Extreme Weight Loss (2022): How Much Weight Can You Lose In A Week?

July 7, 2022 | 3727 Comments


how much weight can you lose in a week without eating

Important note: Please advise your doctor before following any plan. Don’t follow the advice below if you are under 18. 

People always ask: How much weight can you lose in a week?” Well… to answer your question I have good news, awesome news, and bad news.

First onto the good news: YOU CAN LOSE A TON OF WEIGHT IN ONE WEEK

That’s right, you don’t have to be bound to the conventional wisdom of only losing 1 or 2 pounds a week. Extreme weight loss diets can definitely work, but only for a short period of time.

In fact, you can lose up to 15 pounds in one week if you do it correctly.

Now onto the awesome news: ALL THAT WEIGHT YOU LOSE WILL BE WATER AND FAT, NOT MUSCLE

Yup, you read that correctly, if you follow the methods at the end of this post, all the weight you lose during the week will be pure body fat. The conventional statement that losing more than 2 pounds per week leads to muscle, organ, and hair loss is absolute unicorn shit.

How do I know this? Because some awesome scientists from the American College Of Nutrition back in 1999, conducted a study, which tested 2 groups of people for 12 weeks.

One group only did traditional cardio, while the other group only did weight training. Both groups ate 800 calories a day. At the end of the study, both groups lost large amounts of weight, but the one that only did cardio lost large amounts of lean muscle mass, and the one that only did weight training didn’t lose any muscle mass at all.

So there you go, some hard hitting scientific facts that prove that you will not lose muscle during extreme dieting as long as you lift weights.

Note: And if you don’t have a gym membership or if you don’t have access to any weights, then doing a well-designed bodyweight program like Bodyweight Burn is your next best option.

And lastly, the bad news: YOU HAVE TO EAT VERY VERY LOW CALORIES

So yeah…. you have to eat a ridiculously low amount of calories to lose a lot of weight in a week. I’m talking along the lines of 800 calories a day.

The amount that would make any nutritionist hang themselves.

And now, onto the plan, but first, a picture of steaks:

How much weight can you lose in a week protein
I didn’t want to put a boring picture of a scale, so here’s some delicious steaks. I’m guessing this isn’t the best article to put this picture in

The 2-step plan to lose the maximum amount of weight in a week

Please note that the following plan can be used by both men and woman.

And don’t do this plan if you’re under 18, you’re way too young to be eating such low calories.

I guarantee that if you follow the plan below, you will lose 10-15 pounds(water and fat) in one week:

1) For one week only, eat 800 calories per day.

2) Workout 2-3 times per week with weights. Make sure the weights are heavy and be sure to hit all body parts.

That’s all.

Some notes/tips about the above 2 steps:

  • 800 calories is very little food, for any man, woman, or baby walrus. Because of this, I suggest that you only eat 1 meal per day a la Brad Pilon’s Eat Stop Eat. If you eat one 800 calorie meal per day, then you’ll at least feel somewhat satisfied, but if you split that up into 3 or even worse, 6 meals per day, then you’re not going to fare so well on this one week venture. Yes, this means that you will be fasting 24 hours every day for a whole week. Just remember, you will be burning fat, not muscle.
  • Whenever possible, eat higher protein and eat foods with high water content such as fruits and soups. Also, drink lots of coffee and green tea, since they both tend to blunt hunger quite well.
  • Stick with heavy compound exercises when in the gym. That means no curling and crunching, and if you even step foot on a treadmill, my dumbass radar will go off and I may have to kill you.
  • If you can’t lift weights, then your next best option is to do some sort of bodyweight training. You know…exercises like squats, push-ups, lunges, pull-ups, sit-ups, etc..
  • This is a mental game more than anything else. When you’re eating very few calories to lose weight faster, your mind starts playing tricks on you. Your stomach is gonna be grumbling more often. And there are gonna be times where you want nothing more than to self-sabotage yourself. Which is why the next point is so important.
  • Above all, keep yourself distracted and out of the kitchen. If you’re constantly prancing around the kitchen and thinking about food, you’re going to fail. So keep yourself busy. Read a book, play some video games, take a nap, work on your tan, or shave your pubes. I don’t care. Just do something that doesn’t involve food.
  • [EDIT 10/6/2014] I should also add that your protein intake needs to be HIGH. Like really high. In fact, the majority of your calories should probably come from protein, fruits, and veggies if you want this diet to be effective. The protein will help keep you full but more importantly also help maintain muscle.

Remember, this is only for one week

I just wanted remind you all, that this sort of extreme weight loss plan is only a temporary plan.

The results don’t have to be temporary, but the plan is. Please do not try and do this weight loss plan for more than a week.

Doing so is really going to mess with your head and you’ll most likely binge back to your original weight.

After one week, transition to a more moderate weight loss plan for the long haul.

I hope you guys now know how much weight you could lose in a week if went balls to the walls.

Want even better results? Take it to the next level with Fat Loss Boost

Many people have been asking me, “Can I do this for more than 7 days?”

Uh…

Yes and no.

Technically, you could eat 800 cals per day for a sustained period of time.

But sooner or later it’s gonna backfire on you.

If you want a more sustainable rapid fat loss plan…

Then I highly recommend checking out Fat Loss Boost.

This is a more long-term approach than the strategy I outlined in this blog post.

It’s a strategic rapid fat loss diet that works in 14 day cycles.

So you go hard on the diet for 14 days, lose a crap ton of weight, take a break, and repeat.

And the results from Fat Loss Boost are even better:

“I have been able to lose 10 pounds using this program. Starting weight 186. Weight this morning was 176.”

“I lost 12 lbs for my first attempt. Started at 201.7 and ended at 189.9. I am amazed!!! Thanks to everywhere for all the support and great hacks.”

“Ok people I’m done 😀. I hit 171.8 today, my goal was to break 172 on this round which was what I weighed almost ten years ago (lowest as an adult). That’s 30.2 lbs in just under 3 months.

Pretty crazy, right?

Definitely give it a look if you want a realistic, yet challenging plan that burns fat faster than anything. you ever tried before.

Check out Fat Loss Boost

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Questions? Like steak? Let me know down below.

I respond to (almost) every comment, which is pretty crazy considering there’s been over 3000 comments. Sigh…I need a hobby. 

3727 Comments - Leave Your Thoughts

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  1. Goal: lose 10 pounds and maintain muscle in 1 week

    I’m eating around 750-1000 calories a day and going to the gym 7 days a week (for the next week)

    Gym

    Weight lifting evening 1 hour
    Cardio 100 calories morning, 100 calories evening

    Food: protein scoop morning, chicken breast and salad lunch, protein shake after gym, chicken breast and salad dinner.

    Would you recommend changing anything?

  2. This is my fourth day on your plan Keith. I am 24 and weighed 204 lbs. I swear I weighed myself several times this morning and I am now 196 lbs! I have been eating a dinner of roughly 800 calories each day after work and nothing else. I’ve been drinking coffee during the day and a cup after dinner..unsure if it helps with digestion or if that’s an old wives tale. I’ve not got weights or a gym membership though so haven’t been weight training…is that bad? I have a holiday on 24th March so really wanting to look decent for it.

    1. Nice man. It’s bad in the sense that you are probably losing some muscle. But not that bad especially if you haven’t lifted before.

  3. hey i’m a 16 year old female and i’ve been wanting to shed 15 lbs before spring break. i currently wight 140 but would like to get down to 120-125. what should i do to shed these pounds?!:))

  4. Hi
    I’m 14 and I was wondering if you could help me. I saw this article
    thinking finally I could loose weight
    I’m 75kg and I’m not happy with myself but to do this diet I would be harming myself so can I have your advice. I eat 1200 calorries per day and I eat a lot of fruit and veg I cycle on an indoor bike for half an hour each day if I caneed but I haven’t lost any weight. Can your give me some advice on what to do.
    Thanks

    1. DOnt do this diet. Your body’s still developing.

      I can’t say exactly why you haven’t lost weight. But if you show me an average day of eating for you, i should be able to point you in the right direction.

    2. Maybe because you eat a lot of fruit. As a teenager, i used to weight much more than I do now at 22 since I cut off my daily fruit intake. I just eat one or two pieces of fruit every morning or maybe as an afternoon snack. You should always bear in mind that just because it’s fruit or veggie doesn’t mean you can binge on them. Hope that helps 🙂

  5. Can you be 14 and do this diet I’m starting this diet this today so far I ate eggs and fruit and water this morning I am eating 810 calories a day for 2 weeks I asked my mom will this be okay she bought me all I’ll need and To be careful is this okay

  6. Im 13 years old and I weight 168 pounds and I don’t like how much I weight is there any advice you could give me to lose 50 pounds or more?

    1. Hey I was in the same boat as you a few years ago. 🙂 I want you to know that yes, it does work! However, after a little while you should just have small meals. Instead of having your normal proportions, cut what you would normally eat in half. Just stay strong and don’t give in!

  7. Okay I weigh 220 and I need to lose weight for my state trooper testing. But for my testing I have to run a mile and half under 15mins, and I have to better my cardio in running. So could you explain why no cardio at all?? Like I really need to do cardio but lose weight for my testing. My testing is coming up on the 28th.

      1. Hi I’m 16 and I play running back at my high school. I’m 5’9 195 lbs and I lift everyday alternating days with arms and legs and I drink a protein shake during my workouts. My usual day of eating consists of granola bars and fruit in the morning, a sandwich and more fruit for lunch in the afternoon, and red meat and salad for dinner. I wanna lose just a little weight to look more toned and shed excess fat. Do you recommend this workout plan for a football player?

  8. I started a diet 4 weeks ago. I was eating roughly 800-1000 calories a day, with absolutely no snacking in between meals. I drink a lot of green tea, and eat raw veggies and stir fry veggies, as well as, a piece of chicken or fish. I have cut out all carbs, other than what is natural in the foods I eat. The first week, I lost 7 lbs, then 4.5, 1 lb, then 5 lbs. Three weeks ago, my boyfriend broke up with me, after 15 years, and I am barely eating. The 5 lb loss from last week, is due to me eating raw veggies and green tea, and tons of water. I think my nerves are getting the better of me. I look at food, and it makes me sick. I am 5′ 10″ and started this weight loss journey 4 weeks ago, weighing 188 lbs. I am now down to 170 lbs. My goal was 140 lbs. I am tired, bored and sometimes feel lethargic, but I just can’t eat. I live by myself and have no one to help me or keep me company. Am I hurting my body? I need to lose this weight by June.

    1. if you continue just eating veggies, yes, you’ll end up doing damage to your body. Eat whole nutritious foods and a decent variety.

  9. I weigh 48 kilos, height is 5 flat and I badly need to be more fit for I am a dancer and a commercial model. I worked out at the gym 6 times a week, HIIT, cardio, weight training, circuit you name it. I’ve been in the gym for 2 months already and shed only 2 kilos. I JUST CAN’T STOP EATING. But I don’t carbs. more like snacking every minute with sweets bec I was craving for it all the time. PLEASE HELP ME HOW TO NOT GAVE IN TO MY CRAVINGS

    1. make it hard for you to get access to carbs. Throw any temptations out of your house and when you eat it, be deliberate and only buy what you’ll eat at that moment.

  10. As a 20 yr old male looking to lose lower belly/oblique fat, will this plan shed that fat? That is the central location I gain weight at, I lift and run regularly and am pretty cut elsewhere but struggle with this proble area. Should i do anything other than stick to the diet and continue weight lifting?

  11. If I were to add an intense cardio routine along with this diet program and an intense weightlifting regimen, could I potentially get even better results and lose more weight?

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