For decades, we’ve been told that success in weight management comes down to one number. Step on the scale. If the number goes down, celebrate. If it goes up, something must be wrong. We believe it’s time to change that conversation. Because you can lose 20 pounds and become less metabolically healthy in the process. You can also gain several pounds while dramatically improving your body composition, strength, insulin sensitivity, physical performance and long-term health.
The scale doesn’t know the difference. That’s why our goal isn’t simply weight loss. Our goal is fat loss, particularly excess visceral fat, while preserving and ideally building metabolically active muscle. That distinction becomes even more important in the era of GLP-1 medications and rapid weight loss.
Your Body Is More Than a Number
Imagine two people who both weigh 180 pounds. One has substantial skeletal muscle, relatively low visceral fat, excellent cardiovascular fitness, good insulin sensitivity and a healthy waist circumference. The other has low muscle mass, significant visceral fat, poor metabolic health and very little physical capacity.
According to the bathroom scale, they’re identical. Physiologically, they may be completely different. That’s the fundamental problem with focusing exclusively on body weight. The scale measures total mass. It doesn’t tell you whether a change came from fat, muscle, water, glycogen or other lean tissue.
If you lose 15 pounds but a significant portion comes from muscle, should we automatically call that a success?
We don’t. We consider that a failure of the strategy.
Weight Loss and Fat Loss Are Not the Same Thing
This may be one of the most important distinctions in modern metabolic medicine. Weight loss tells us how much lighter you became. Body composition tells us what you actually lost. We want excess fat, especially visceral fat, to decrease while muscle is maintained or increased whenever possible.
Visceral fat is particularly important because it is stored around the abdominal organs. Excess visceral adiposity is associated with insulin resistance, type 2 diabetes, cardiovascular disease, fatty liver disease and other metabolic problems.
So instead of asking only, “How much weight did you lose?” we prefer better questions:
Is your waist getting smaller? Is visceral fat decreasing? Is body-fat percentage improving? Are you maintaining lean mass? Are you getting stronger? Is your glucose regulation improving? Are your triglycerides, blood pressure and other metabolic markers moving in the right direction?
And perhaps most importantly, can your body do more than it could six months ago? Those questions tell us far more about health than the bathroom scale ever will.
Muscle Is a Longevity Organ
We want people to stop thinking about muscle as something reserved for bodybuilders and athletes. Muscle is one of your most important assets for healthy aging. Skeletal muscle plays an enormous role in glucose disposal, metabolic health, physical function, balance, bone loading, mobility and resilience. And as we age, preserving muscle becomes increasingly important.
Age-related losses of muscle mass and strength can contribute to frailty, falls, loss of independence and poorer health outcomes. That’s why our philosophy is simple: Don’t just lose weight. Build a body you want to grow older in.
We want people entering their 50s, 60s, 70s and beyond with as much functional muscle, strength, mobility and cardiovascular capacity as reasonably possible. That means the goal isn’t becoming smaller. The goal is becoming healthier and more capable. This is something we routinely see in our community. As people improve body composition and build metabolically active muscle, the entire conversation around weight begins to change.
The GLP-1 Revolution Changes the Conversation
GLP-1-based medications have transformed obesity treatment. For appropriate patients, medications such as semaglutide and tirzepatide can produce substantial reductions in appetite, caloric intake and body weight. For many people living with obesity or metabolic disease, these medications can be powerful medical tools.
But there’s an important issue that doesn’t receive enough attention: Rapid weight loss doesn’t guarantee optimal body composition. When caloric intake drops significantly, people may unintentionally reduce their protein intake. They may feel less interested in food, eat smaller meals and simply fail to consume enough total nutrition to support lean tissue.
When significant caloric restriction is combined with inadequate protein and insufficient resistance training, some of the weight being lost can be lean mass. Other concerns during significant or rapid weight loss can include inadequate nutrition and changes affecting hair, bone and overall physical resilience.
This isn’t an argument against GLP-1 medications. It’s an argument for using them intelligently. The medication can help control appetite. It cannot lift the weights for you. It cannot eat adequate protein for you. It cannot prioritize recovery for you. And it cannot decide which tissue you want to preserve.
If You’re Using a GLP-1, Protect the Muscle
When we work with someone pursuing significant fat loss, whether through lifestyle alone or with medical therapy, we want muscle preservation built into the strategy from day one.
Prioritize resistance training. For most healthy adults, resistance exercise should be incorporated regularly, with enough challenge to stimulate the major muscle groups. The exact program should depend on age, training history, orthopedic limitations, recovery capacity and individual goals.
But the message is universal: Give your body a reason to keep its muscle.
Make protein a priority. Protein needs should be individualized, particularly for people with certain medical conditions. During significant caloric restriction, however, protein cannot become an afterthought. Recover. Training is the stimulus. Recovery is where adaptation happens. That means adequate sleep, sensible training volume, hydration, micronutrient sufficiency and enough total nutrition to support the body you’re asking to build. More exercise isn’t always better. Better adaptation is better.
Stop Measuring Only Weight
We’d rather see someone track a handful of meaningful metrics than obsess over daily scale fluctuations. Body weight can still be useful. We aren’t literally asking everyone to throw away their scale. We’re asking you to demote it.
Depending on the individual, we may pay attention to waist circumference, body-fat percentage, visceral-fat estimates, lean mass, grip strength, resistance-training performance, resting heart rate, blood pressure and metabolic markers. More sophisticated tools such as DEXA or validated body-composition assessments can add information when appropriate. Then the scale becomes one piece of data rather than the judge and jury of your health.
What About Body-Fat Percentage?
People naturally want a target. For many fit adults, we may use approximate aspirational ranges around 18–24% body fat for women and 10–15% for men as performance-oriented goals. But these are not universal medical targets. Age, genetics, hormonal status, athletic goals, menstrual function, medical history and where an individual begins all matter. A healthy, sustainable body composition for one person may be inappropriate for another. Women in particular should not assume that lower is always better. Essential fat and adequate energy availability matter for reproductive, endocrine and skeletal health. Our message isn’t: “Get as lean as possible.”
Our message is: “Become as metabolically healthy, strong and functionally capable as possible.” Those are very different goals.
The Hidden Cost of Rapid Weight Loss
We understand why people love rapid results. Watching the scale fall can be incredibly motivating. But we want people to think beyond the next 12 weeks. Imagine losing 40 pounds but emerging from the process weaker, under-muscled and without having developed sustainable habits.
Now imagine losing 30 pounds while substantially reducing your waist circumference, maintaining your muscle, getting stronger, improving cardiovascular fitness, improving metabolic markers and learning how to eat and train in a way you can maintain.
Which person had the more successful transformation? For us, the answer isn’t determined by who lost more pounds. It’s determined by what happened to their health.
The Scale Can Go Up While Your Health Improves
This is especially important for people beginning resistance training. Suppose you lose eight pounds of fat and gain five pounds of lean tissue. The scale shows only a three-pound loss. Someone focused exclusively on weight might become discouraged. We see something completely different.
That’s progress. Your waist may be smaller. Your clothes may fit better. Your strength may have increased. Your glucose control may improve. Your physical capacity may be better supported. The scale missed almost the entire story.
Stop Trying to Become Smaller
This is where we’d like to change the cultural conversation. We don’t want women spending their entire lives trying to occupy less space. We don’t want men reaching their 60s with less and less muscle because they were obsessed with staying at the same body weight they had at 25.
And we don’t want someone using a powerful weight-loss medication without thinking about the body they want to have when the weight is gone. Your goal shouldn’t simply be less of you.
Your goal should be less excess visceral fat, better metabolic health, more functional muscle, greater strength, better cardiovascular capacity and a body capable of carrying you through the decades ahead.
Change the Scorecard
So, here’s our challenge. The next time you step on the scale, don’t allow that number to determine whether yesterday was a success or failure. Ask better questions. Am I getting stronger? Is my waist shrinking? Am I maintaining or gaining muscle? Is my metabolic health improving? Am I sleeping and recovering well? Can I move better? Do I have more energy? Am I becoming more physically capable?
Because your body doesn’t know that you want to weigh 150 pounds. It knows whether it has enough muscle to move you. It knows whether your cells can effectively handle glucose. It knows whether you’re fit enough to climb the stairs. It knows whether you have the strength to get off the floor.
Eventually, those things matter a lot more than the number staring back at you from the bathroom scale. Don’t chase weight loss. Chase fat loss, muscle, strength, metabolic health and capability. Because in the longevity game, the goal isn’t to become lighter. The goal is to become harder to break.
About Dr. Mark Sherwood, ND
Dr. Mark Sherwood, ND, is a traditional naturopathic doctor and clinician, and Dr. Michele Sherwood, DO, is a physician. Together, they are educators, authors, speakers and co-founders of the Functional Medical Institute in Tulsa, Oklahoma. Their work focuses on personalized, whole-person health with an emphasis on prevention, metabolic health, healthy aging, performance and longevity.
The Sherwoods are also the authors of Authentic Longevity: Unlocking Lifelong Vitality, The Sherwood Way, which combines decades of clinical experience, real patient stories and actionable science to explore nutrition, movement, sleep, stress and hydration alongside genetics, peptides, supplements, hormones, laboratory testing and the role of emotional and spiritual health in healthy aging. They also host The Authentic Longevity Podcast, where they explore health, wellness and longevity with a practical focus on helping people live healthier, stronger and more purposeful lives.
Subscribe to The Authentic Longevity Podcast here for new conversations each week on health, wellness and longevity. To learn more, visit www.DrMarkSherwood.com or www.FunctionalDr.com
