosing, and safety The information provided in this episode is for educational purposes only and is based on peer-reviewed scientific literature. It is not intended as medical advice. Always consult a qualified healthcare professional before starting any new supplement. References Woo, C. C., Kumar, A. P., Sethi, G., & Tan, K. H. B. (2012). Thymoquinone: Potential cure for inflammatory disorders and cancer. Biochemical Pharmacology, 83(4), 443–451. https://doi.org/10.1016/j.bcp.2011.09.029 Gali-Muhtasib, H., Roessner, A., & Schneider-Stock, R. (2006). Thymoquinone: A promising anti-cancer drug from natural sources. International Journal of Biochemistry & Cell Biology, 38(8), 1249–1253. https://doi.org/10.1016/j.biocel.2005.10.009 Hossen, M. J., Yang, W. S., Kim, D., Aravinthan, A., Kim, J. H., & Cho, J. Y. (2017). Thymoquinone: An anti-inflammatory agent with therapeutic potential in inflammatory diseases. Molecules, 22(4), 1–15. https://doi.org/10.3390/molecules22040636 Darakhshan, S., Bidmeshki Pour, A., Hosseinzadeh Colagar, A., & Sisakhtnezhad, S. (2015). Thymoquinone and its therapeutic potentials. Pharmacological Research, 95–96, 138–158. https://doi.org/10.1016/j.phrs.2015.03.011 Ahmad, A., Husain, A., Mujeeb, M., Khan, S. A., Najmi, A. K., Siddique, N. A., … Anwar, F. (2013). A review on therapeutic potential of Nigella sativa: A miracle herb. Asian Pacific Journal of Tropical Biomedicine, 3(5), 337–352. https://doi.org/10.1016/S2221-1691(13)60075-1 Badary, O. A., Taha, R. A., Gamal el-Din, A. M., & Abdel-Wahab, M. H. (2003). Thymoquinone is a potent superoxide anion scavenger. Drug and Chemical Toxicology, 26(2), 87–98. https://doi.org/10.1081/DCT-120020404 Fararh, K. M., Atoji, Y., Shimizu, Y., Shiina, T., Nikami, H., & Takewaki, T. (2004). Mechanisms of the hypoglycaemic and immunopotentiating effects of Nigella sativa oil in streptozotocin-induced diabetic hamsters. Research in Veterinary Science, 77(2), 123–129. https://doi.org/10.1016/j.rvsc.2004.03.002 Episode 2 Show NotesThymoquinone: The Defensive Molecule Inside Black Seed OilKey Topics CoveredDisclaimerPeer-Reviewed References (APA Format)

    13 min

  3. 27 JAN

    Episode 5: Withanolides: The Molecular Stress Adaptors from Ashwagandha

    In this episode of Molecules Matter with Dr. Dan, we take a deep molecular dive into withanolides, the bioactive steroidal lactones found in Withania somnifera (ashwagandha). We explore: What withanolides are and why structure determines function How ashwagandha biosynthesizes these compounds Why plants evolved withanolides as stress-response molecules How withanolides interact with human stress pathways (HPA axis, cortisol signaling, inflammation) What peer-reviewed research actually shows about anxiety, stress, cognition, inflammation, and metabolic health Evidence-based dosing, extract standardization, and safety considerations This episode separates mechanism from marketing and explains why ashwagandha works—at the molecular level. Steroidal lactones & structure–function relationships Plant secondary metabolites as stress-adaptation tools NF-κB, cortisol, and inflammatory signaling Neuroprotection and stress resilience Root vs leaf extracts and withanolide standardization Medical Disclaimer The information shared in this episode is for educational purposes only and is based on peer-reviewed scientific literature. It is not intended as medical advice. Always consult a qualified healthcare professional before starting any new supplement. References Chandrasekhar, K., Kapoor, J., & Anishetty, S. (2012). A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of Ashwagandha root in reducing stress and anxiety in adults. Indian Journal of Psychological Medicine, 34(3), 255–262. https://doi.org/10.4103/0253-7176.106022 Lopresti, A. L., Drummond, P. D., & Smith, S. J. (2019). A randomized, double-blind, placebo-controlled, crossover study examining the hormonal and vitality effects of Withania somnifera (ashwagandha) in aging, overweight males. American Journal of Men’s Health, 13(2), 1–13. https://doi.org/10.1177/1557988319835985 Salve, J., Pate, S., Debnath, K., & Langade, D. (2019). Adaptogenic and anxiolytic effects of Ashwagandha root extract in healthy adults: A double-blind, randomized, placebo-controlled study. Cureus, 11(12), e6466. https://doi.org/10.7759/cureus.6466 Ichikawa, H., Takada, Y., Shishodia, S., Jayaprakasam, B., Nair, M. G., & Aggarwal, B. B. (2006). Withanolides potentiate apoptosis, inhibit invasion, and abolish osteoclastogenesis through suppression of NF-κB and STAT3 signaling pathways. Molecular Cancer Therapeutics, 5(6), 1434–1445. https://doi.org/10.1158/1535-7163.MCT-06-0096 Kaileh, M., Berghe, W. V., Heyerick, A., Horion, J., Piette, J., Libert, C., De Keukeleire, D., & Essawi, T. (2007). Withaferin A strongly elicits IκB kinase β hyperphosphorylation concomitant with potent inhibition of NF-κB activation. Journal of Immunology, 178(8), 5279–5287. https://doi.org/10.4049/jimmunol.178.8.5279 Kuboyama, T., Tohda, C., Zhao, J., Nakamura, N., Hattori, M., & Komatsu, K. (2006). Axon- and dendrite-promoting activities of Withania somnifera constituents, withanoside IV and its active metabolite, sominone. British Journal of Pharmacology, 149(6), 829–840. https://doi.org/10.1038/sj.bjp.0706907 Sharma, A. K., Basu, I., & Singh, S. (2018). Efficacy and safety of Ashwagandha root extract in subclinical hypothyroidism: A double-blind, randomized placebo-controlled trial. Journal of Alternative and Complementary Medicine, 24(3), 243–248. https://doi.org/10.1089/acm.2017.0183 Tandon, N., & Yadav, S. S. (2020). Safety and clinical effectiveness of Ashwagandha (Withania somnifera): A review of randomized controlled trials. Phytotherapy Research, 34(10), 2562–2575. https://doi.org/10.1002/ptr.6702

    11 min

  4. 09/12/2025

    Episode 4

    Thanks for listening and please like, follow, and share! Items discussed include. Tofu and cognitive decline in the middle aged and elderlyRed KiwisAnti-inflammatory foods to eat Best type of pickles to eatAre the amounts of cadmium and lead in dark chocolate bad for you?MicrogreensAnd much more!

    35 min

  5. 02/12/2025

    Episode 3

    Some of the items discussed include: - Cool health benefits of binaural beats - Are avocados bad for fatty liver - How to take black seed oil - What are some the best medicinal spices - Lemon water Please send questions you want me to answer through Instagram, Facebook, or my website (www.drdangubler.com) Thanks for listening and please follow my show, leave a review, and share with others!

    36 min

  6. 18/11/2025

    Episode 2

    This episode of AMA with Dr. Dan answered the following questions: Are carnivore and keto diets good for you? Is the Mediterranean really that great? Does fasting cause your brain to shrink?What should I eat during perimenopause?And much more! Thanks for listening! Please like, subscribe, and share with someone.

    38 min

  7. 17/11/2025

    Episode 1

    Topics discussed in this AMA include good foods you should eat, the dangers of microplastics, should I do a wellness retreat, and other good times.

    47 min
  • 7 Episodes

About

Molecules Matter with Dr. Dan is a science-based podcast exploring how specific molecules found in plants, fungi, and foods influence human health. Each episode dives into one molecule—or class of molecules—examining where it comes from, how it’s made in nature, why plants use it, and how it interacts with human biology. Grounded in peer-reviewed research, this podcast separates mechanism from marketing and replaces wellness noise with molecular understanding—because when you understand molecules, health stops being mysterious.

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