Health · September 14, 2026 · 10 min read

Over 40? The Muscle You Build Today May Determine How You Age Tomorrow

Muscle loss with age isn't just about appearance. Learn why sarcopenia matters, how resistance training and protein work together, and why creatine may have a role in your longevity plan.

Muscle loss as we age isn't just about appearance. It's about strength, metabolism, mobility, independence — and ultimately how well we live as we get older.

At Rise Wellness & Longevity, when we talk about longevity, we're not simply talking about adding more birthdays. We're talking about healthspan — staying strong, active, independent and capable enough to actually enjoy those additional years.

And there's one part of longevity that I think deserves way more attention: muscle.

Most of us know we should exercise and eat enough protein as we get older. But maintaining muscle after 40, 50 and beyond deserves a much more intentional strategy.

What is sarcopenia?

Sarcopenia is the age-related decline in muscle mass and strength. And this isn't simply a cosmetic problem. Loss of muscle and strength can eventually affect mobility, physical function and independence.

That's why current international clinical guidelines strongly recommend resistance-based exercise for people with sarcopenia. Resistance training has been shown to improve muscle strength, skeletal muscle mass and physical function. In other words: strength training becomes more important as we age — not less.

Muscle is your body's retirement account

This is probably my favorite way to explain it.

Think about muscle like a retirement account for your body. You don't want to wait until you're 70 and desperately need strength to start trying to build it. You want to make deposits now.

Every workout. Every adequate-protein meal. Every good night's sleep. Every healthy decision that allows you to train consistently. You're investing in the body you're going to be living in 10, 20 and 30 years from now.

And that changes how I look at going to the gym.

Resistance training should be part of your longevity plan

Walking is fantastic. Cardiovascular exercise is important. Staying physically active matters tremendously. But if your goal is preserving muscle, your muscles need resistance.

That can include weights, machines, resistance bands or appropriately programmed body-weight exercises. The goal isn't necessarily to become a bodybuilder. It's to continually remind your body: "I still need this muscle."

Current international sarcopenia guidelines give resistance-based physical activity a strong recommendation and identify it as a first-line strategy for improving strength, lean mass and physical function.

Protein matters — but protein alone isn't the answer

Protein supplies the amino acids your body needs to maintain and repair muscle tissue.

But here's where the conversation gets more interesting. Research and current nutritional guidelines support combining adequate protein intake with exercise rather than relying on nutrition alone. In fact, 2025 nutritional guidelines for sarcopenia and frailty concluded that protein interventions can improve muscle mass and strength, especially when combined with exercise therapy.

That's an important distinction. You don't simply eat your way into maintaining a strong body.

You have to give those nutrients something to support. Train the muscle. Feed the muscle. Recover. Repeat.

And then there's creatine...

Creatine might be one of the most misunderstood supplements in the wellness world. People still associate it with bodybuilders and twenty-somethings trying to get huge. But some of the most interesting research on creatine is actually being conducted in older adults.

A 2026 systematic review and meta-analysis of randomized controlled trials involving adults 60 and older found that adding creatine to resistance training produced a statistically significant improvement in muscle strength compared with resistance training alone, although the additional effect was relatively small.

A separate 2025 meta-analysis found that creatine combined with resistance training improved lean tissue mass and lower-body strength compared with resistance training plus placebo.

That's fascinating. Creatine isn't magic. It doesn't replace lifting. And it doesn't replace good nutrition. But it may be another useful tool in a comprehensive muscle-preservation strategy for appropriate individuals.

If you're trying to lose weight, this becomes even more important

This is something I'm especially passionate about.

I don't want people obsessing over becoming lighter. I want people becoming healthier. Those are not always the same thing.

If you're pursuing significant weight loss, I want to know more than what happened on the bathroom scale. Are you losing fat? Are you maintaining lean mass? Are you maintaining strength? How is your energy? How are you sleeping? How are you performing in the gym? How do your clothes fit? How do you feel?

Because the goal shouldn't simply be "lose as much weight as possible."

A much better goal is: reduce excess body fat while doing everything reasonably possible to preserve the metabolically and physically valuable tissue you want to keep. That's an entirely different mindset.

Stop being afraid of muscle

I especially want women and adults who have never considered themselves "gym people" to hear this. Strength training doesn't mean you need to become huge. Protein isn't just for bodybuilders. Creatine isn't exclusively a sports supplement. And wanting to build muscle isn't vanity.

Muscle helps you remain capable. It helps you get out of a chair, carry groceries, pick something up off the floor, climb stairs, travel, exercise, maintain balance, keep doing the activities you love, and maintain your independence.

That is longevity.

Your longevity strategy should be bigger than a prescription

Medication can absolutely have an appropriate role in healthcare. But I don't believe longevity comes from simply handing someone a prescription and sending them home.

We need to look at the whole person: nutrition, resistance training, body composition, sleep, recovery, hormonal health when clinically appropriate, metabolic health, lifestyle, and consistency.

That's why I'm so passionate about the coaching side of what we're building at Rise Wellness & Longevity. Sometimes people don't need another piece of information. They need someone helping them actually implement what we already know works.

Start building the body you'll need later

You don't need to wait until you're 60. Or 70. Or until you've already lost significant strength. Start now.

Lift something challenging. Prioritize adequate protein. Move your body. Sleep. Recover. Consider evidence-supported supplements such as creatine when appropriate for you. And stop letting the bathroom scale be the only measurement of your progress.

Because the goal isn't simply to live longer. It's to be strong enough, healthy enough and capable enough to enjoy living longer.

That's longevity.

Longer. Better. Rise.

— Jeremy Hicks, Co-Founder/Health Coach, Rise Wellness and Longevity, LLC

Sources

This article is for educational purposes only and does not constitute medical advice. Exercise, nutrition, supplementation and medical treatment should be individualized based on your health history and discussed with an appropriate healthcare professional.

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