Stop Trying to Be Skinny After 40 (It’s Making You Look Worse)

If you're trying to lose weight after 40, you've probably been focused on one thing: the number on the scale.

Smaller is better. Lighter is the goal. And if you're not there yet, you just need to restrict more.

Here's the problem: that strategy isn't just slowing your results. It's working against your body. And after 40, the consequences hit harder and faster than you'd expect.

In this episode, I'm breaking down exactly what extreme calorie restriction does to a woman's body in perimenopause and beyond, and why some women end up looking and feeling worse than when they started, even after losing weight.

I'll also tell you what a real body transformation after 40 actually looks like. 

In this episode:

• Why extreme restriction leads to muscle loss, skinny fat, and faster aging, especially after 40
• The difference between weight loss and body composition
• Three levers that actually change your body: protein, strength training, and the one most women completely overlook
• The metrics that measure real progress, and why the scale isn't one of them

If you're working hard and not seeing the results you want, this episode will tell you exactly why and what to do differently.

🎯 Free Resources Mentioned:

• Fat Loss Formula Workbook — Find your protein target, maintenance calories, and deficit calories
• Take the Free Metabolism Type Quiz
• Permanent Fat Loss Masterclass:
  • E 50
  • E 51
  • E 52
  • E 53

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👋🏻 ABOUT ME:
I'm Andrea, a NASM-certified nutrition and fitness coach and founder of Behind the Body. For years, I tried every diet, avoided weights, and did endless cardio. None of it worked. At 40, I overhauled my approach, started lifting, and built the strong, toned body I'd been chasing for decades. I've maintained it for 10 years. Now I help women over 40 simplify their approach, build real strength, and get results that last. Every week I cover the science, the strategy, and the honest truth about fat loss and maintenance for women over 40.


MEDICAL DISCLAIMER: This podcast is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making changes to your diet, exercise, or health routine. Results vary. Andrea is a NASM-certified nutrition and fitness coach, not a doctor or registered dietitian.

Transcript

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Chasing fitness in your 40s and your 50s is the fastest way to look and feel worse. Real transformation is about body composition, and the women who understand that are the ones who look and feel 10 years younger, not 10 pounds lighter. Welcome to Behind the Body. I'm Andrea, certified nutrition and fitness coach. In my 30s, I lost 20 pounds and I maintained it well through my 40s. Every week here, we talk about what's really happening with perimenopause and weight gain, what to do about it, and the brutal but beautiful truth about this stage of life. Whether you're just starting or tired of starting over, you are in the right place and I'm so happy you're here. Let's dive in. Am I the only one noticing this trend of woman being real thin? I'm talking about like supermodel in the 90s thin. If your goal right now is to be as skinny as possible, I need to talk you out of it. Not because wanting to look good is wrong or vain. You absolutely deserve to look your best, but because what you have to sacrifice to get there will cost you your muscle, your hormones, your bone density, your quality of life, and honestly, your face. You could end up looking and feeling worse than when you started if you go overboard. And I'm not just talking about GLP1 users. I'm talking about all women who feel like the skinnier they are, the better. Today I'm gonna talk about how to transform your body after 40 without starvation or deprivation so that you can achieve your goal of looking and feeling like your best, healthiest, and hottest self. Okay, let's dive into the episode. Here's what we're gonna cover. First, we're gonna talk about what extreme restriction is actually doing to your body and the implications of that. Because I'm a strong believer that knowledge is power and it's important for you to know. Second, I wanna talk about what a real healthy transformation in your 40s and your 50s actually looks like. Spoiler, the scale is the least useful measure of it. And third, I'm gonna give you three levers that change your body composition. These are the ones that work, that I use for myself and my clients, and that are backed by research. And by the end, you'll have a clear picture of exactly how to look and feel your best without having to be the smallest version of yourself and what you may want to stop doing immediately. Let me tell you what biologically, extreme calorie restriction does to a woman's body after 40. Because I feel like nobody is talking about this honestly. And if you're on a mission to be skinny, it's important for you to understand what's happening. There are three specific things. First, you lose a ton of muscle. When you're in a calorie deficit, your body doesn't just burn fat, it breaks down your muscle tissue, especially if your protein intake is too low. The clinical term for this is catabolism, which translation means your body is eating itself. So you add these together, and the consequence is, yeah, you get smaller, but you also get softer and less defined. That shape you were hoping for, it leaves right out the door with your muscle. Second, you get what is known as skinny fat. The technical term for this is sarcopenic obesity, where you can be at a quote unquote thin weight on the scale, but you're carrying a high percentage of body fat and almost no muscle. You fit into a smaller size, but nothing looks the way you expected. Your arms look soft, your midsection has no definition, the skin on your face is sagging, you're exhausted, because you're not fit or healthy. You're just small. And third, and this one happens before most women even realize it's happening, but you age faster. After 40, facial fat becomes a marker of youth. That's why filler is so prevalent in our society, because we aspire to look youthful. Facial fat fills out your face, it lifts your features, and it smooths the hollows that make us look tired and gaunt. When you're in an extreme calorie deficit, that restriction strips it away. Add in the nutrient deficiencies from chronic under-eating, and your hair starts thinning, your skin quality drops, it looks dull, your nails get brittle, and you've ultimately paid a very high price for a number on the scale. And I'm not saying this to scare you, and certainly not to shame or judge anyone. I'm saying it because it's important to know the reality, to hear the other side, before you invest so much of your life and energy into something that's really hard to reverse. So then, what does healthy and effective transformation after 40 actually look like? Real transformation at our age is about body composition, which is the relative proportions of fat mass and free mass, which is mass like tissue, muscle, water, etc. It's not necessarily weight or size, though they do play a role, but it's ultimately what your body is made up of. I want you to visualize something. Two women, same height, same weight, both 145 pounds. One has 35% body fat and minimal muscle. The other one has 22% body fat and strong developed muscles. They weigh exactly the same, but they look completely different. One looks toned and energetic and vital and fit, and the other one looks soft and tired. The body shape that most women actually want, like the toned arms, the slim waist, that core strength, the nice rounded glutes, that comes from muscle, not from the absence of muscle. Muscle is what gives your body its form. It's what makes your clothes fit the way that you want them to. It's what gives you that upright, confident posture. It's what keeps your metabolism running strong so you can actually eat food and maintain your results without having to starve yourself. The goal isn't to be as thin as possible. The goal is to rebuild your body's composition. And that requires a completely different strategy than starvation and deprivation. I'm gonna give you three levers that can absolutely help you build your dream body and feel healthy without having to sacrifice so much of yourself. Think about how these can impact you now and in the future as you age, because we wanna be hot and healthy in the long term, not just today. Let's start with the most important. Lever one is protein. And I don't mean protein as a diet toll, although it works great for that. I mean protein as a means of life preservation and as a building material. Eating enough protein, especially when you're over 40, is absolutely critical to holding on to every bit of muscle you have, which naturally starts declining in our 30s. And aside from looking and feeling healthier and stronger with muscle, it's critical for our health span as we age. We don't think about it as much in our 40s and 50s, but when we get to our 60s and 70s, we don't want to slip and fall to take us out and end life as we know it prematurely, all because we didn't preserve our muscles when we were younger. Arming our bodies with muscle now increases our chances of being able to withstand aging and live today and our later years to the best of our ability. The target protein goal for women our age is 0.7 to 1 grams of protein per pound of body weight every day. So if you weigh 150 pounds, for example, that's 105 to 150 grams of protein. Most women that I know and talk to are getting around 50 to 60 grams of protein a day, and that is just not enough. It's why, even if you're eating quote unquote healthy, your body has nothing to build with because it's not building muscle with carbs and fat. And it's not easy to get a lot of protein. I mean, we have to be really intentional about it day in and day out, and that is just a fact of life. I don't love it, but I do it. And I think it's easier when I approach each meal and snack with what I call the protein anchor concept. So build every single meal around protein first as a priority, whether that's chicken, salmon, eggs, tofu, Greek yogurt, cottage cheese. Protein goes on the plate first and then everything else fills in around it. And I feel this is a very easy way to prioritize protein and ensure you're getting it with each meal to get as close to your target as possible. And when you get adequate protein in your diet, that helps support our second lever. Lever number two is strength training. This is not optional if you want to actually transform your body after 40. Here's why. After 40, your estrogen levels decline. We know this with perimenopause. And estrogen was doing a lot of the quiet work to preserve your muscle mass when you were younger. As it drops, your body needs a new signal now to hold on to that muscle. And strength training is that signal. Without it, your body basically treats muscle as an expensive luxury that it can't afford and it starts offloading it. With strength training, your body has a reason to maintain and build more muscle. Every heavy rep that you do is a direct message to your body. Hold on to as much of it as you can. The minimum effective strength training dose, we'll call it, is two to three sessions per week, ideally focusing on compound exercises, which are exercises that work multiple muscle groups at once, like squats and deadlifts and rows and chest presses. These compound exercises give you the biggest return on your time. But you're not lifting weights just to burn calories. You are there to build a body that you want to live in. You're investing in your posture, in your shape, your independence, your bone density, and your metabolism. Lever number three is the one that most women take for granted, including myself. Not anymore, though. I'm better about it now. That is recovery, specifically sleep. Because after 40, this becomes a hormonal management issue, not just a comfort issue. Here's why it's so critical. Poor sleep spikes cortisol. Elevated cortisol signals your body to break down muscle and store fat, specifically visceral fat, deep down in the belly. And I go into much more detail about visceral fat and the role that it plays in my last episode that I'll link below in the description. Visceral fat also tanks your insulin sensitivity, making your body less efficient at using the food that you eat to fuel you and to build muscle. And if you're not using that food to fuel you and to build muscle, then it turns into fat. You cannot calorie restrict your way around a cortisol problem. You cannot out train it. You have to manage it. Research shows that seven to nine hours is the most effective. And I know you've heard this before, but sleep is not just a self-care nice to have. It's not a luxury. This is hormone management. This is where the transformation either happens or gets blocked. So you need to treat it accordingly. Okay, now this is the hardest part because even if everything I've said makes sense to you intellectually, there's still a number on the scale that has way too much power over how you feel about yourself. So I want you to consider different metrics about your body and your progress that matter way more than the scale. These are the numbers that actually measure transformation and health. Number one are your body measurements. Your waist-to-hip ratio tells you far more about your health and shape than your weight does. Number two is strength benchmarks. How much can you lift? How many reps can you do compared to last week or last month? How are you progressing? Number three, energy levels and mood. On a scale of one through ten, averaged across a week. The number going up means your metabolism is healthy and your hormones are stabilizing. Number four is how your clothes fit. Not what size, but how they fit on you and how you feel in them. And number five, your skin, hair, and nail quality. Are they dry? Are they brittle? Are they dull? These are direct readouts of your nutrient status. The scale only measures gravity's relationship to your body. It does not measure your health. It does not measure your shape. It does not measure your body composition. And it does not measure your transformation. Put it away for a while and track everything else. And I promise you, you will be shocked by how much is changing that the scale was never showing you. The women I've watched truly transformed their bodies in their 40s and their 50s, all made the same shift at some point. They stopped just trying to be smaller and as thin as possible, and they started trying to build muscle and change their body composition. They stopped measuring their worth in pounds, and they started measuring it in strength and energy and how they feel walking into a room. And they look incredible. Not despite having muscle and eating real food, but because of it. And that's what's available to you. There's no need for restriction and there's no need for deprivation. So here's what I recommend for you to help you get started this week. Number one, grab the fat loss formula workbook that's in the description. It's gonna walk you through your personal protein target, your maintenance calories, and your deficit calories so that you can make sure you're eating enough, but not too much, to support maintaining and building muscle while losing fat. Number two, add two strength training sessions to your calendar in the next seven days. Don't know how to lift weights? Invest in a few sessions with a personal trainer to learn the basics of the machine, the exercises, and proper form. It's worth the investment. Or search on YouTube for workouts to follow. Remember, the weights should feel heavy. That's an important part of this process. But your workouts don't need to be longer than 30 or 45 minutes. And then finally, throw that scale out. Okay, you don't really have to physically throw it out of the house, but take 30 days off the scale and start focusing on how you feel, which is a true measure of your progress and transformation. And if you want some guidance and you want to know what's driving your waking and specifically what your body needs right now to make progress, take my free metabolism quiz. It's only two minutes and it identifies your metabolism type and gives you a starting point built around you and not a generic plan. A link to the quiz is down in the description below. Speaking of which, if you want more guidance around how to change your body composition and lose fat, I have a free four-part masterclass called the Permanent Fat Loss Masterclass. They're episodes 50 to 53, and it's the clearest breakdown I've done on how to lose weight and actually keep it off without overhauling your life. I will link the episodes down below for you so you can go back and listen to those next. And lastly, I would love for you to become a member of the behind the body community and join my weekly newsletter where we talk about all things health, fitness, wellness, lifestyle for us women in our 40s and our 50s. It'll become your favorite newsletter, I promise. And you can join at behind the body.com forward slash newsletter. It's also in the description below. Subscribe to this podcast so you don't miss the next episode. And I will talk to you next week, friend. Thank you so much for tuning in.