Contents

    Building muscle through resistance training is not just about aesthetics or athleticism—it’s about extending your lifespan and improving the quality of your years. As experts like Dr. Gabrielle Lyon and Dr. Casey Means emphasize, skeletal muscle plays a foundational role in metabolic health, disease prevention, and maintaining independence as we age.

    Let’s explore how and why muscle is one of the most underutilized yet powerful tools in your health arsenal.


    Muscle: The Organ of Longevity

    Skeletal muscle is the largest organ in the body and a metabolic powerhouse. Dr. Gabrielle Lyon, founder of Muscle-Centric Medicine®, refers to it as the “organ of longevity”—and for good reason.

    Here’s what muscle does behind the scenes:

    • Burns calories at rest, boosting your metabolism and aiding fat loss.
    • Improves insulin sensitivity, helping regulate blood sugar and lowering the risk of type 2 diabetes.
    • Supports weight management by increasing your resting metabolic rate.

    🔬 Science Spotlight: A 2021 study in Frontiers in Endocrinology found resistance training improves insulin sensitivity, a major protective factor against metabolic disease.

    Muscle Mass = Life Span

    Higher levels of muscle mass are strongly associated with lower all-cause mortality rates. In other words: people with more muscle live longer—and better.

    As we age, we naturally lose muscle through a process called sarcopenia, which leads to frailty, reduced mobility, and higher risk of injury. Dr. Lyon introduces the idea of “muscle span”—the length of time you retain enough muscle strength to live independently and actively.

    Building and maintaining muscle extends your muscle span, enabling you to age with strength, grace, and freedom.

    📚 Frontiers in Physiology found that individuals with higher muscle mass had significantly lower mortality rates, regardless of body fat percentage.

    Clay’s Health Optimization Assessment tracks muscle mass and muscle span—two of the most important indicators of long-term strength, resilience, and longevity.

    Muscle Is a Metabolic Engine

    Dr. Casey Means, Stanford-trained physician and expert in metabolic health, reinforces muscle’s importance in optimizing body composition and vitality. In her conversations with Dr. Lyon, she underlines the synergy between diet, movement, and muscle health as keys to improving long-term metabolic outcomes.

    Weekly muscle-building supports:

    • Resting metabolic rate (so you burn more calories 24/7)
    • Blood sugar stability (by acting as a glucose sink)
    • Physical resilience (better balance, strength, and fall prevention)
    • Emotional strength (more confidence, energy, and grit)

    Protein: The Daily Lever You Can Pull

    Muscle growth doesn’t happen without intentional inputs. With age comes anabolic resistance, meaning your body responds less efficiently to strength training and protein intake

    Dr. Lyon’s recommendation:

    • 1.6–2.2 grams of protein per kilogram of body weight per day
    • Prioritize high-quality protein sources with every meal
    • Pair with consistent resistance training to counteract aging’s effects

    “Only 24% of people meet exercise recommendations. But 100% of us eat every day. That makes protein a daily opportunity to build muscle.”

    —Dr. Gabrielle Lyon

    Five Reasons Muscle Must Be a Weekly Focus

    1. Fat Loss & Weight Management
      Muscle increases caloric burn, even at rest.
    2. Metabolic Protection
      Resistance training improves insulin sensitivity and blood sugar control.
    3. Injury & Fall Prevention
      Strong muscles support balance, coordination, and bone health.
    4. Chronic Disease Shield
      More muscle = reduced risk for obesity, cardiovascular disease, and diabetes.
    5. Confidence & Motivation
      Strength training improves energy, mood, and psychological resilience.

    It’s Never Too Late to Start

    Whether you’re 25 or 75, resistance training can transform your health trajectory. Research shows that even older adults can gain muscle and strength with consistent, properly dosed training.

    Getting started doesn’t require a gym or hours a day:

    • Bodyweight exercises
    • Dumbbells or resistance bands
    • Functional movements 2–3x/week
    • Fueling with sufficient protein

    Every rep is an investment in your future. Stay consistent. Stay strong.

    Final Word: Build Now, Thrive Later

    At Clay, we believe muscle is a vital marker of health. It’s not just about looking fit—it’s about building a resilient body that supports you for life. From boosting your energy today to extending your independence tomorrow, muscle matters.

    Make it part of your weekly non-negotiables. Your future self will thank you.

    Author

    Written by Andrew Browning, Coaching Director @ Clay Health & Care
    Andrew Browning is a performance coach and educator with nearly two decades of experience in training, teaching, and behavior change. As Clay’s Coaching Director, he combines deep knowledge in exercise physiology, metabolic health, and recovery with a passion for helping people build sustainable habits that fuel performance at every level. 

    Reviewed by Maggie Riemenschneider, PA-C, MSPAP @ Clay Health & Care
    Maggie Riemenschneider is a nurse practitioner with a holistic and personalized approach to care. Drawing on her background in primary care, functional medicine, and women’s health, she helps patients uncover the root causes of their symptoms and empowers them to take charge of their long-term health.

    Sources

    1. Lyon, G. (2023). Forever Strong: A New, Science-Based Strategy for Aging Well. https://drgabriellelyon.com/ 
    1. “Role of Dietary Protein and Muscular Fitness on Longevity and Aging.” PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC5772850/ 
    1. “Muscle Mass Index as a Predictor of Longevity in Older-Adults.” PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC4035379/ 
    1. Huberman Lab Podcast with Dr. Gabrielle Lyon. https://www.hubermanlab.com/episode/dr-gabrielle-lyon-how-to-exercise-eat-for-optimal-health-longevity 
    2. Levels Health Podcast with Dr. Gabrielle Lyon and Dr. Casey Means. https://www.levelshealth.com/podcasts/234-why-your-workout-isnt-working-for-you-and-what-to-do-instead-for-improved-metabolic-health-and-body-composition-dr-gabrielle-lyon-dr-casey-means 
    3. Muscle increases resting metabolic rate, aiding fat loss (Frontiers in Endocrinology, 2021) 
    4. Muscle improves insulin sensitivity, reducing diabetes risk (Frontiers in Endocrinology, 2021) 
    5. Higher muscle mass linked to lower mortality (Frontiers in Physiology) 
    6. Muscle reduces fall risk and enhances mobility (PMC: Muscle Mass Index, 2014) 
    7. Strength training boosts confidence and energy (Journal of Strength and Conditioning Research, 2020) 

    Contents

      The Foundational Five

      At Clay, we believe lasting health is built on a strong foundation. That’s why I focus on helping every Clay Member develop consistent routines around what we call The Foundational Five: Protein, Daily Steps & Movement, Hydration, Quality Sleep, and a Metabolic Reset. These key habits drive your energy, improve resilience, and enhance performance—no matter your current health status or long-term goals. Each one is simple, powerful, and fully within your control.


      Increase Your Daily Steps: 
A Practical Guide

      Why Steps Matter

      Movement is the cornerstone for health, longevity, and recovery. Walking daily boosts blood sugar control, aids digestion, and supports active recovery all supporting metabolic health.

      Here’s one sample outline to help you get started on finding ways to get your 8K+ steps a day.


      Morning: 2,000 Steps

      Start your day with a 15-minute walk—ideally before breakfast, in a fasted state. This low-intensity movement helps kickstart circulation, clears the mind, and taps into fat as a fuel source, supporting metabolic flexibility. At Clay, we build this into morning routines because it’s simple, accessible, and powerful. No gear. No gym. Just you, your body, and a commitment to moving forward—literally and metabolically.


      Workday: 2,000 Steps

      Movement doesn’t have to wait for the gym. During the workday, we aim for another 2,000 steps—layered into the rhythm of your routine. Here are some small ways to rack up those mid-day steps:

      • Walk during meetings
      • Take movement breaks each hour
      • Choose stairs over elevators
      • Park a little farther than usual
      • Step outside for meetings & calls
      • Utilize a treadmill desk

      At Clay, we emphasize stacking small wins throughout the day—because yes, even the long route to the bathroom counts. It’s not about intensity here; it’s about consistency, circulation, and keeping your metabolism awake while you work.


      Post-Meal: 2,000 Steps

      After you eat, move. A quick 10-minute walk after meals—especially lunch or dinner—can help stabilize blood sugar, improve insulin sensitivity, and support digestion. At Clay, we lean into this as one of the simplest, most effective habits for metabolic health. You don’t need a workout—just a stroll around the block with a coworker, or some steps while you catch up on a podcast. Small actions, done consistently, change how your body processes fuel. This is one of them.


      Evening: 2,000 Steps

      As the day winds down, walk it out. An evening walk—whether it’s with family, the dog, or just your own thoughts—helps shift your body into recovery mode. It lowers stress hormones, supports digestion, and signals your nervous system that it’s time to slow down. At Clay, we view this as more than a step count—it’s a reset. The light’s softer, your pace is slower, and your mind has room to process the day. This simple habit reinforces your circadian rhythm and sets the stage for better sleep and next-day performance.

      Author

      Written by Andrew Browning, Coaching Director @ Clay Health & Care
      Andrew Browning is a performance coach and educator with nearly two decades of experience in training, teaching, and behavior change. As Clay’s Coaching Director, he combines deep knowledge in exercise physiology, metabolic health, and recovery with a passion for helping people build sustainable habits that fuel performance at every level.

      Reviewed by Dr. Allen Gorman, Medical Director @ Clay Health & Care
      Dr. Allen Gorman is a physician-scientist with a focus on metabolism, aging, and cellular repair. His clinical and research work spans two decades, with a passion for translating complex science into actionable health strategies.

      Contents

        The Foundational Five

        At Clay, we believe long-term health begins with mastering the basics. That’s why I work closely with each Clay Member to build habits around what we call The Foundational Five: Protein, Steps & Movement, Hydration, Sleep, and Metabolic Reset. These are the core behaviors that support energy, resilience, and performance—no matter your starting point or health goals. Each one is simple, powerful, and fully within your control.


        Protein Portion Guide

        Why Protein Matters

        Protein is essential because it provides amino acids that stimulate muscle protein synthesis, driving muscle repair and growth, which are critical for maintaining strength, metabolic health, and resilience against aging and physical stress.


        Lean Meats (per 100g cooked)

        CHICKEN BREAST: 31g
        TURKEY BREAST: 29g
        LEAN BEEF (93% lean): 27g
        PORK TENDERLOIN: 29g
        SALMON: 25g

        Vegan Whole Foods

        LENTILS (1 cup cooked): 18g protein
        TOFU (150g): 15g protein
        TEMPEH (100g): 20g protein
        EDAMAME (1 cup shelled): 17g protein
        BLACK BEANS (1 cup cooked): 15g protein

        Protein Powder

        WHEY PROTEIN (1 scoop, 30g): 25g protein
        PLANT-BASED PROTEIN (1 scoop, 30g): 22g protein

        Author

        Written by Andrew Browning, Coaching Director @ Clay Health & Care
        Andrew Browning is a performance coach and educator with nearly two decades of experience in training, teaching, and behavior change. As Clay’s Coaching Director, he combines deep knowledge in exercise physiology, metabolic health, and recovery with a passion for helping people build sustainable habits that fuel performance at every level.

        Reviewed by Dr. Allen Gorman, Medical Director @ Clay Health & Care
        Dr. Allen Gorman is a physician-scientist with a focus on metabolism, aging, and cellular repair. His clinical and research work spans two decades, with a passion for translating complex science into actionable health strategies.

        Contents

          If you’ve ever wondered when to eat protein, the quantity you need, or why staying strong feels harder with age — this episode will answer many questions. Dr. Gabrielle Lyon sits down with Dr. Donald Layman, a legendary researcher in nutrition and metabolism, to unpack the truth about protein, aging, and performance. With decades of research and over 100 peer-reviewed papers, Dr. Layman gets right to the point and gives you the tools to protect muscle, boost metabolism, and stay strong for life.

          What You’ll Learn in This Episode:

          • Does protein timing and distribution really matter, or is total intake king?
          • What happens inside your body when you fast — and when it might backfire?
          • Why not all protein is created equal (hint: quality matters just as much as quantity).
          • How to use strength training and exercise to slow or even reverse age-related muscle loss.
          • Simple strategies to upgrade your nutrition for long-term health and vitality.

          Why This Matters: 

          In our clinics, this is a fairly common complaint: people in their 40s, 50s, and beyond who are working out and eating “clean” — but frustratingly losing muscle and gaining fat. The missing piece often comes down to protein: when you eat it, how much you get, and whether you’re pairing it with the right kind of training. This conversation gives you a practical, science-backed playbook to maintain strength, resilience, and metabolic health as you age — and that’s a game changer for quality of life.

          Author

          Contents

            If you’re a woman who’s ever wondered why following the same fitness plan as your partner or friends leaves you drained instead of strong, you’re not imagining it — and Dr. Stacy Sims (a favorite of the Clay Care Team!) is here to explain why. In this great episode, Dr. Sims, a world-renowned exercise physiologist and nutrition scientist, breaks down the science behind women’s exercise and nutrition needs, and more importantly, how to train and fuel your body in a way that actually works with your hormones, not against them. From why intermittent fasting can backfire to why overdoing cardio may stall your fat loss, Dr. Sims cuts through the noise and gives you the know how and tools to feel energized, build lean muscle, and support your health at every age.


            Why This Matters: 

            We see this all the time in the Clay clinic — women coming in frustrated because they’re “doing everything right” and still hitting a wall with weight loss, energy, or recovery. And when we dig into their biomarkers and lifestyle, it’s clear: they’ve been following advice that was never designed for them in the first place. Men and women are biologically different, and that includes how we should approach nutrition, exercise, and recovery. Whether you’re navigating perimenopause, chasing performance goals, or just trying to feel like yourself again, the message is the same: stop starving your body, stop punishing it with endless cardio, and start working with your physiology. This conversation is a game changer for any woman ready to reclaim her health and vitality — and we’re here to help guide you to peak performance and longevity.

            Author

            Contents

              In this bite-sized clip from a great episode of The Peter Attia Drive, physician and longevity expert Dr. Attia breaks down the primary differences between subcutaneous fat (the fat under your skin) and visceral fat (the fat packed around your organs). Attia explains why visceral fat poses far greater risks to your metabolic and cardiovascular health — and what you can do to monitor and manage it. This is 101 knowledge for anyone looking to understand the science behind body composition and making informed decisions about your fuel and fitness behavior.

              Check out the full episode if you’re looking for more.


              Why This Matters: 

              True health optimization starts below the surface — and knowing the difference between types of body fat is a basic tenant of knowledge for all of us to comprehend. While subcutaneous fat is often what we see in the mirror, visceral fat is the hidden threat linked to heart disease, diabetes, and inflammation. For those focused on longevity and peak performance, tracking and addressing visceral fat isn’t just about looks; it’s about preserving your healthspan and staying strong, resilient, and metabolically fit for years to come.

              Author

              Joe DeFranco: “Limber 11” Flexibility Routine

              Contents

                Joe DeFranco, legendary strength and conditioning coach, delivers a no-bs, high-impact solution for flexibility and mobility with his “Limber 11” routine. Designed to improve performance and decrease low back pain, this sequence includes foam rolling, dynamic stretches, and movement drills that are both practical and highly effective. Whether you’re an elite athlete, suffering from lower back problems, or just aiming to move better and feel better, DeFranco’s approach is a masterclass in simple, powerful training.


                Why This Matters: 

                We know that longevity and high performance don’t just come from strength — they come from moving well, recovering smartly, and maintaining a resilient body. Mobility work like the “Limber 11” isn’t just about flexibility; it’s a foundation for injury prevention, optimal training outcomes, and quality of life over decades. Joe DeFranco’s routine is a perfect example of how intentional, consistent movement can help you build a body that stays strong, durable, and capable at any age.

                Author

                Contents

                  In this quick but vital reel, Dr. Mary Claire Haver — a leading expert on women’s health — explains why menopause isn’t just about aging. She highlights how this major hormonal shift impacts the risk of developing a wide range of diseases and conditions, serving as a wake-up call for proactive healthcare.

                  Dr. Haver’s website, The Pause Life, is essential.


                  Why This Matters: 

                  At Clay, we believe that proactive, personalized care at every life stage is essential to optimizing health, longevity, and performance. Menopause is a critical transition that often goes overlooked in traditional medicine — but it shouldn’t. Dr. Haver’s message is a reminder that tuning into these changes early empowers you to take control of your health trajectory with clarity and confidence.

                  Author

                  Contents

                    The Five Elements of Health: Why Body Is the Machine

                    At Clay Health & Care, we don’t define health by one number or a single habit. True health is a dynamic system built on five essential elements: Blood, Heart, Brain, Body, and Fuel. These foundational components help us assess, understand, and optimize well-being at every level.

                    In this article, we’re going deep into Body—not in the aesthetic, “get shredded” sense, but as the machine that drives vitality, resilience, and long-term health. In my role as Coaching Director, I see first-hand how a well-functioning body—one that’s strong, mobile, and pain-free—can elevate every aspect of someone’s life. Conversely, when movement breaks down, so does progress in nearly every other health domain.

                    I’ve had clients in their 40s and 50s come to me believing their best physical years were behind them—dealing with low energy, nagging joint pain, or feeling disconnected from their strength. After a few short months of targeted strength work, mobility routines, and coaching adjustments, their posture improved, energy returned, and daily aches disappeared. One client said it best: “I didn’t realize how much I was avoiding until I could move pain-free again.”


                    Why Body Matters: The Foundation for a Capable Life 

                    Movement is the currency of health. It’s how we interact with our world, regulate metabolism, manage stress, and build emotional resilience. You can have perfect lab results and a flawless diet—but if you can’t move well, your health is still compromised.

                    One of the most empowering truths in health is this: there isn’t a single disease or condition that doesn’t benefit from having a capable, strong, and mobile body. Andrew Huberman and Peter Attia both speak regularly on how physical strength and cardiorespiratory fitness are directly correlated with improved healthspan.

                    Whether it’s walking with grandkids, dominating a ski trip, or simply making it through your day without pain—your body is the access point to every meaningful experience.

                    It’s Cliche but Movement Is Medicine

                    At Clay, we think of fitness as medicine. It’s not something to bolt on when you’re trying to lose weight—it’s the baseline. When we assess clients, we look beyond conventional metrics like BMI and step counts. We want to know: Can you squat with control? Are your joints moving through a healthy range? Can you generate strength relative to your bodyweight? This tells us far more than any calorie burn stat ever could.

                    When we assess clients, we go beyond outdated metrics like BMI and calorie counts. We ask:

                    • Can you squat with control?
                    • Are your joints moving through a full, healthy range?
                    • Can you produce strength relative to your body weight?

                    Using advanced tools like VALD Performance, we evaluate joint health, mobility, and muscular imbalances. This lets us uncover the often-hidden contributors to chronic pain, poor performance, or stalled progress—and fix them with targeted interventions.

                    Minimum Effective Dose: Why Your Workout Plan Matters

                    There’s a myth that more is always better. At Clay, we guide clients toward the Minimum Effective Dose (MED)—the least amount of exercise required to spark positive adaptation without causing burnout or injury.

                    If you’re not able to move consistently because of pain, poor technique, or lack of foundational strength, you’ll struggle to meet your health goals—no matter how good your intentions are.

                    We structure movement progression around three priorities:

                    • Mobility first – because you can’t strengthen what doesn’t move.
                    • Strength second – because muscle protects, not just performs.
                    • Volume and intensity last – because quality beats quantity, every time

                    We often use tools like VALD Performance to benchmark client movement and strength against normative data. Seeing where you land relative to your age and gender cohort can be a powerful motivator—and a wake-up call.

                    Tools once reserved for elite athletes—like Oval and VALD—are now in your corner. Clay brings top-tier tech to everyday health.

                    Strength, Mobility & Inflammation: The Daily Battle

                    One of the most overlooked aspects of poor mobility or low strength is its impact on inflammation. Chronic low-level inflammation drives most modern disease. While nutrition plays a big role, so does movement.

                    A strong, mobile body improves circulation, clears cellular waste, regulates blood sugar, and helps modulate stress—keeping inflammation in check. This aligns with findings from NIH research on exercise and inflammation.

                    We coach our clients to:

                    • Prioritize high-leucine protein to maintain lean mass
                    • Eat healthy fats for joint and hormone support
                    • Limit excess sugar to reduce inflammatory spikes
                    • Move daily—through strength work, walking, mobility flows, or recovery sessions

                    And just as importantly: move daily. This doesn’t mean crushing yourself in the gym. It means choosing movement that’s sustainable and habitual—strength training, walking, mobility flows, recovery sessions. Andy Galpin calls this “base-building,” and it’s the foundation of long-term fitness.

                    Body & Menopause: Proactive Strategies for Women

                    For our women clients approaching or in menopause, we take a proactive stance. Declining estrogen has a significant effect on bone density, joint health, and muscle retention.

                    Our programs often include:

                    • Resistance training
                    • Impact loading (to maintain bone density)
                    • Targeted recovery techniques

                    We also use tools like grip strength, balance assessments, and functional range testing to evaluate how a woman’s body is aging and where intervention might be most powerful. These measures are supported by Harvard research showing strength training’s impact on longevity and independence.

                    Body for Men: Strength, Energy & Injury Resistance

                    For men, especially those entering middle age, Body is about reclaiming strength and energy—but also protecting against decline. Testosterone tends to drop, and with it comes reduced muscle mass, lower motivation, and higher injury risk.

                    Through assessments like jump testing, isometric strength evaluations, and VO2 analysis, we pinpoint weak links and opportunities. We often coach men on building foundational strength, supporting testosterone production through lifestyle, and moving away from the “grind” mentality toward a smarter, longevity-based fitness strategy.

                    The Clay Approach: Personalized Coaching for Longevity

                    At Clay, your movement data isn’t buried in a chart—it’s central to your coaching plan.

                    Whether you’re new to strength training or returning from injury, we help you:

                    • Understand where your body is today
                    • Set realistic, measurable movement goals
                    • Implement nutrition, supplements, and sleep adjustments to support your training

                    This isn’t about chasing six-pack abs—it’s about building a body that supports a long, rich, capable life.

                    Author

                    Written by Andrew Browning, Coaching Director @ Clay Health & Care
                    Andrew Browning is a performance coach and educator with nearly two decades of experience in training, teaching, and behavior change. As Clay’s Coaching Director, he combines deep knowledge in exercise physiology, metabolic health, and recovery with a passion for helping people build sustainable habits that fuel performance at every level.

                     

                    Reviewed by Maggie Riemenschneider, PA-C, MSPAP @ Clay Health & Care
                    Maggie Riemenschneider is a nurse practitioner with a holistic and personalized approach to care. Drawing on her background in primary care, functional medicine, and women’s health, she helps patients uncover the root causes of their symptoms and empowers them to take charge of their long-term health.

                    Sources