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If you're eating less, working out more and the scale still won't move, your body hasn't turned against you. You're following a fat loss playbook that was never written for you at this stage of life. In this video Nikkiey Stott walks through the five reasons women over 40 stay stuck, and most of the fixes are the opposite of what you've been told.
It starts with under-eating. Nikkiey explains why 1,200 calories puts your body in survival mode, how to estimate your maintenance calories, and why you may need to reverse diet before a fat loss phase can work. From there she covers why protein is the most important macronutrient after 40 and how to build up to it, why daily steps do more for your calorie burn than long treadmill sessions, how poor sleep can cut fat loss in half, and how your total stress load tells your body to hold on to fat around your middle.
You'll also hear how Paige more than doubled her calories and got her life back, and how Beth doubled her intake while losing weight. Each reason comes with a specific fix you can start today.
Key takeaways
- Stop eating 1,200 calories: estimate your maintenance as your body weight in pounds multiplied by 13 to 15, then eat only 200 to 300 calories below that.
- If you've been under-eating for months or years, reverse diet first by gradually increasing calories week by week until your metabolism recovers, then start a fat loss phase.
- Eat at least 100 grams of protein a day, or closer to your body weight in grams if you strength train, spread as about 30 grams per meal across 3 to 4 meals.
- If you currently eat 40 to 60 grams of protein, add about 10 grams per week so your digestion can adjust, and put protein on your plate first at every meal.
- Use the gym for building muscle, not burning calories, and aim for 8,000 to 10,000 steps a day by walking during calls, parking farther away and taking the stairs.
- Treat sleep as non-negotiable: 7 to 9 hours, a consistent bedtime and wake time, a room around 65 to 68 degrees, no screens 30 minutes before bed and no caffeine after noon.
- If menopause symptoms are regularly breaking your sleep, Nikkiey recommends talking to your doctor because there are options.
- Lower your total stress load by eating enough, training hard 3 to 4 days a week and actually resting the others, walking instead of punishing cardio, and not treating a missed workout or imperfect meal as failure.
Questions answered
Why can't I lose fat eating 1,200 calories after 40?
Nikkiey explains that eating far below what your body needs for more than a couple of weeks slows your metabolism to match, so you burn less while staying hungry. She says a deficit bigger than 500 calories below maintenance is counterproductive and speeds up muscle loss, which slows your metabolism further.
How many calories should a woman over 40 eat to lose fat?
Nikkiey's starting point for maintenance is your body weight in pounds multiplied by 13 to 15, so a 160-pound woman lands at roughly 2,100 to 2,400 calories. You then eat 200 to 300 calories below that, and if you've been under-eating for a long time you reverse diet back up first.
How much protein should I eat per meal for fat loss after 40?
Nikkiey recommends about 30 grams per meal, 3 to 4 times a day, toward a minimum of 100 grams daily. She says spreading it evenly works better than eating most of it at dinner, and to add 10 grams per week if you're starting low.
Is walking better than treadmill cardio for fat loss?
Nikkiey explains that formal exercise is about 5% of your daily calorie burn while non-exercise movement is about 15%. Hard cardio makes you hungrier and less active the rest of the day, while walking doesn't trigger the same compensation, so 8,000 to 10,000 steps often burns more overall.
Can poor sleep really slow fat loss?
Nikkiey describes two groups on the same calorie deficit where the group with reduced sleep lost over 50% less fat. She explains that lack of sleep raises cortisol and disrupts hunger hormones, increasing cravings for high-calorie, high-sugar foods.
Does stress cause belly fat in women over 40?
In Nikkiey's view, the belly fat women over 40 struggle with is not just about declining estrogen but about cortisol staying high for too long. She says crash diets, overtraining, short sleep and guilt all add to your total stress load, and reducing that load is what lets the fat come off.
Ask Nikkiey
Questions this video helps answer, with what Nikkiey says across everything WarriorBabe teaches.

Fat Loss After 40
Is walking better than HIIT for fat loss after 40?
For most women over 40, yes. Nikkiey says walking 8,000 to 10,000 steps a day is more effective for long-term fat loss than daily HIIT. Walking adds less stress and doesn't leave you hungrier or less active afterward. HIIT can still have a small place, one or two short sessions a week, alongside strength training.
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Fat Loss After 40
How many calories should a woman over 40 eat to lose fat?
Nikkiey's starting point is to find maintenance, your body weight in pounds times 13 to 15, then eat just 200 to 300 calories below it. For a 160-pound woman that maintenance is roughly 2,100 to 2,400 calories. If you've under-eaten for months or years, she says to reverse diet up first.
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Full transcript
Nikkiey: You're eating less, you're working out more, and the scale won't move. Or worse, it's going up. If you're over 40 and you feel like your body has turned against you, it hasn't. You're just following a fat loss playbook that was never written for your body at this stage of life. So today, I'm going to show you the five reasons you're stuck and the exact fix for each one of them. Most of these are the opposite of what you've been told.
I'm going to start with the one nobody wants to hear. The number one reason women over 40 can't lose fat is that they're not eating enough. If you're eating 1,200 calories a day or anywhere close to it, your body is in survival mode, and it is holding on to every ounce of fat it can.
Here's what happens when you eat significantly less than your body needs for more than a couple of weeks. Your metabolism slows down to match it. Your body is so smart. It is not going to keep burning 2,000 calories a day if you're only feeding it 1,200 calories. It drops its energy output to protect you from what it thinks is a famine. So now you're eating less and you're burning less. You're miserable, you're hungry, and you're not losing fat. You're just stuck in a cycle that gets worse the longer that you stay in it.
And here's the truth. A caloric deficit bigger than 500 calories below your maintenance is completely counterproductive. Your body starts to panic. Your cortisol goes up. Your muscle breakdown accelerates and fat storage increases, especially around your midsection. The exact opposite of what you're trying to accomplish.
And here's the part that makes this worse, and I really need you to hear this. You're already losing muscle mass from an age-related decline. Every woman starts losing muscle as early as 30, and the rate accelerates after menopause. When you crash diet on top of that, you're accelerating the muscle loss even further. Less muscle means a slower metabolism, and a slower metabolism means fewer calories burned at rest. It is literally a downward spiral, and the 1,200-calorie diet is what started it.
I've seen this pattern thousands of times. A woman comes to us eating 1,000 to 1,200 calories, training 5 to 6 days a week, and she's gaining weight. She thinks that she needs to eat even less and train even harder. She needs to do the exact opposite.
Your body burns roughly 70% of its daily calories just by existing. Your heart beating, your lungs breathing, your brain working, your organs functioning. That's called your basal metabolic rate. When you chronically underfeed yourself, that entire system slows down. Your energy tanks, your sleep suffers, your hormones get disrupted. Your body is conserving energy everywhere it can because it thinks you're in danger.
The fix is not eating less. The fix is eating enough. Specifically, enough protein and enough total calories to support your metabolism while staying in a slight deficit. Slight. 200 to 300 calories below your maintenance, not 800.
So here's what I recommend. Stop eating 1,200 calories. Your starting point for maintenance is your body weight in pounds multiplied by 13 to 15. So if your weight is 160 pounds, that's roughly 2,100 to 2,400 calories. You eat 200 to 300 below that number. If you've been under-eating for months or years, you can't just jump straight into a cut. You need to reverse diet back up first. Gradually increase your calories week by week until your metabolism recovers. And then, only then, can you start a productive fat loss phase. This is not optional. Your metabolism has to recover before fat loss can actually work.
Once your calories are in the right range, the next thing that's probably wrong is your protein. Most women over 40 are eating half the protein that they actually need. And protein is the single most important macronutrient for fat loss after 40. It's not even close.
There are three reasons protein matters more after 40 than at any other age, and I want you to understand all three, because this isn't just advice. This is the difference between losing fat and losing muscle.
First, protein protects your muscle while you're in a calorie deficit. When you eat less than your body needs, it has to get energy from somewhere. If your protein intake is high enough, your body preferably pulls from fat stores. If your protein is too low, it pulls from muscle. And after 40, you cannot afford to lose muscle. It's already declining on its own. Every pound of muscle that you lose makes your metabolism slower. It makes your body softer. And it makes fat loss harder going forward.
Second, protein burns more calories during digestion than any other macronutrient. This is called the thermic effect of food. About 20 to 30% of the calories from protein get burned just by processing it. Carbs are only 5 to 10%. Fat is 2 to 4%. So if you eat 500 calories of protein versus 500 calories of carbs, the protein costs your body significantly more energy to digest. You're effectively eating more food for fewer net calories. Protein is the only macronutrient that works in your favor like this.
Third, protein keeps you full. It is the most satiating macronutrient. When your protein is high enough, the cravings go away. The snacking goes away. The 3 p.m. crash where you reach for sugar goes away. Not because you suddenly have more willpower, but because your body is actually getting what it needs, so it stops sending you hunger signals that aren't real.
The target is simple. 100 grams of protein minimum per day. If you're active in strength training, aim for closer to your body weight in grams. If you weigh 150 pounds, aim for 120 to 150 grams per day. And then spread it across your meals. 30 grams per meal, 3 to 4 times a day. Your body can only use so much protein at once for building muscle, so eating 80 grams at dinner and 20 the rest of the day is not as effective as distributing it evenly. Think of it like refueling throughout the day instead of dumping a fuel tank at the end of the night.
If you're currently eating 40 to 60 grams of protein a day, which most women are, do not try to jump up to 120 overnight. Your digestion just won't handle it, and you'll think protein doesn't agree with you. Add 10 grams per week. Let your body adjust to it. And within six to eight weeks, you'll be at your target and your body will feel completely different.
So here's what I recommend. 100 grams of protein per day minimum. Distribute it across your meals, like 30 grams per meal, 3 to 4 meals per day. Build it up gradually if you're starting low. At every single meal, protein goes on that plate first. Then you fill in around it. Protein has to be your foundation, and everything else is secondary.
This is where it gets real, because everything that I just described, the under-eating, the low protein, the metabolism in survival mode, that was Paige's exact situation. Paige came to us eating 1,088 calories a day. She's a nurse. She has a five-year-old son that she was trying to keep up with. She'd been dealing with chronic pain for over a decade. Low back surgery, arthritis, ulcerative colitis, bone spurs. She was on opioid pain medications and muscle relaxants daily for 12 years, every day for 12 years. And she was eating 1,088 calories thinking that was a path to getting her body back.
What happened when we got Paige's calories up and her protein dialed in? Her maintenance is now 2,280 calories. She went from 1,088 calories to 2,280. More than double her intake. And her body changed. Not because she ate less, because she finally ate enough for her body to actually function the way that it was designed to. She's been completely off the muscle relaxant for almost a year now. The opioid pain medications went from daily use for 12 years to only needing them 1 to 2 months per year. Not because the program cured her conditions, but because when her body finally had the nutrition it needed, the inflammation decreased, her recovery improved, and her pain levels dropped dramatically.
In her own words, the program allowed her to be the healthiest and strongest version of herself. This is a woman who was told by the conventional approach to eat less and push through the pain. She ate more, trained smarter, and got her life back with WarriorBabe.
The macro method is linked in the description. It walks you through exactly how to set your calories and your protein the way that I just described, customized to your body, your age, and your goals. And it takes the guesswork out completely.
Here's one that's going to surprise you. The 45-minute treadmill session that you do every morning is burning fewer calories than you think. And there's something that you're already doing every day that burns more over the course of a week than any cardio class you've ever taken. Walking.
Your body burns calories in four ways. About 70% comes from just being alive. Your organs, your brain, your basic functions. That's your basal metabolic rate. About 10% comes from digesting food. About 5% comes from formal exercise, your actual gym sessions. And about 15% comes from non-exercise movement. Walking, taking the stairs, cleaning your house, carrying groceries, standing while you cook. All the movement that you do outside of a workout.
Now, read those numbers again. Your gym session accounts for 5% of your daily calorie burn. Your daily movement accounts for 15%. Three times more. And yet, most women over 40 are spending an hour on the treadmill and then sitting for the other 15 waking hours of their day. The math doesn't math in your favor.
This does not mean stop going to the gym. Strength training is essential. It builds the muscle that drives your metabolism higher. You need it. But the gym is for building muscle, not for burning calories. So stop treating the treadmill as your fat loss tool. It is one of the weakest tools that you have for that purpose.
What actually moves the needle forward on your daily calorie burn is consistent movement throughout the entire day. 8,000 to 10,000 steps. Taking your phone call standing up or walking around. Parking at the furthest end of the lot. Taking the stairs instead of the elevator. None of these feel like exercise. They don't make you sweat, but they add up to far more calories burned over a week than any cardio session.
Here's the part that nobody tells you about cardio. When you do a hard 45-minute treadmill session, your body compensates. You're hungrier for the rest of the day. You move less because you're tired. You sit more. The net calorie burn is much smaller than the number on the machine says. Walking doesn't trigger the same compensation response. You burn the calories, your appetite stays stable, and you keep moving normally the rest of the day. The total burn from walking 10,000 steps is often higher than the total burn from a cardio session once you account for the compensation.
So here's what I recommend. 8,000 to 10,000 steps daily. Walk everywhere that you can. Take calls standing or walking. Keep your strength training sessions for what they're actually good at: building muscle. And stop spending 45 to 60 minutes on a treadmill thinking that's helping your fat loss strategy. It's not. Your daily steps are.
If you're doing everything right with your nutrition and your movement and you're still not losing fat, this might be the reason. And if you're in perimenopause or menopause, this one is going to hit especially hard.
Let's take two groups of people. Put them on the same exact calorie deficit. Same food, same calories, same everything. The only difference is that one group sleeps normally and the other group has their sleep cut short for two weeks. The group with reduced sleep is going to lose over 50% less fat. Same deficit, same food, half the fat loss. Just from not sleeping enough.
That number should stop you in your tracks. You could be doing everything perfectly, calories dialed in, protein high, steps up, strength training on point, and poor sleep alone can cut your results in half.
Here's why this happens. When you're sleep deprived, cortisol goes up. Cortisol is your stress hormone. And when it stays elevated constantly, it tells your body to hold on to fat, specifically around your midsection. Your body now thinks something is wrong, so it holds on to it as energy reserves.
On top of that, sleep deprivation disrupts your hunger hormones. Ghrelin, the hormone that tells you that you're hungry, spikes. And leptin, the hormone that tells you that you're full, drops. So you're not just burning less fat, you're craving more food, especially more high-calorie, high-sugar foods. It's not a willpower problem. It's a hormonal response to inadequate sleep.
If you're in perimenopause or postmenopause, you already know sleep is harder. Hot flashes at 2 a.m., night sweats that wake you up soaking wet, a racing mind that won't shut off. This is not something that you can just push through or ignore. Disrupted sleep is directly undermining your fat loss, and it needs to be addressed as seriously as your nutrition and your training.
The basics matter more than any supplement or sleep hack. Consistent bedtime and consistent wake time, even on weekends. Having a cool room, around 65 to 68 degrees. No screens for 30 minutes before bed. And no caffeine after noon. I know that noon cutoff is hard, but caffeine has a half-life of about 5 to 6 hours, which means a 2 p.m. coffee is still in your system at bedtime. It's not just making it harder to fall asleep, it's reducing your sleep quality, even if you do fall asleep.
If menopause symptoms are disrupting your sleep regularly, then I would talk to your doctor, because there are options. This is not just an inconvenience or a phase to tough out. Chronic sleep disruption is actively stalling your fat loss, and it's impacting your health in ways that compound over time.
So here's what I recommend. 7 to 9 hours of sleep per night, non-negotiable. Consistent bedtime and wake time. A cool bedroom. No caffeine after noon. No screens 30 minutes before bedtime. And if menopause symptoms are breaking your sleep, then address them directly with your healthcare provider. Sleep is not a luxury here. It's one of the most powerful fat loss tools that you have, and most women over 40 are completely ignoring it.
The last reason you can't lose fat is one that ties everything together. Stress. And I don't just mean the obvious kind, like the demanding job, the family responsibilities, and never-ending to-do lists, although all of that counts. What I mean is the total stress load on your body. All of it combined. The under-eating, the over-training, the poor sleep, the work pressure, the family pressure, the hormonal shifts, the menopause. It all stacks. Your body doesn't separate gym stress from work stress from hormonal stress. It's all cortisol. And when the total load is too high, your body does one thing. It holds on to fat.
Cortisol in small doses is useful. It gives you energy in the morning. It helps you respond to challenges. It keeps you alert. But when cortisol stays elevated chronically, from too much total stress for too long, it flips from helpful to destructive. It tells your body to store fat, specifically visceral fat, around your midsection. The belly fat that women over 40 struggle with most is not just about declining estrogen. It's about cortisol being too high for too long.
Here's the part that most women over 40 don't realize. The crash diet is stress on your body. The 6 a.m. bootcamp class on 5 hours of sleep is stress on your body. The guilt that you feel about missing a workout is stress on your body. The obsessive calorie counting, where you panic over 50 extra calories, is stress on your body. You're adding stress on top of stress on top of stress, and then wondering why your body won't release the fat around your middle. It won't release it because it doesn't feel safe. A stressed body is a body in survival mode, and survival mode means holding on to energy reserves.
The fix is not another workout. The fix is not another stricter diet. The fix is reducing your total stress load. Eat enough calories. Train hard 3 to 4 days a week and actually rest the other days. Sleep 7 to 9 hours. Walk daily instead of punishing yourself with cardio. Stop treating every missed workout or imperfect meal as a failure. The women who get the leanest after 40 are not the ones who grind the hardest. They're the ones who find the balance.
I've coached over 100,000 women through this exact realization. The ones who get the best fat loss results are not the ones who work the hardest. They're the ones who get their stress under control. Every single time, without exception, when a woman comes to me stuck, the first thing that I look at is her total stress load. 9 times out of 10, it's too high. We bring it down, and the fat starts coming off. Not because we added something, but because we removed the thing that was blocking it.
So here's what I recommend. Audit your total stress load honestly. If you're under-eating, over-training, under-sleeping, and carrying the weight of your job and your family and the hormonal changes, your body has no reason to release fat. It has every reason to store it. So fix the inputs. Eat enough. Train with intensity 3 to 4 days a week and rest the others. Prioritize your sleep like it's your job. Walk daily. Manage what you can, and stop punishing yourself for what you can't. The fat loss follows when your body feels safe enough to let it go.
Beth joined us and said something I'll never forget. She said she retrained her metabolism and doubled her caloric intake while losing weight. Doubled it. She was eating half of what her body needed, and she was gaining weight. She ate more, the right things in the right amounts, and the weight came off. She's now thriving in retirement. And she said the whole experience has been holistic. Not just nutrition and fitness, but mindset. Learning to stop feeling guilty about putting herself first.
That is what this comes down to. You were never broken. Your metabolism isn't ruined. Your body hasn't turned against you. You've just been following rules that don't work for your body at this stage of life. Now you know what to fix.
But nutrition is only half the equation. If you're still training by the old rules, light weights, long rest periods, machines, hour-long cardio sessions, you're leaving half of your results on the table. I made a video breaking down the seven science-backed ways that women should actually be training. That video is right here.
The macro method is linked in the description with everything that I walked through today. Your calories, your protein, your macros, your overall meal structure, all customized to you. I'll see you guys in the next video.
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