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Optimal Protein Podcast with Vanessa SpinaAuthor: Vanessa Spina
Vanessa Spina is a Sports Nutrition Specialist, Best Selling author, creator of the innovative TONE device, as well as a sought after international speaker. On the Optimal Protein podcast, Vanessa shares how to get effortlessly lean and improve metabolic health and fitness with an optimal protein intake! Featuring interviews with world renowned and leading edge protein scientists & experts, authors, and people with inspiring transformational stories discussing the best tools for becoming optimizing your metabolic health with whole foods, nutrition, exercise and more! Language: en Genres: Fitness, Health & Fitness, Nutrition Contact email: Get it Feed URL: Get it iTunes ID: Get it |
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The NEW Era of Fasting: PSMF vs Water Fasting & The 3 Types of Hunger | Dr. Jason Fung
Episode 772
Monday, 9 March, 2026
In this episode, Vanessa is joined by Dr. Jason Fung, author of The Hunger Code, to unpack the hormonal science behind fat loss — and how fasting may be entering a new era. They start with the three types of hunger and why obesity is not simply about willpower, but disrupted hormonal signaling. We break down insulin's role in fat storage, obesity, and how ultra-processed foods blunt satiety hormones. Vanessa and Dr. Fung also discuss how protein, fiber, and fat affect hunger very differently than refined carbohydrates — and why a calorie is not metabolically neutral. Then they shift to fasting. Dr. Fung shares his current protocols and comments on emerging research supporting Protein-Sparing Modified Fasting (PSMF) as a more practical, muscle-conscious alternative to prolonged water fasting. They cover: • PSMF vs water fasting • Protecting lean mass during fat loss • GLP-1 medications — risks and unintended consequences • Appetite suppression vs true metabolic health • Fat loss considerations for women in peri- and post-menopause This conversation challenges the idea that all fasting approaches are created equal — and reframes modern fat loss through a hormonal lens. Timeline Mitopure Gummies — The #1 Urolithin A supplement for energy and healthy aging, now in delicious strawberry gummies. Get 20% off at timeline.com/vanessa Protein-Sparing Modified Fasting Library (Coming Soon) Vanessa shares her behind-the-scenes system built from the approach she used to lose 14+ lbs of body fat while preserving lean mass. Join the waitlist: Sign up HERE to be the first to know when it has been released! 👉 Subscribe, rate, and review the Optimal Protein Podcast to support the show and help bring you more evidence-based conversations on fat loss, protein, and muscle-centric nutrition. Get 20% off the Tone Device to try on a PSMF Day! Shop the collection HERE and use the code VANESSA Get delicious high protein meal recipes! Connect with Vanessa on Instagram @ketogenicgirl 🔴 Tone LUX Red Light Therapy Get 20% off the Tone LUX Crystal Red Light Therapy collection including the Crystal Mask and accessories the with the code VANESSA HERE Follow @optimalproteinpodcast on Instagram to see visuals and posts mentioned on this podcast. Link to join the Facebook group for the podcast The content provided in this podcast is for informational purposes only and should not be construed as medical advice. Consult with a healthcare professional before making significant changes to your diet or exercise regimen.
