Muscle Loss in Women: Why It Happens and How to Get Stronger

Conversation Takeaways

• Why muscle matters for your metabolism, bone health, energy, and independence, regardless of your age.

• How muscle and bone health change throughout a woman's life and why menopause is only part of the story.

• Why walking is wonderful, but may not be enough to maintain strength.

• What the research says about protein, creatine, and supplements for muscle and bone health.

• Simple ways to start getting stronger without joining a gym or adding another overwhelming routine.

When Did Everything Start Feeling So Heavy?

Have you ever picked up something that you used to carry without giving it a second thought and suddenly wondered why it felt so heavy?

Maybe it's that enormous bag of dog food you used to toss into the shopping cart, the suitcase you're trying to lift into the overhead compartment, or the laundry basket that somehow seems to have gained twenty pounds since the last time you carried it upstairs.

Or perhaps you've noticed something a little more subtle. Getting up from the floor isn't quite as effortless as it once was, your legs seem to tire more quickly when you're climbing stairs, or you've started asking someone else to carry things that you would have handled yourself ten years ago.

And somewhere in the middle of all this, you find yourself wondering, "When did I get so weak?"

We spend an extraordinary amount of time talking about what happens to women's bodies as we age, particularly when it comes to hormones, weight, and menopause. Yet one of the most important conversations we should be having often gets overlooked, and that is what is happening to our muscles.

And I don't want my younger ladies tuning out because they think this is another conversation about menopause. What we're talking about today is just as important when you're twenty-five or thirty-five as it is when you're fifty-five or seventy-five.

I'm not talking about whether your arms look toned in a sleeveless dress or whether you can fit into the jeans you wore at thirty-five. I'm talking about the muscles that allow you to get out of a chair, carry your groceries, play with your grandchildren, travel, work in your garden, and continue doing the things that make your life yours.

Because, ladies, we're not trying to turn you into bodybuilders. We're trying to make sure you can still carry your own suitcase when you're seventy-five!

And there's some fascinating biology behind why this matters so much.

Your Muscles Have Been Changing Longer Than You Think

Here's something that surprises many women. Muscle loss doesn't suddenly begin when you reach menopause or celebrate your sixtieth birthday. Age-related changes can begin as early as our thirties, although how quickly they progress depends on our activity level, nutrition, health, and other factors.

The U.S. Office on Women's Health has been bringing greater attention to something called sarcopenia, which involves the loss of muscle strength, mass, and physical function as we age. Research suggests that adults may lose approximately three to five percent of their muscle mass per decade, although the rate varies considerably.

Now, before you start mentally calculating how much muscle you've lost since your thirtieth birthday, remember that these are population estimates, not a prediction of what will happen to you personally.

What I find especially important is that this process isn't entirely outside our control. Our muscles respond to how we use them, how we nourish them, and whether we continue giving them a reason to stay strong.

Estrogen also plays a role in muscle health, and the hormonal changes surrounding menopause can influence muscle composition, recovery, and physical function. But I want to be careful here because menopause has become the explanation for practically everything happening to a woman's body lately.

While declining estrogen may contribute to these changes, it isn't the only factor. Our activity levels often change during midlife, sometimes without us even realizing it. We spend more hours sitting at desks, caring for family members, managing businesses, and handling responsibilities that leave little room for intentional movement.

Add disrupted sleep, inadequate nutrition, certain health conditions, and the normal biological changes of aging, and you begin to understand why your body may not feel quite as capable as it once did.

The encouraging news is that research consistently shows women can improve muscle strength and physical function through resistance exercise, even after menopause.

The International Menopause Society's 2026 recommendations also emphasize resistance exercise as an important part of supporting muscle, bone, and overall health during midlife.

In other words, your body may be changing, but it hasn't stopped responding to what you do for it.

Muscle Is Doing Much More Than Helping You Lift Things

One of the things I wish more women understood is that muscle isn't simply something we need for movement. It's also an important part of our metabolic health.

Think about what happens after you eat a meal containing carbohydrates. Your digestive system breaks those carbohydrates down into glucose, which enters your bloodstream and becomes available for your body to use as energy.

Your muscles are one of the major places where that glucose can be taken up, used, and stored. When muscles contract during activity, they can increase glucose uptake, and regular exercise can improve how effectively the body responds to insulin.

This matters because insulin resistance and changes in glucose regulation become increasingly important health considerations as women move through midlife.

But I want to clear up something you may have heard online. Building muscle doesn't magically transform your metabolism into a calorie-burning furnace. Muscle does require energy to maintain, but the effect on resting calorie expenditure is often exaggerated on social media.

The real benefits are much broader than that. Stronger muscles support movement, metabolic function, physical resilience, and the ability to remain active as you age.

And then there's another important relationship we need to talk about: your bones.

Ladies, Let's Talk About Your Bones Before They're a Problem

Here's something I wish we were teaching girls and younger women much earlier in life. Your bones are living tissue, constantly breaking down old bone and building new bone, and much of the foundation for your future bone health is established before you ever experience your first hot flash.

Most women reach their peak bone mass by their late twenties or around age thirty. Think about that for a moment. The strength of your skeleton at sixty or seventy is influenced, in part, by what happened decades earlier.

This is why I want my younger listeners to pay attention, too. If you're twenty-five, thirty-five, or forty-five, don't wait until someone tells you that you have osteopenia to start thinking about your bones.

And if you're already past menopause, please don't assume you've missed your opportunity to make a difference.

Muscles and bones work together. When muscles pull against bones during appropriately challenging activity, they create mechanical forces that help stimulate bone remodeling.

A 2025 systematic review and meta-analysis involving 690 postmenopausal women found that resistance training improved bone mineral density at important skeletal sites, including the lumbar spine and hip.

Now, that doesn't mean everyone should start lifting heavy weights tomorrow. It means our bones, just like our muscles, need appropriate physical challenges to help maintain their strength.

For younger women, activities such as resistance training, dancing, running, and jumping can help support bone development. For women who are older, especially those with osteoporosis or a history of fractures, exercise should be adapted to their individual needs and safety.

The important message is that building and protecting your bones is a lifelong conversation, not something that suddenly becomes relevant when your periods stop.

But Michele, I Walk Every Day. Isn't That Enough?

First, I want you to know that I love walking. In fact, I walk every single day. Getting outside, enjoying nature, and moving my body is something I genuinely look forward to, and I know how much it contributes to my overall well-being.

But I also know that I need to be doing more when it comes to maintaining my muscle strength.

And do you know what happens? Life gets busy. I finish working, there are family responsibilities, something else needs my attention, and before I know it, another day has gone by without picking up a weight.

So believe me when I tell you that I understand the difference between knowing what we should be doing and actually making room for it.

Walking is wonderful for cardiovascular health, mood, circulation, and overall activity. But walking generally doesn't provide enough resistance to maintain or build strength throughout all the major muscle groups.

Your muscles adapt to the demands you place on them. If you want them to become stronger, you need to give them a reason to adapt.

That's where resistance training comes in.

Now, I know what some of you are picturing because I've heard these concerns from women for years. You're imagining a gym filled with complicated machines, enormous dumbbells, and people who seem to know exactly what they're doing while you're standing there wondering which direction you're supposed to face.

I promise you, strength training doesn't have to look like that.

Resistance simply means asking your muscles to work against some form of force. That might involve dumbbells, resistance bands, your own body weight, or equipment you already have at home.

Current U.S. physical activity guidelines recommend muscle-strengthening activities at least two days per week, alongside regular aerobic movement.

I've decided that instead of waiting for the perfect schedule, I need to attach a little strength training to something I'm already doing. Maybe that means spending ten minutes with dumbbells after my walk three days a week rather than trying to create an entirely separate workout routine.

And that's what I'd encourage you to consider, too. Don't begin by asking where you're going to find another hour in your day. Ask where you could realistically fit ten minutes, and then build from there.

What About Protein, Creatine, and All Those Bone Supplements?

Of course, we can't have a conversation about muscle health without talking about the supplements we're seeing everywhere online, particularly creatine, protein powders, calcium, and vitamin D.

Let's start with protein because your body needs adequate protein to repair and maintain muscle tissue, especially when you're strength training.

For most healthy adults, the basic recommended dietary allowance is 0.8 grams of protein per kilogram of body weight daily. However, many physically active adults and older women may benefit from higher intakes, often around 1.0 to 1.2 grams per kilogram or more depending on their activity and individual needs.

Rather than immediately buying a protein supplement, I'd encourage you to look at what you're actually eating. Eggs, Greek yogurt, fish, poultry, tofu, and other protein-rich foods are excellent starting points. A protein powder can be convenient if you're struggling to meet your needs, but it's not automatically better than food.

Now, creatine is getting a tremendous amount of attention in women's health circles, and for good reason.

Creatine helps your muscles regenerate energy during short bursts of demanding activity, and research suggests it may provide additional benefits for strength and exercise performance when combined with resistance training.

Recent research in postmenopausal women has explored creatine's effects on muscle strength, lean mass, and bone health. While some findings are encouraging, the evidence is still developing, particularly when it comes to whether creatine meaningfully improves bone density in women.

For healthy adults who choose to use it, creatine monohydrate is the most studied form, with three to five grams daily commonly used. If you have kidney disease, are pregnant or breastfeeding, or have other medical considerations, talk with your healthcare provider before starting.

When it comes to bone health, calcium and vitamin D are important, but more isn't automatically better.

Women ages nineteen through fifty generally need 1,000 milligrams of calcium daily, while women over fifty need 1,200 milligrams. Most adults through age seventy need 600 IU of vitamin D daily, increasing to 800 IU after seventy.

These are total daily intake recommendations, not amounts everyone needs to take as supplements.

My advice is to get the basics working together before investing in a cabinet full of supplements. Give your muscles a reason to get stronger, eat enough to support them, and make sure you're meeting your nutritional needs.

That's a much more dependable foundation than chasing whatever product happens to be trending this week.

Okay Michele, What Do I Actually Do?

Now comes my favorite part of our conversation, because understanding the biology is wonderful, but I want you to be able to do something useful with that information.

Instead of deciding that Monday morning you're going to become a completely different person who works out five days a week, I'd like you to begin by noticing where strength already matters in your life.

Maybe you've noticed that getting up from the floor has become more difficult, or perhaps you want to be able to carry your groceries without struggling.

If you're just beginning, try setting aside ten to fifteen minutes two or three days a week. A simple starting routine might include eight to twelve chair squats, eight to twelve wall push-ups, ten standing calf raises, and a few repetitions of a resistance-band row.

Start with one round, use controlled movements, and gradually work toward additional rounds or greater resistance as your strength improves.

You can also make small changes to activities you're already doing. Carry your groceries when it's safe, take the stairs when you're able, or practice getting up from a chair without pushing off with your hands. These activities can reinforce functional strength, although you'll still want dedicated resistance exercise that becomes more challenging over time.

If you're new to exercise or have balance problems, joint pain, osteoporosis, or other medical concerns, getting individualized guidance can help you choose a safe starting point.

And please don't underestimate what consistent, manageable effort can accomplish over time.

Ten minutes of purposeful strengthening that you actually repeat is a far better beginning than an ambitious workout plan that leaves you exhausted, discouraged, and unwilling to try again.

The Real Goal Isn't Looking Younger. It's Living Stronger.

I want to leave you with something to think about.

When we talk about aging well, the conversation often revolves around how we look. We discuss wrinkles, weight, skin changes, and all the things that remind us we're no longer twenty-five.

But what if we started measuring healthy aging by something different?

What if we paid more attention to whether we can climb stairs comfortably, get up from the floor, carry our own luggage, enjoy an afternoon with our grandchildren, or continue traveling and exploring the world?

What if strength became something we valued because of the freedom it gives us rather than how it changes our appearance?

I think that would be a wonderful shift in how we approach women's health.

Your body is going to change as you age. That's biology. But understanding those changes gives you an opportunity to respond intentionally rather than simply accepting every new limitation as inevitable.

You don't have to become a gym enthusiast, buy expensive equipment, or add another complicated routine to an already busy life.

You simply need to begin recognizing that your muscles deserve some attention, just like your hormones, heart, bones, and brain.

So whether you're thirty-five, fifty-five, or seventy-five, I'd love for you to ask yourself one question: What am I doing today to help my body stay strong for the life I want to live tomorrow?

Because the goal isn't to have the strongest body in the room.

It's to have a body that continues supporting the life you want to live.

And that, my friend, is a beautiful reason to get stronger.

Stop guessing. Start understanding.

Want to Understand More About What Your Body Is Telling You?

If you've been noticing changes in your energy, strength, sleep, mood, or overall well-being and wondering how everything fits together, I'd love to invite you to my free five-day experience, Feel Like Yourself Again.

Over five days, I'll help you begin connecting the dots between your symptoms, hormones, and the everyday demands on your body so you can better understand what's happening and what your body may need.

Join me for Feel Like Yourself Again and begin learning to read the story your body has been telling you.