Protein grams don't tell the full story. In this episode, Vanessa Spina is joined by Paul Moughan , a world authority on protein quality and amino acid digestibility, to explore why fat loss can stall and muscle can be lost — even on a high-protein diet. Dr. Moughan, a Distinguished Professor at Massey University and architect of DIAAS, explains why protein absorbed and delivered to muscle matters more than protein consumed. Timeline Mitopure Gummies — The #1 Urolithin A supplement for energy an...
Feb 09, 2026•1 hr 24 min•Season 1Ep. 766
Start of Arny Ferrando's episode recap is at 14:00 minutes. In today's Friday solocast, Vanessa Spina recaps her recent interview with Arny Ferrando , one of the world's leading experts on human muscle protein metabolism — and explains why fat loss problems are often muscle problems in disguise. The episode opens with two brand-new studies that challenge common fat-loss assumptions, including new findings on hydration and body fat loss, and surprising research linking resistance training with in...
Feb 06, 2026•38 min•Season 1Ep. 765
In this episode of The Optimal Protein Podcast , Vanessa Spina welcomes back leading muscle metabolism researcher Dr. Arny Ferrando for a deep dive into protein, muscle, and women's physiology across the menopause transition. 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 They explore why perimenopause represents a critical turning point for whole-body protein balance, how muscle los...
Feb 02, 2026•1 hr 12 min•Season 1Ep. 764
Most people think creatine only affects muscle strength and performance. But what if creatine also plays a role inside fat cells themselves—and could subtly influence fat loss and body recomposition? In this episode of the Optimal Protein Podcast, Vanessa Spina I recaps the key takeaways from the interview with Dr. Scott Forbes , focusing on fat loss, body recomposition, muscle preservation, protein intake, creatine supplementation, sleep, and aging. This episode breaks down brand new research o...
Jan 30, 2026•38 min•Season 1Ep. 763
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 Most fat-loss advice focuses on the scale — but what if that's the wrong metric entirely? In this episode, Vanessa Spina is joined by Dr. Scott Forbes, exercise physiologist and professor at Brandon University, whose research challenges many of the assumptions behind traditional weight-loss approaches. Dr. Forbes has authored and co-auth...
Jan 26, 2026•1 hr 6 min•Season 1Ep. 762
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 Vanes...
Jan 23, 2026•46 min•Season 1Ep. 761
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 In this episode, I'm joined by Dr. Catherine Clinton to explore how circadian biology, light exposure, and cellular electrical charge regulate metabolism, hormones, and fat loss — often beyond calories alone. We discuss how morning light impacts leptin signaling, insulin sensitivity, cortisol, and melatonin, why modern indoor living disr...
Jan 19, 2026•1 hr 13 min•Season 1Ep. 760
Skip to the start of the recap: 11:40 In today's solo recap, Vanessa unpacks the most important takeaways from her conversation with Dr. Nick Barringer—former U.S. Army officer, researcher, and Registered Dietitian—whose work with tactical athletes and elite military populations reveals what really happens to the body during fat loss, stress, and recovery. This episode explores why so many people lose muscle when dieting, how PSMF and ketosis fundamentally change the equation, and what most fat-...
Jan 16, 2026•38 min•Season 1Ep. 759
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 In this episode of the Optimal Protein Podcast , Vanessa is joined by Dr. Nick Barringer, former U.S. Army officer, researcher, Registered Dietitian, and Chief Academic Officer at Lionel University. Dr. Barringer has led cutting-edge research on protein intake, recovery, and resilience under extreme physical and psychological stress, wor...
Jan 12, 2026•1 hr 6 min•Season 1Ep. 758
Skip to the start of the episode: 11:52 In today's Friday solo recap on the Optimal Protein Podcast , I break down the most important takeaways from my recent conversation with Dr. Gabrielle Lyon — and why this episode has major implications for fat loss, metabolic health, and women's body composition. 🧠 IQBAR – Try the Ultimate Sampler Pack: IQBARs, IQMIX, and IQJOE! Text VANESSA to 64000 for a 20% off discount code One of the biggest themes of our discussion was that muscle is not just about ...
Jan 09, 2026•48 min•Season 1Ep. 757
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 In this episode of the Optimal Protein Podcast, I'm joined by Dr. Gabrielle Lyon to break down the muscle-centered strategy every woman needs for fat loss, metabolic health, and long-term strength. We unpack why muscle — not hormones alone — is the key driver of body composition, why midlife fat gain is not inevitable, and how protein in...
Jan 05, 2026•1 hr 8 min•Season 1Ep. 756
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 Most people don't fail at their goals because they lack discipline — they fail because they were never taught how to set goals that actually work. In this New Year solo episode, Vanessa shares a powerful, step-by-step goal-setting masterclass inspired by Tony Robbins and Brian Tracy, applied specifically to fat loss, body recomposition, ...
Jan 02, 2026•43 min•Season 1Ep. 755
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 In today's episode, I'm continuing our Best of 2025 series with a powerful follow-up to Friday's episode. Instead of an interview, this is a curated masterclass pulling together the most important breakthroughs of 2025 in body recomposition, fat loss, and protein metabolism — especially for women navigating perimenopause and midlife meta...
Dec 29, 2025•1 hr 30 min•Season 1Ep. 754
Study takeaways start at 18:00 mark 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 In this special end-of-year solo episode, Vanessa shares a brief personal announcement, followed by the five biggest scientific takeaways from 2025 that reshaped how she thinks about fat loss, longevity, and metabolic health. This episode highlights the studies and expert conversations featured on the ...
Dec 27, 2025•59 min•Season 1Ep. 755
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 In this episode of the Optimal Protein Podcast, Vanessa is joined by Cynthia Thurlow, nurse practitioner, bestselling author, and women's health expert, for a deep dive into why fat loss and muscle maintenance become more challenging during perimenopause and menopause. Cynthia explains how hormonal shifts drive anabolic resistance, reduc...
Dec 23, 2025•1 hr 28 min•Season 1Ep. 752
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 What if the real driver of skin aging isn't wrinkles or sun damage — but "zombie" senescent cells hiding in your skin? In this episode of the Optimal Protein Podcast, Vanessa sits down with Dr. Alessandra Zonari, PhD — a stem cell biologist and longevity scientist — for a fascinating deep dive into the new peptide science behind skin agi...
Dec 20, 2025•1 hr 9 min•Season 1Ep. 751
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 Why do so many people lose weight — only to regain it later? In this episode of The Optimal Protein Podcast, Vanessa Spina sits down with Dr. Holly Wyatt, physician, endocrinologist, and longtime researcher with the National Weight Control Registry (NWCR) — the world's largest and longest-running study of people who have lost weight and ...
Dec 15, 2025•1 hr 1 min•Season 1Ep. 750
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 For nearly a decade, many of us have believed that calorie burn eventually plateaus—that once you move enough, your body quietly compensates and stops burning more energy. That belief has shaped how we diet, how we train, and even whether we bother moving more at all. But a brand-new 2025 human study challenges that idea in a way that co...
Dec 12, 2025•52 min•Season 1Ep. 750
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 In today's episode, Vanessa sits down with Dr. Howard, the lead author of a brand-new PNAS study that is challenging one of the most widely accepted ideas in human metabolism. For years, many scientists believed that our bodies operate within a fixed daily calorie "budget," and that after a certain point, increasing activity doesn't incr...
Dec 08, 2025•1 hr 12 min•Season 1Ep. 749
In today's episode, Vanessa reveals the shocking new human research on two of the most powerful and science-backed supplements for women's fat loss, muscle tone, metabolic health, skin rejuvenation, and longevity: creatine and collagen. You'll discover why creatine is no longer just a gym supplement, and how groundbreaking new data shows collagen may actually influence biological age. This episode is packed with cutting-edge insights every woman needs to hear. Timeline Mitopure Gummies — The #1 ...
Dec 05, 2025•46 min•Season 1Ep. 748
NEW! Support your strength and muscle goals with PUORI Creatine+ — a clean, effective creatine monohydrate supplement enhanced with taurine. Get 20% off at puori.com/VANESSA In this science-packed episode, Dr. Cas Fuchs breaks down the surprising ways intermittent fasting, under-fueling, cold plunges, and low glycogen can quietly sabotage your muscle, strength, and body recomposition goals. We uncover the truth about IF for active women, what really matters for protein timing and distribution, h...
Dec 01, 2025•1 hr 18 min•Season 1Ep. 747
🔥 BLACK FRIDAY IS HERE — 30% OFF SITEWIDE! My biggest sale of the year is live! Get 30% OFF all Tone Devices, red light panels, masks, and more at KetogenicGirl.com with code BF2025. 👉 Shop the sale HERE In this episode, Vanessa reveals why she quit intermittent fasting after nearly a decade — and how she went on to lose 13+ pounds of fat by switching to a completely different approach that's supported by new human research. You'll learn why many popular fasting "benefits" were based on rodent...
Nov 28, 2025•48 min•Season 1Ep. 746
🔥 BLACK FRIDAY IS HERE — 30% OFF SITEWIDE! My biggest sale of the year is live! Get 30% OFF all Tone Devices, red light panels, masks, and more at KetogenicGirl.com with code BF2025. 👉 Shop the sale HERE OneSkin is powered by the breakthrough peptide OS-01, the first ingredient proven to reduce skin's biological age. I use the OS-01 Face and Eye formulas daily—they've transformed my skin's smoothness, firmness, and glow. Visit oneskin.co/VANESSA and use code VANESSA for 15% off your first purc...
Nov 24, 2025•1 hr 21 min•Season 1Ep. 745
Here it is 🖤 BIOptimizers Black Friday: Get 25% off + exclusive free gifts now through Dec 3 on favorites like Magnesium Breakthrough and MassZymes. 👉 bioptimizers.com/vanessa Code: VANESSA Don't miss the year's biggest savings! In today's Friday solo episode, I'm recapping one of my favorite conversations on women's health, metabolism, and body composition with Dr. Hannah Cabré — postdoctoral researcher at Pennington Biomedical Research Center and Fellow of the Year 2025. We break down why pe...
Nov 21, 2025•35 min•Season 1Ep. 744
NEW! Support your strength and muscle goals with PUORI Creatine+ — a clean, effective creatine monohydrate supplement enhanced with taurine. Get 20% off at puori.com/VANESSA In today's episode, we take a powerful deep dive into women's metabolism during perimenopause and midlife with Dr. Hannah Cabré, postdoctoral fellow at Pennington Biomedical Research Center and 2025 Fellow of the Year. We break down why body composition changes so dramatically for women in their late 30s, 40s, and 50s — and ...
Nov 20, 2025•1 hr 16 min•Season 1Ep. 743
Here it is 🖤 BIOptimizers Black Friday: Get 25% off + exclusive free gifts now through Dec 3 on favorites like Magnesium Breakthrough and MassZymes. 👉 bioptimizers.com/vanessa Code: VANESSA Don't miss the year's biggest savings! This is Part Two of our PSMF Ask Me Anything series! In this episode, Vanessa answers your most practical and frequently asked questions about how to implement a Protein-Sparing Modified Fast in real life — including how to adapt it around your family, your menstrual c...
Nov 14, 2025•59 min•Season 1Ep. 742
In this Ask Me Anything episode, Vanessa breaks down your most common questions about the Protein-Sparing Modified Fast (PSMF) — one of the most powerful evidence-based tools for rapid fat loss and muscle preservation. NEW! Support your strength and muscle goals with PUORI Creatine+ — a clean, effective creatine monohydrate supplement enhanced with taurine. Get 20% off at puori.com/VANESSA You'll learn exactly how to calculate your macros, when to schedule refeeds, how to adapt PSMF for your men...
Nov 10, 2025•58 min•Season 1Ep. 741
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 ...
Nov 07, 2025•45 min•Season 1Ep. 740
Learn how to lose 10–20 pounds of fat in one month—without losing muscle or wrecking your hormones. Dr. David Jockers joins Vanessa to break down the Protein-Sparing Modified Fast (PSMF): the macros, meals, training, and refeed strategy that make this rapid fat-loss reset both safe and effective. NEW! Support your strength and muscle goals with PUORI Creatine+ — a clean, effective creatine monohydrate supplement enhanced with taurine. Get 20% off at puori.com/VANESSA What if you could lose up to...
Nov 03, 2025•1 hr 7 min•Season 1Ep. 739
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 solocast episode, Vanessa breaks down the latest research from Dr. David Church — a rising leader in protein metabolism — to reveal exactly how to eat for fat loss without losing muscle. Discover how stable isotope tracer studies reveal the truth about protein timing, fasting, and essential amino acids — and how to ap...
Oct 31, 2025•40 min•Season 1Ep. 738
