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zakruti.com » Sport, fitness, workout » Jeremy Ethier
It's Boring, But It Destroys Your Body Fat In 30 Days

It's Boring, But It Destroys Your Body Fat In 30 Days

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Get both 30-day guides free (CPB Strict & CPB Flex) by starting a 2 week trial of BWS: Existing BWS App Members: You can access your 30-Day Boring Diet guides by logging into your BWS web portal below: I built the simplest fat loss diet possible. Buffet-style meals, no calorie tracking, no strict portions. Instead of relying on willpower to lose fat, this best diet for fat loss is designed to change the conditions that make overeating easy using fat loss science and ingredients proven to reduce hunger, cravings, and mindless eating. And even if you never follow this diet exactly, I’ll show you how using just one part of it can make achieving a calorie deficit and, in turn, fat loss dramatically easier. Meet Max. A personal trainer and train conductor. According to his DEXA scan, he started at 19% body fat. And our female subject, Isabel, is a Lagree coach. Her starting body fat is 31%. Isabel: I think just with the tracking to lose fat is something that I kind of struggle with mostly with having a busier schedule Max: Usually I hit up a buffet maybe like 2-3 times a week yea I just love eating. But he’d eat until he was sick. It’s a habit he wanted to break. Luckily, if my science checks out, then this fat loss diet won’t just help them lose fat with unlimited food and without counting a single calorie it should also reset their brain to eliminate hunger, cravings, and unhealthy food habits. I call it the CPB Diet. It’s simple, just three rules: 1) Chicken breast, potatoes, broccoli, and carrots. Eat as much as you want. 2) Olive oil: limited to one tablespoon per meal. 3) No liquid calories, diet sodas, or artificial sweeteners. The point of this is to keep it really bland. You’re going to get seasoning, you’re going to get sugar-free sauces, so you do have some flexibility there. Week 1 of being on this best diet for fat loss was rough: Max: I would want sushi and then images of potato would just keep popping up it was just mentally exhausting. Isabel: Chicken for breakfast it just makes me feel very trapped. But the crazy part is that neither of them complained about being hungry despite being in a calorie deficit. They actually struggled to eat enough. Based on their weight trends, we estimated their intake (without tracking): Max: 1800 calories/day Isabel: 1300 calories/day And after 1 week, their measurements were already wild: Max: It’s down over 3 centimeters. Isabel: Down 1. 5 centimeters on the waist. Now there’s some pretty crazy fat loss science behind Max’s favorite food: potatoes. Back in 1995, researchers compared 38 foods for fullness. Potatoes came out on top but preparation matters. Fry them, and that advantage mostly disappears, which is why we limited each meal to just 1 tablespoon of olive oil. By week 2, the hardest part on this fat loss diet wasn’t even hunger it was FOMO: I’ve been feeling a lot of FOMO potlucks bakery family lunch We also tested flexibility (special ingredients for Isabel orange, tomato, avocado, Greek yogurt, and bok choy for micronutrients and a planned hedonic deviation/treat meal): Isabel: I definitely thought it would spike more cravings but honestly, I feel totally fine easy to get back into routine. Max stayed strict, but that created a different problem: micronutrients. So I told him: Here are the big ones that you’re not getting enough it would be a good idea to start supplementing these. Isabel had one challenge Max couldn’t relate to in her journey to lose fat her menstrual cycle. During this time, hunger and cravings can ramp up, making consistency harder. You’ll often hear that women need to completely change their diet or workouts around this time, but there’s actually no strong evidence supporting major changes. Instead, the research suggests keeping the overall structure the same and listening to your body. For Isabel, that meant making small adjustments without breaking the plan: more meal volume (more potatoes) and simple comforts like tea or gum. And then came the final scans. Where Isabel went from 31% body fat to 28%, and Max went from 19. 3% down to 12. 9%! Now, even though they’ve seen fast results, the goal of this experiment isn’t to have them eat this extreme fat loss diet forever. It’s to reset how their brain responds to food, then gradually move toward a more flexible approach they can actually stick to long term. Plus, even applying a few aspects of this experiment can make fat loss much easier: - Eat a solid protein source at every meal - Choose more filling carbs like potatoes and fruit instead of rice or bread - Fill at least half your plate with vegetables - Be mindful with fats oils, nuts, avocado add up fast - Keep most of your meals simple and repetitive - Avoid changing up your meals every single day Isabel’s coaching program:
Date: 2026-01-23

Comments and reviews: 20


This seems to work by making the meals so boring and repetitive that you no longer eat for enjoyment or pleasure (in fact start to dread another meal of chicken breast and potatoes, so you only eat when actually hungry, and stop as soon as you have had the bare minimum. Hence no need to count calories as you no longer want to eat any more than absolutely required. Not a bad plan for a short term rapid fat loss for a specific goal (like a wedding, photo shoot, competition etc. or during the 'cutting' phase of a weight training bulk-cut cycle, but likely wouldn't be sustainable or healthy as a permanent eating regime. I prefer a more gradual approach where the 'diet' meal plan is much closer to what I want to stick to as 'healthy eating' for the rest of my life (so basically just reduce the carbs and fats a bit to average around a 600 kcals/day deficit below my maintenance of about 3, 300 (doing 12-15K steps/day plus wt training every 3rd day. Still includes lots of chicken breast though -- can't seem to avoid that for fat loss while maintaining/gaining lean mass.
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It's so serendipitious that you released this now, this week I started eating potatoes, after years of being told it's poison, oh no CARBS boooh, my father got like 10kgs on the supermarket because his doctor told him to eat it mashed for a while, so I looked at those potatoes and finally did what I never did before, look it up, calories for grams and it's so absurdly low calorie, then I sliced it and used as a pre-training, holy shit I hit a new PR, like by far, never had a pull-down with 78kgs for more than 3 reps, managed 12 like it was nothing. Also carrots are one of the few veggies I can stand, so you basically validated my plan to add carrots to every meal to never be hungry again, and eat potatos too.
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I did something VERY similar once. Ate 2 eggs on rising, before noon had chicken or fish w/veg and baked potato (used salsa as topping. Ate that again mid afternoon, ate the same thing at dinner. Lost 8 lbs the first week by eating 21 potatoes, 21 pieces of either chicken or fish, a BOATLOAD of veg, and 14 eggs in a week. Was so effective, I did it again the next week, lost another 5 lbs. I was thinking about doing it again but didn’t have much to lose at that point but mostly because it was SO MONOTONOUS I didn’t think I could handle it. The first few days your metabolism really revs up and you’re starving by 7pm even with eating so much food.
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I'd like to know: A D E K are fat soluble vitamins, fats and cholesterol are also precursors to our hormones, our brain and myelin sheath are created from cholesterol.
So why within the fitness industry are we so hyper-focused on limited fat, lean meats
Where are we compensating for the lack of compulsory fats and cholesterol
Cheat meals can supply some, especially when it's sushi or something similar, and I know you said this isn't a long-term diet, and the addition of eggs would be a great addition, but for those who are choosing the low-fat path, as are many, is a cheat meal a week enough

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My biggest concern is. are they getting enough healthy fats I know this not meant to be a long term diet, but is it ok to go virtually 0 fat (maybe around 5g with the olive oil per day I guess) for 30 days wouldn't that mess with their hormones and stuff Glad you pointed out the vitamins etc, and they do not report any side effects like that (although maybe that is why Max had some very rough depressive days. I wonder if adding avocado or one nut of their choice would have helped, and kept the experiment of this is still the same boring food every day the same. What are your thoughts
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I actually followed a very similar diet for liver health over the xmas holidays with very few changes (Sweet Potatoes over white potatoes being the big one. I definitely understand the re-wiring the brain thing. I ate way less because I just didn't feel like eating. when you see food only as fuel, it absolutely makes those hunger pangs go away and you start listening to that full feeling, alot easier.
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This isn't a bad meal at all, but eating the same thing every day deprives you of a lot of nutrients. It also isn't building a sustainable habit, so it seems highly likely that they'll both revert to previous habits after the 30 days.
This might be good content, but I wouldn't recommend this diet to anyone.
Edit: I got to day 15 and I feel much better about the menu additions.

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Very interesting meal plan. Only like a couple things I would change nutritionally. Swapping potatoes for sweet potatoes for lower gylcemic index and spinach for the carrots. Also allowing as much garlic as they like to make it more sustainable, and eggs for macro and micronutrients. Home made chicken stock / bone broth would work as well, since they're using so much chicken.
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Honestly, the changes are crazy but doesn't feel worth it. Especially for women.
However, I can see the advantage of limiting your diet to fewer, more simple ingredients. Main thing is to make sure to hit all nutrients, like how Max had to supplement at the end to avoid deficiencies. and maybe swap the ingredients every two weeks or so, to not completely lose your mind.

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I need an Isabella in my life!
Great job by both Max and Isabella. They were very serious about doing this correctly and I’m sure it wasn’t easy.
I’m going to start my version of this in a few days. Logging it for my own benefit. This morning at 6’6 I weight 236. 4 lbs and body fat is at 24. 2%
We’ll see where I go from here.

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Wow How amazing max lost no muscle and lost 7% of body fat as not an obese person in a month WoW! What a break through in science! WOW! so calories in calories out dont matter as much as eating, chicken, broccoli and potatoes WOW and you won't lose muscle either WOW! move over ozempic and steroids we've got chicken, broccoli and potatoes!
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You really need to track your calories or just don't worry about your weight. I eat one meal a day 1800 calories with sweet potato 500g chicken fillets or white fish and the rest made up of zucchini. 92kg today I was 100kg on the 1st of January. On Saturday I have whatever I want with a treat after but still one meal a day.
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Reckon they got 50-70g of fat a day A lot of my diet is lean meat and fruit and veggies potatoes etc, but if I don’t get 50g of a fat a day my hormones are cooked and I never feel satiated and my brain feels fried. A few eggs and an avocado fixes that for me. Wonder how would feel to have such a low fat diet for 30 days
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Women you'd have to lose fat much slower rate than this video shows. Otherwise, like this lady constantly mentioning about her cycle and bloating. This means women seeking quick results, comparing ourselves to men, actually will mess up your hormones. This means to stop the 30 day challenge and opt for 3 months.
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I love to see the differences between the men and the women. Like, its cool to see that sometimes women cant just up and stop everything like men can because our bodies are different. But its cool that theres still ways to participate. This was really awesome to see! Thank you for the education and for sharing
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Max being so jacked allowed fat to strip away quicker he was eating 1600cals his maintenance prob 3-3. 2k so yeah he was stripping it all off. I’m doing the same but 2200cal and losing about 1. 8lb a week but doing this for 4 months so way more flex to my diet but it’s all calories in calories out
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lol instead of chicken breast I would meal prep chicken thighs, ground turkey, potatoes, and mixed vegetables (usually bell peppers,
onions, and spinach) and baked them in a sheet pan. The I only problem I have is that it results in meal prep fatigue and I crave bad foods after a while.

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Just eat 90% unprocessed foods/ingredients. White flour, added sugar and oil/fats kept to a minimum. You won't overeat and you don't starve because it's too boring either. Go carb heavy. Pasta, rice, whole grains, potatoes, legumes are all quite filling and give you plenty of fuel.
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So, basically eat whole foods like fruits and veggies and choose leaner meats like chicken and fish. Cut out junk food, but every so often eat whatever you want. Eat at a calorie deficit and pick a cardio you enjoy doing, like something simple as walking 10, 000 steps.
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I'm actively experiencing similar results on a different diet. I'm limiting calories to around 1800 per day by weighing my food. High protein to keep hunger spikes down. 10, 000 steps per day. 3x full body workout a week. Rest on Sunday (still calorie limited.
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