Why Building Muscle is Non-Negotiable as You Age
- Apr 16
- 8 min read
Written by Amritta Kaur Dhillon, Online Fitness Coach
Reets is a leading voice in women’s fitness, mindset, and hormone health, and the host of the Get Buff with Reets podcast. As founder of Get Buff With Reets and creator of the Buff Rewire System, she helps ambitious women lose fat, build muscle, and reclaim confidence without sacrificing their careers or personal lives.
As you age, building muscle becomes non-negotiable for maintaining long-term health and vitality. While weight loss may seem like the ultimate goal, it’s essential to understand that true strength comes from preserving muscle, which plays a vital role in metabolism, energy levels, and overall resilience. This article explores the importance of muscle for women as they age and why strength training should be prioritized over extreme dieting.
What are you actually losing?
We are seeing more women than ever losing weight, yet almost no one is asking the question that truly matters: What exactly are you losing? Weight loss has been positioned as the ultimate goal, the answer, the solution, the marker of success. However, losing weight is not the same as becoming healthier, stronger, or more confident. In many cases, the number on the scale is decreasing while something far more important is quietly being lost alongside it.
That something is muscle, not simply tissue, nor a superficial concept of “tone,” but the very foundation that keeps your body strong, capable, and resilient as you age. This distinction has never been more important. In a landscape driven by extreme dieting, chronic burnout, and the growing use of weight loss medications, women are losing weight at an accelerated rate, often without any real understanding of what that weight is composed of.
When the process is rushed, under-fueled, and unstructured, the body does not selectively lose fat. It loses muscle as well. And it is here that the true cost begins, not immediately visible on the scale, but deeply impactful in how your body functions, feels, and ages over time.
The aging process no one talks about
As women move through their 30s, 40s, and beyond, the body naturally begins to lose muscle mass. This process is gradual and often goes unnoticed at first, but over time it becomes more apparent. Strength begins to decline, energy levels drop, metabolism slows, and body composition starts to shift, even if overall weight remains similar.
I say this not from a distant perspective, but as someone approaching this transition myself. In your twenties, it is easy to believe there is always more time, that you can afford to prioritize being smaller, lighter, or simply thinner without consequence. What is rarely considered is the long-term cost of that approach. Because the pursuit of being “skinny” often comes at the expense of strength, resilience, and the very muscle that protects your body as you age.
This is often the point where women feel frustrated, repeating the same routines that once worked, only to find that their body is no longer responding in the same way. The issue is not a lack of effort, but a lack of adaptation. The body has changed, but the strategy has not.
Muscle is more than aesthetic
For years, muscle has been framed as something purely aesthetic, something optional or secondary to fat loss. In reality, skeletal muscle is a metabolically active tissue and a key regulator of long-term health. It is the body’s primary site for glucose disposal, meaning it plays a central role in insulin sensitivity and blood sugar control. The more muscle you have, the more efficiently your body can manage carbohydrates and maintain stable energy levels. In real terms, this is the difference between stable energy throughout your day and the constant cycle of crashes, cravings, and fatigue that so many women experience.
Muscle also functions as an endocrine organ, releasing signaling molecules known as myokines that influence inflammation, metabolism, and overall systemic health. It contributes to resting metabolic rate, supports mitochondrial function, and places essential mechanical load on bones, which is critical for maintaining bone density and reducing the risk of osteoporosis over time.
Without this stimulus, bones weaken. What seems irrelevant in your twenties can become a fracture in your sixties, a fall that leads to a broken hip, or a loss of independence that could have been prevented.
Beyond these physiological functions, muscle directly impacts how you feel on a daily basis. It influences your energy, your recovery capacity, and your ability to tolerate physical and psychological stress. When muscle mass declines, it is not simply your physique that changes, but your overall resilience and your capacity to meet the demands of your life. This shows up as feeling constantly drained, struggling to keep up with your own routine, and slowly losing the physical confidence you once had without fully understanding why.
The hidden cost of rapid weight loss
One of the biggest issues arises with rapid weight loss. Many methods prioritize speed over sustainability, encouraging women to eat less and do more without considering the long-term impact. While this approach may lead to quick results, the body does not selectively lose fat. It also loses water and muscle.
This is why many women reach their goal weight but still feel dissatisfied. They may feel weaker, look less defined, and struggle to maintain their results. In real terms, this often shows up as a physique that appears flatter, softer, and at times almost lifeless, despite being lighter. Skin can look dull, posture weakens, and the overall appearance lacks the strength and vitality many women were actually seeking.
Alongside this, energy levels drop. Workouts feel harder, recovery slows, and daily life begins to feel more draining than it should. The result is not just a physical shift, but a noticeable loss of presence and confidence. The foundation was never properly built, or it was lost during the process.
The role of weight loss medications
The rise of weight loss medications has added another layer to this conversation. While these tools can be effective in reducing appetite, they do not distinguish between fat and muscle. Without the right structure in place, it becomes easy for overall food intake to drop too low, protein intake to be insufficient, and resistance training to be overlooked.
What most women are not told is this: In a weight loss phase, the body does not prioritize preserving muscle. It prioritizes survival. Muscle is metabolically expensive tissue, which means it is often broken down early when the body senses an energy deficit, especially when protein intake and resistance training are not sufficient.
This creates the perfect environment for muscle loss, which ultimately works against long-term health and physique goals. In real terms, this means you may be losing the very thing that gives your body shape, strength, and vitality first, while believing you are simply losing fat. This is not about dismissing these tools, but about understanding how to use them responsibly, with a clear focus on preserving muscle. You only have to look at some of your favorite celebrities who have lost significant weight, the loss of glute shape, the softer, sagging look to the skin, the absence of structure. The weight is gone, but so is the strength and vitality that once gave their body presence.
Why this matters more as you get older
As life becomes fuller, with increased responsibilities, careers, and family demands, the body requires a different approach. The methods that may have worked in your 20s are often no longer effective. In many cases, they were never truly sustainable to begin with. Extreme restriction, excessive cardio, and pushing through exhaustion may have delivered short-term results, but they often came at a cost that was not visible at the time.
What is rarely acknowledged is that these approaches can be actively damaging when carried forward. They erode muscle, disrupt energy, and create patterns that become harder to break with age. You were not taught that then, but you feel it now.
What is needed instead is a strategy that supports energy, strength, and sustainability. Losing muscle as you age accelerates many of the challenges women are trying to avoid. It contributes to a slower metabolism, increased body fat over time, lower confidence, and reduced physical independence later in life.
What to focus on instead
The focus therefore needs to shift. Rather than chasing the lowest number on the scale, the goal should be to build a body that supports your life in a meaningful and lasting way. This requires a deliberate move away from short-term thinking and towards long-term investment in your health.
It means prioritizing strength training not as an optional extra, but as a non-negotiable foundation. It means maintaining adequate protein intake so your body has the resources it needs to preserve and build muscle. It means creating structured routines that actually fit within your lifestyle, rather than constantly trying to force your life around an unrealistic plan.
In real terms, this looks like having the energy to get through your day without relying on stimulants, feeling physically capable in your own body, and maintaining a physique that reflects strength rather than depletion. It is the difference between constantly starting over and finally building something that holds.
It is not about extremes or restriction, but about building something that lasts. Something that carries you through different seasons of life, supports your body as it changes, and allows you to move forward without repeatedly undoing your own progress.
The bigger picture
For years, the fitness industry has conditioned women to shrink. To eat less, do more, and take up less space, physically and mentally. It has rewarded depletion and disguised it as discipline. What it has failed to teach is how to build.
And building is where everything changes. Building muscle is not simply a physical act. It is a shift in identity. It changes how you carry yourself, how you move through your day, and how you experience your own body. It creates structure where there was once softness, energy where there was once fatigue, and confidence that is rooted in capability rather than appearance.
This is the difference between a body that looks smaller and a body that feels powerful.
This is the work that actually matters
This is the work that actually matters, and it is the work most women have never been guided through properly.
This is exactly what I focus on with the women I coach. Not simply helping them lose weight, but guiding them to rebuild their body in a way that supports their energy, their lifestyle, and their long-term health. A body that does not just look better, but functions better, recovers better, and holds up under the pressure of real life.
Because the real transformation is not found in how much you can lose. It is found in what you are willing to build, and what you are finally strong enough to keep.
Read more from Amritta Kaur Dhillon
Amritta Kaur Dhillon, Online Fitness Coach
Reets is a women’s fitness and mindset coach who began her journey trying to lose weight and feel confident again. After years of chasing every fad diet and extreme approach, she discovered that most fitness advice was male-led and didn’t account for hormones, mindset, or the realities of a busy life and the weight of holding it all together. That realisation led her to create the Buff Rewire System, a method that helps ambitious women get strong, lean, and confident without burning out.
Blending strength training, hormone-informed coaching, and sustainable habit design, Reets now helps women around the world ditch all-or-nothing thinking and finally achieve results that last.
