1 rich Libsyn https://www.libsyn.com 90 600 Skip to the start of the recap: 13:41 In today’s Friday solo episode of The Optimal Protein Podcast, Vanessa breaks down the science of leptin — the hormone that determines whether your body will burn fat or protect it. Leptin isn’t just about appetite. It’s a metabolic permission signal, and when leptin signaling is disrupted, fat loss can stall even in a calorie deficit. 🧠 IQBAR – Try the Ultimate Sampler Pack: IQBARs, IQMIX, and IQJOE! Text VANESSA to 64000 for a 20% off discount code Vanessa explains how sleep, circadian rhythm, and light exposure affect leptin, why dieting can feel harder than it should, and walks you through a practical 7-Day Leptin Reset Protocol designed to reduce hunger, improve satiety, and make fat loss feel easier. This episode connects leptin science with protein-forward nutrition, calories in vs. calories out, resistance training, and circadian alignment for sustainable fat loss. BOOST YOUR COLLAGEN &amp;amp; ELASTIN with RED LIGHT THERAPY! Save 20% on all Tone Lux Red Light therapy with the code VANESSA! Learn more about the&amp;nbsp; TONE LUX Crystal red light therapy mask and the brand new accessory the&amp;nbsp;TONE LUX CONTOUR for the neck and décollete Vanessa discusses how using the Tone Device is a proxy for fat loss and autophay on Protein Sparing Modified Fasting (PSMF) days! 👉 Use code VANESSA for 20% off&amp;nbsp;HERE Get my free NEW high-protein keto guide:&amp;nbsp;The Keto Reset eBook Free high-protein keto guide: The Keto Reset eBook 👤 Connect with Vanessa: • Instagram: @ketogenicgirl 📱 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: Optimal Protein Podcast Community 🎙 The content in this podcast is for informational purposes only and not nutritional or medical advice. Always consult your healthcare provider before making major dietary or lifestyle changes. &amp;nbsp; Optimal Protein Podcast with Vanessa Spina https://www.ketogenicgirl.com/ <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/39827390/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/item/39827390