Redefining Strength Podcast

Cori Lefkowith

You train hard. You try to eat well. You stay disciplined. And yet progress slows. Energy drops. Fat loss stalls. The Redefining Strength Podcast is for women who work hard on their health… but still feel like their body isn’t responding the way it used to. Hosted by Cori Lefkowith, founder of Redefining Strength, this show helps you understand what’s actually happening inside your body — and what to do about it. Cori is the creator of the STRONG System, used by over 10,000 women around the world to transform their bodies and build results that last. Through real coaching insights and conversations with leading experts in women’s health, metabolism, and behavior change...each episode breaks down the science in a way that actually applies to real life. Because the answer isn’t working harder. It’s learning how to work smarter so your effort finally creates the strength, energy, and confidence you’ve been chasing. If you’re ready to stop starting over and start building a body you can count on, this podcast will help you get there.

  1. 5 MAR

    Don’t Let Menopause Slow Your Metabolism: How to Lift, Sprint Hard & Fuel w/ Dr. Stacy Sims

    Menopause doesn't have to mean a slower metabolism, stubborn belly fat, or feeling like your body betrayed you. In this interview Dr. Stacy Sims—world-renowned exercise physiologist, nutrition scientist, and author of ROAR and Next Level—breaks down exactly why traditional advice (endless Zone 2 cardio, fasting, calorie restriction) backfires for women in perimenopause and menopause... and what actually works to rev your metabolism, build resilient strength, and thrive. We dive deep into: -Why sprints and heavy lifting (low reps, high intensity) create powerful metabolic signaling -The truth about fueling: More protein + carbs (not less), nutrient timing, and why "calories in, calories out" is outdated for women -How hormone shifts affect insulin sensitivity, glucose use, visceral fat, and brain health...and how to counter them with smart training -Shifting from "loss" to "gain": Build muscle, power, and metabolic health instead of shrinking or slowing down -Practical tips: Less volume/more quality, recovery, mobility, creatine, and mindset shifts for midlife resilience If you're a woman 40+ feeling the "rules changed" and wondering why your old routines aren't delivering results anymore, this episode is your reset. Dr. Sims empowers you to take up space, push hard, and feel stronger than ever. 00:00 Dr. Stacy Sims 05:05 Quality over volume (push hard, recover hard) 10:15 The Training Dogma Women Get Wrong (and why) 13:55 Sprint Intervals: the Metabolic + Brain Upgrade 18:42 Heavy Lifting for Power, Fast-Twitch & Healthspan 26:26 DEXA + Labs: the wake-up call for endurance athletes 34:33 Why Calories in vs. Calories out Fails 40:13 The importance of Creatine 50:21 The importance of Sleep Connect with Dr. Stacy Sims: Website: https://www.drstacysims.com Instagram: @drstacysims Books: ROAR & Next Level Subscribe for more science-backed women's health, midlife fitness, and menopause empowerment! #Redefiningstrength #Menopause #Perimenopause #Metabolism #WomensFitness #StrengthTraining #DrStacySims #MenopauseWeightGain #SprintTraining #HeavyLifting #HormoneHealth

    1 h y 13 min
  2. 3 MAR

    GLP-1..."Asking for a friend."

    If we’re going to talk about GLP-1s…Let’s stop whispering. And let’s ditch the shame. I bring this up after sharing a GLP-1 resource on Facebook and seeing people comment "asking for a friend." Using a medical tool to improve your health isn’t a character flaw. It’s not laziness. It’s not weakness. And choosing not to use one? That’s valid too. You don’t get a medal for suffering. And you don’t lose integrity for getting support. What actually moves you forward is being informed…and choosing the path that aligns with your goals, your lifestyle, and your reality. But informed means understanding the trade-offs. So let’s own what this medication is - and what it isn’t. GLP-1s suppress appetite. That’s their job. Appetite suppression alone does not build the physique, strength, or metabolic resilience most people actually want. They don’t build muscle. They don’t selectively burn only fat. They don’t stimulate hypertrophy or magically optimize your metabolism. Muscle is built with tension. With progressive overload. With enough fuel and enough protein to support growth. And building muscle is one of the most powerful ways to support long-term metabolic health. When calories drop quickly (especially without strength training) lean mass loss is common. Rapid weight loss without muscle retention is not the same thing as improving body composition. That’s not judgment. That’s physiology. So if you choose to use a GLP-1 and you want to look strong, defined, and athletic? You need intentional strength training. You need adequate protein. You need to give your body a reason to keep its muscle. And if you choose not to use one? The fundamentals are still the same. Intentional training. Adequate protein. Consistency over time. Different paths. Same principles. What matters most is ownership. Being able to say: "This is the route I’m choosing." "I understand what it does - and what it doesn’t." "I’m committed to building the result I actually want." No shame. No defensiveness. No pretending either choice is morally superior. Just informed decisions with high standards. Open conversations lead to smarter strategies. And muscle - real muscle - is always built on purpose. If you’re using a GLP-1, or considering it, hit reply with GLP-1 here's a guide on how to maintain muscle and metabolic health while doing it: https://drive.google.com/file/d/1VCuyUsZVZvD-AN0WFyjxAzYTMu3JWkTT/view?usp=sharing

    14 min
  3. 26 FEB

    The Hidden Signs of Perimenopause (And How to Fix Your Hormones) | Dr. Amy Shah

    The Hidden Signs of Perimenopause (And How to Fix Your Hormones) | Dr. Amy Shah Are you feeling tired, struggling to recover from your workouts, or noticing changes in your body that you just can’t explain? You might be told it’s just a normal part of "getting older," but the truth is, hormonal shifts can actually start in your 30s! In this episode, I'm sitting down with Dr. Amy Shah to uncover the hidden signs of perimenopause that even doctors often miss. We dive deep into the powerful connection between your gut, brain, and hormones, and talk about why society's pressure for women to make themselves "smaller" is actually destroying our health. If you are ready to reclaim your energy and build true strength in midlife, Dr. Shah shares her incredibly simple "30-33 Framework" to help you overhaul your gut health and balance your hormones—without restrictive dieting. In this episode, we cover: The Mindset Shift: Why we need to stop shrinking ourselves and start getting STRONGER.Perimenopause Truths: Why hormone changes start way earlier than you think (and the symptoms to look out for).The 30-3-3 Framework: Dr. Shah’s exact science-backed protocol (Protein, Fiber, and Probiotics) to heal your gut.Circadian Rhythms: Why your gut bacteria crave sunlight and how modern technology is making us tired.The 7-Day Reset: How to start taking action today with small, 1% improvements.Connect with Dr. Amy Shah: Read her new book: Hormone Havoc (Available everywhere books are sold!)Website: amymdwellness.comInstagram & TikTok: @DrAmyShah

    35 min
  4. 12 FEB

    Stop Trying to Shrink! Being STRONG Is So Much Better Than Being Small (w/ Tara LaFerrara)

    If you feel like you’re working out seven days a week just to get smaller but you still don’t feel confident, energized, or powerful in your own skin...this episode is for you. The truth is, society has conditioned us to believe that "success" means shrinking. We’re told that if we aren’t exhausted after every workout, it doesn't count. But real, lasting transformation happens when you stop trying to disappear and start focusing on what you can build. In this episode of the Redefining Strength Podcast, I sit down with Tara LaFerrara. Tara is a premier fitness coach, creator of the Broads app, and an expert at helping women move away from the "all-or-nothing" mindset to build real strength and confidence. Together, we break down: The "Shrinking" Trap: Why success isn't measured by a number on the scale and how to shift your focus to taking up space. The HIIT Girly Phase: Why the "more is better" approach leads to burnout and how to transition to intentional lifting. Identity Shift: Why building a habit takes 60 days, but building an identity takes years and why most people stop too soon. The Challenge Gap: Why we stop challenging ourselves as we get older and how to regain the courage to be a beginner again. Filtering Information Overload: How to put blinders on when social media tells you there is only "one way" to train. The All-or-Nothing Solution: Practical strategies to win your day even when you can't get all ten things on your to-do list done. Under-Recovering vs. Overtraining: Why rest and deload weeks are actually the fast track to breaking through plateaus. If you’ve ever thought: “It only counts if I’m dripping in sweat and exhausted.” “I want to be strong, but I’m afraid of taking up too much space.” “I’m an all-or-nothing person; if I miss one workout, the whole week is ruined.” “I’ve built the habits, but I still don’t feel like I’ve changed who I am.” This episode is for you. Chapters: 00:00 – Stop Trying to Shrink! 01:50 – Leaving the "HIIT Girly" Mindset Behind  14:27 – Why We Struggle to Be Beginners as Adults  19:22 – Habit vs. Identity: The Real Timeline for Change  25:21 – Filtering the "Information Overload" of Social Media  31:52 – How to Finally Break the All-or-Nothing Cycle  37:23 – Why Recovery & Deloading Are Non-Negotiable

    47 min

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You train hard. You try to eat well. You stay disciplined. And yet progress slows. Energy drops. Fat loss stalls. The Redefining Strength Podcast is for women who work hard on their health… but still feel like their body isn’t responding the way it used to. Hosted by Cori Lefkowith, founder of Redefining Strength, this show helps you understand what’s actually happening inside your body — and what to do about it. Cori is the creator of the STRONG System, used by over 10,000 women around the world to transform their bodies and build results that last. Through real coaching insights and conversations with leading experts in women’s health, metabolism, and behavior change...each episode breaks down the science in a way that actually applies to real life. Because the answer isn’t working harder. It’s learning how to work smarter so your effort finally creates the strength, energy, and confidence you’ve been chasing. If you’re ready to stop starting over and start building a body you can count on, this podcast will help you get there.

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