Behind the Body: Fat Loss, Metabolism & Muscle for Women Over 40

Why You're Gaining Belly Fat After 40 (It's Not Your Diet)

• Andrea Cutuk • Season 3 • Episode 54

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You haven't changed much. But your belly has.

Your clothes are tighter. Your waistline is growing. And everything you've tried, cutting calories, adding cardio, isn't working the way it used to.

This isn't a discipline problem. It's a strategy problem.

The fat building around your midsection right now behaves differently than any fat you've dealt with before. It responds to different inputs. And the approach that worked in your 30s is quite literally working against you now.

In this episode, we're talking about why your belly is changing and exactly what to change this week to start seeing results.

Topics covered:

  • What visceral fat actually is and why it's not the same as regular body fat
  • How estrogen decline in perimenopause reroutes where your body stores fat
  • The cortisol connection most women don't know about, and why more exercise can make it worse
  • Why steady-state cardio alone won't touch this type of fat
  • What the research says actually works, and what you can do this week to reduce your belly fat


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👋🏻 ABOUT ME:
I'm Andrea, a NASM-certified nutrition and fitness coach. I lost over 20 pounds in my late 30s and have maintained it for over 10 years. Everything I share here is research-backed, tested on my own body, and built for sustainability.


MEDICAL DISCLAIMER: The content on Behind the Body is for informational and educational purposes only. It is not medical advice and should not be treated as such. Always consult a qualified healthcare provider before making changes to your diet, exercise routine, or health regimen, especially if you have a pre-existing condition. Results vary. Andrea is a NASM-certified nutrition and fitness coach, not a doctor or registered dietitian.

SPEAKER_00

Welcome to Behind the Body. I'm Andrea, certified nutrition and fitness coach. In my 30s, I lost 20 pounds and I've 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. Your belly is getting fatter. Your pants are fitting tightly against your waist. It's getting bigger and bigger, but you haven't really done anything different. And still you feel like your body is becoming unrecognizable to you. Unfortunately, you're probably not imagining it. If you're a woman in your 40s or your 50s, no question your body is definitely changing. And if you see it in your stomach, you're not alone. But you are probably confused and you want to get rid of it. So you probably do things like increasing your cardio or eating fewer calories. But your belly is either not budging or it's still getting bigger and bigger. And this is not likely just a discipline problem. This is a strategy problem. That fat that's likely building up around your midsection right now is called visceral fat. And it doesn't respond to the typical weight loss or fat loss methods that you've been using for years. It responds to a completely different set of inputs in our 40s and up. By the end of this episode, you're gonna know the three key reasons why your body is holding on to more belly fat now. And at the end, I'm gonna tell you exactly what to do to get rid of it. You're gonna know what visceral fat is and why it behaves differently from the fat that you had in your 30s, why your hormones change the way that you store fat after 40, why more cardio may be making it worse, and what research says is more effective, and what you can change this week in order to start seeing results. Let's get into it. Before I get into the science, and don't worry, this isn't gonna be a science lesson, but here's something that you can use right now to start making progress on getting that belly fat down. If you're doing mostly cardio and multiple cardio sessions a week and you're still struggling with your belly, I want you to swap one of those sessions for a strength training session this week. I know that we are so used to cardio for fat loss, but it does not work as effectively for us women in our 40s and 50s as it used to. And strength training is research back to have a direct effect on visceral fat that steady state cardio does not. I'll explain why in a few minutes, but if you take nothing else from this episode, take that suggestion to see results. One cardio session out, one strength session in. And if you're not working out at all, just add one strength training session a week. We'll talk about this in more detail in a little bit. Okay, that's this week. Now let me tell you what's happening in your body and why it's seemingly changed overnight without you having changed anything. Because once you understand this, then the rest kind of clicks. But even more importantly, you start to trust the process. Let's start with what visceral fat is and the role that it's playing in your body. So there are two types of fat in your body. There's a subcutaneous fat that sits just under your skin. It's that fat that you can grab that you can hang on to. It's visible, it likely hangs over your pants, and it's frustrating, but it's relatively harmless. Visceral fat is completely different. It sits deep inside your abdomen, it wraps around your organs. You can't see it, you can't grab it, but you can feel it when all of a sudden your waistband is fitting tighter or your clothes are a little bit tighter around your waist and you don't know why, even if the scale hasn't moved much and you haven't changed your habits. And here's the part that gets a little sciencey, but stay with me. Visceral fat isn't passive storage, it actually functions like a rogue organ that releases inflammatory chemicals directly into your bloodstream. And because it sits in your stomach right next to your liver, those chemicals hit your liver before they dilute anywhere else. And so why does that matter? And what does that really mean? Well, your liver controls your metabolism. And when it's constantly being flooded with those chemicals, your insulin sensitivity drops. And what that means practically is your body gets progressively better at storing fat and worse at burning it. And your hunger hormones break down and leptin, which signals to your brain that you're a fool, stops working properly. So you can eat a meal and then still feel unsatisfied afterwards. That's not a willpower problem. That's not a discipline problem, like I said. That is your visceral fat manipulating your hormones. And over the long term, this contributes to the inflammation behind blood sugar dysregulation, cardiovascular risk, and metabolic dysfunction. Women's heart disease rise spikes in perimenopause, and visceral fat is one of the primary reasons why. So disliking the way that your stomach has changed and carrying more fat isn't just a vanity issue. The fat is actually contributing to a host of internal potential issues. And it responds to a completely different set of inputs than the fat that you had when you were in your 30s, which is exactly why the old strategies that you've been doing don't work anymore and you don't know why. Now let's talk about why in perimenopause and menopause, the fat gets sent straight to your belly. In our 30s, our stable estrogen essentially acted kind of like a traffic cop, directing where your body stores fat. And as women, it goes mostly to our hips, our thighs, our glutes. But when estrogen starts declining, which begins in perimenopause, which is often in our early to mid-40s, that traffic cop essentially leaves the intersection. Your body doesn't stop storing fat, but it now stores it differently. And without estrogen directing traffic, fat mitigates inward. It goes visceral. That's why it feels like your body changed overnight, even though you haven't changed anything. You've been doing the same things you've always done, eating the same way, exercising the same way. Your hormonal environment changed. And because of that, the strategy that always worked before, which was lower calories and more cardio, it no longer applies the same way because you're working with a fundamentally different set of biological rules now. And so many women our age feel like they're either not doing enough or that they could be or should be doing more. But again, this is not about discipline or willpower or doing more. More is not better. This is about biology. And the good news is that biology has a solution. It just requires that we change our approach. Now let's talk about the role that cortisol plays that most women misunderstand. And I'd argue that this is the most important thing in this entire episode. So if you're multitasking, come back to me. If you are stressed, underslept, and working out a lot, you may actually be making your visceral fat problem worse. And I'm gonna tell you why. So stay with me. Cortisol is your body's stress hormone. When it's chronically elevated, your body treats it as danger. And when your body thinks there's danger, it goes into survival mode, which means holding on a fat and storing it where it can access it fastest, which is your abdomen. And what keeps cortisol elevated? Chronic stress with no recovery, less than six hours of sleep, extreme calorie restriction. And this is the one that's sort of counterintuitive to what we've always known, but too much exercise without enough rest. Five cardio sessions a week while you're stressed and underslept doesn't burn belly fat. It can actually create the hormonal environment that allows it to be stored there. So you're basically doing all of that work, making all of that sacrifice, and your body is working against you the entire time. And I'm not by any means saying stop exercise. I am saying that more is not the answer, and we need to rewire our brains. Being strategic is the answer, and that's what we need to learn. Let me put a number on this because I think it's gonna stop you in your tracks. Research consistently shows that sleeping under six hours is directly associated with significantly higher levels of visceral fat. Independent of diet, independent of exercise, your sleep is a direct input into your belly fat. It's not a nice to have, it's not a luxury, it's not something to catch up on over the weekend. It is a direct input. And I know what you're thinking, Andrea, I'm busy, I have work, I have family, I have a full life. Like sleep is usually the first thing to go. And I get it, I've been there. I used to never prioritize sleep. But here's what that's costing you. You can be eating well and exercising consistently, and your belly fat is still growing because you're running on five hours of sleep per night. That's not dramatic. That is scientifically proven. So here's an action that I'm giving to you early because it's that important. Treat sleep like training. Treat it like it's your job. Seven to nine hours a night, non-negotiable. If sleep is your weakest part of your routine right now, fixing that may be the single highest impact change that you can make for your belly fat. I'm gonna say that one more time because it's that important. If sleep is your weakest part of your routine right now, fixing that may be the single highest impact thing that you can do to help get rid of your belly fat. Okay, now let's talk about how we can fix this and why cardio alone fails, why it does not work. And now that you understand a little bit more about the role of cortisol, let's talk about the role of cardio. Moderate, steady state cardio burns calories for sure. That's real. But research consistently shows that low to moderate intensity cardio, like zone one, zo two, preferentially reduces subcutaneous fat, which is that fat that we can pinch right under our skin, rather than visceral fat. And I know what you're thinking, like, okay, great, I want to get rid of that subcutaneous fat also, but stick with me. If you're already stressed, if you're underslept on top of doing steady state cardio, then you're adding more physical stress without adequate recovery, which keeps your cortisol elevated and contributes to more visceral fat. So then, if steady state cardio is not it, what does work? There are two types of training, and the research is consistent on both. The first is strength training. Building muscle increases your resting metabolic rate, meaning your body burns more calories all day, not just during the workout, but more importantly, the hormonal response to resistance training directly targets visceral fat stores. So this isn't a calories in, calories out conversation. This is about the hormonal environment. And then the second thing that you can do is HIT, which is high-intensity interval training. And these workouts are short bursts of high effort followed by a full recovery. And the hormonal environment created after a HIT workout is particularly effective at mobilizing visceral fat. 20 minutes, once or twice a week, is all you need for a HIT workout because it's pretty taxing on your body and your nervous system. So you just need to push enough out of your comfort zone and fully recover. And here's the bonus. Unlike moderate steady-state cardio, both strength training and HIT reduce visceral and subcutaneous fat simultaneously. So you're addressing both layers and not just one. Here's my personal experience. In my first year of weight loss in my mid-30s, I did a lot of cardio. And I mean a lot, like as many days a week as I could for at least an hour, a lot of times more. And I lost weight. But as I got older in my late 30s, approaching 40, my belly really didn't change much at all. It wasn't until I shifted primarily to strength training with an occasional HIIT workout around when I turned 40 that my whole body, not just my belly, began to change for the better. And now at 45, I weight train three to five days a week and barely do cardio, with the exception of walking and maybe a couple of HIIT workouts on my Peloton or a couple of 30-minute stints on a Stairmaster. So to help get your visceral belly fat down, and in addition to getting more sleep, here are two simple but not easy actions that you can take. If you're someone who's not working out at all, you're not doing strength training, you're not doing cardio, add two to three weight training sessions per week. All you need is around 30 to 45 minutes each. If you're someone who's doing steady state cardio on a regular basis, switch those sessions to a combination of strength training and HIT sessions. And if you're someone who's already lifting weights and doing no cardio, then add in one to two HIT sessions a week. And this is backed by science. So if you really want to reduce your visceral belly fat, trust the process. If we want to change, we have to be able to make the change happen. And here's the thing that still surprises people when I say it out loud, but you can shrink your waistline without the scale moving at all. That's called changing your body composition, where you build muscle and lose fat at the same time. This isn't a getting smaller strategy. This is about getting healthier by reducing the fat storage around our bellies. So the scale is not the right metric here. Your measurements are, how your clothes fit is, because we know the scale lies especially for hormonal women, but your body doesn't. Okay, let's talk about the nutrition strategy to help reduce our visceral belly fat. You don't necessarily need a specific diet, but you do need three things working together. First, blood sugar management. Visceral fat is closely linked to insulin resistance. And the more your blood sugar spikes, the more fat your body stores viscerally. You don't have to eliminate carbs, God forbid, we don't want to have to do that. But reducing the ones that spike you fast, like ultra-processed carbs and refined sugars, that makes a measurable difference in your hormonal environment. Second is protein, because a high protein diet supports our muscle retention and keeps our hunger stable. My target is to aim 4.7 to 1 gram of protein per pound of body weight. And that's a goal. That's not a rule you have to nail every single day. I always say a B minus or a C still beats an F, so try to get close. And third is to reduce your inflammatory inputs. Visceral fat drives inflammation, and inflammation drives more visceral fat. It is a cycle that feeds itself. And the foods that help break this are vegetables, healthy fats, whole grains, and omega-3s. The foods that fuel it, again, are ultra-processed foods, alcohol, and refined sugar. You don't need to eat perfectly by any means, but you do need to shift the ratio. The most practical tool I know is to track your food in the food tracking app for two weeks. And I know some people would hate to hear this because they feel it's restrictive and they feel it's too time consuming, but you don't have to do it forever. You don't have to be obsessive about it, just long enough to see what you're actually eating because most people are genuinely surprised. And you can't change what you can't see, just like you can't manage what you don't measure. And I want to set the expectation that visceral fat doesn't just disappear in 30 days, it just doesn't go away that quickly. Research shows that meaningful reductions typically happen around 12 weeks of consistent strength training and nutrition changes. But you'll often feel it in how your clothes are fitting before you'll actually see it anywhere else. But deep visceral fat takes time. And I want to tell you what that actually looks like from my experience. So here's my timeline. In year one, I had lost the weight, but my belly hadn't really changed that much. I was still primarily doing a ton of cardio, I wasn't strength training, and I was still drinking alcohol pretty regularly. By year three, I committed to strength training as my primary exercise tool, and my body composition completely shifted. My clothes fit better, my waist shrank, I felt good in a bikini, but also the scale weight barely moved because I was recomping. By year five, I understood exactly what my body responded to: less volume, more intensity, consistent protein, sleep as a non-negotiable, as a requirement for myself. And I'm 10 years in now in my maintenance, and my body composition is the best it's ever been at 45 years old. And that's not because I found a shortcut or followed some trend or fad or cut carbs or went on keto. It's because I found the right inputs. And just as important as that, I stayed consistent with them and I trusted the science and the process. And that's truly the difference between a weight loss transformation and being able to keep it off long term. And if you're listening to this, you're probably at the beginning of that timeline. Maybe you're at year one, maybe you were at year zero, but that's not a setback at all. It is never too late. Consider that a starting point. The only thing separating where you are from where I am is knowing which inputs actually work for you and then staying consistent with them. That's literally it. There's no secret, there's no hack, just the right tools applied consistently over time. So here's what I want you to take away from this episode. Visceral fat is not regular fat. It's deep, it's hormonally active, and it requires a targeted strategy. Estrogen decline in perimenopause sends fat inward, and that is biology. We can't escape it. Cortisol and poor sleep actively fuel visceral fat. Cardio alone doesn't fix it. Strength training and HIT workouts do. And your nutrition needs to stabilize blood sugar, you need to hit your daily protein goal and reduce the inflammatory inputs. This is not about doing more, it's about doing things right. So here are your three actions this week to start making an impact. Swap one cardio session for a strength training session, add one 20-minute HIT session, and treat sleep like training. Because for visceral fat, it literally is. If you're new here, I'm Andrea. I'm a certified nutrition and fitness coach. I lost over 20 pounds in my late 30s and have maintained it for 10 years. Everything I share here is backed by research, tested on my own body, and built for sustainability, not for trends or fads. And if you want to know specifically what's driving your weight gain and what your body actually needs right now, take my free metabolism quiz. It's only two minutes. It identifies your metabolism type and it gives you a starting point built around you, not a generic plan. You can go to behind thebody.com forward slash quiz and you'll find the link in the description below. If you're not subscribed yet, hit that subscribe button so you don't miss what's coming next. And if you want to learn how to lose weight in your 40s and 50s and finally keep it off for good, go back and listen to my free four part permanent fat loss masterclass. They're episodes 50 to 53. I will link the episodes in the description below. Thank you so much for tuning in, and I'll chat with you next week.