Beat BLOAT & unlock better protein absorption and digestion with MassZymes by BiOptimizers. NOW GET 15% off your order with the code VANESSA at bioptimizers.com/vanessa In this solo episode, Vanessa Spina breaks down the science and strategy behind one of the most effective tools for rapid fat loss and muscle preservation — the Protein-Sparing Modified Fast (PSMF). Following her in-depth interview with Dr. David Jockers, Vanessa explains exactly how this approach works, why it's so powerful for resetting metabolism, and how to implement it safely for optimal results. If you've ever wondered how to burn fat quickly without losing muscle, how to overcome plateaus, or how to use short, strategic fasting phases for body recomposition, this episode is your ultimate guide. 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 💪 Key Takeaways You can burn fat without losing muscle by keeping protein high and calories low. Autophagy occurs from calorie restriction — not protein restriction. Ketones created during PSMF provide mental clarity, calm, and focus. Strategic refeeds help lock in fat loss and prevent rebound weight gain. When combined with strength training, PSMF becomes a powerful metabolic reset tool. 🧠 IQBAR – Seasonal flavors + Ultimate Sampler Pack: IQBARs, IQMIX, and IQJOE. Text VANESSA to 64000 for a 20% off discount code  Mentioned in This Episode Effect of fasting-mimicking diets with low and high protein content on cardiometabolic health and autophagy (Burns et al., 2024) Dr. Eric Helms & Dr. Martin Rufalo meta-analysis on protein intake during energy restriction Dr. David Jockers, The Dr. Jockers Functional Nutrition Podcast Historical PSMF research by Dr. George Blackburn Get my free NEW high-protein keto guide: The Keto Reset eBook Learn more about the TONE LUX Crystal red light therapy mask and the accessory the TONE LUX CONTOUR for the neck and décolleté and get 20% OFF with the code VANESSA Free high-protein keto guide: The Keto Reset eBook 👤 Connect with Vanessa: • Instagram: @ketogenicgirl • 🔗 Learn more about the TONE Breath Ketone Analyzer — 20% OFF with code VANESSA • Tone Collagen 📱 Follow @ketogenicgirl for the latest studies and strategies on fat loss and protein optimization 📸 Follow @optimalproteinpodcast for episode visuals and updates 💬 Join the Facebook group: