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

July 7, 2022 | 3729 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. 

3729 Comments - Leave Your Thoughts

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  1. Please, I have no access to a gym (can’t afford it) and I have no weights at home. Are there any other forms of effective excerise that one can do to bring about the same results? Also how many times a day and for how long e.g 1 hour

  2. Hi i need to lose around about 15 pounds and am gonna try this for the week ahead but wanted to know apart from body weight exercises can I do a run as well not on a treadmill but say a 5 or 10k on the road??

  3. I started this Friday, I’m going to eat 800 calories daily until next Sunday. I’ll be doing the Matthew Mcconaughey workout routine, as I don’t have access to any weights. I’m male, 22 years old, 5ft 9, and weigh roughly 172 pounds. I’m about 16% bodyfat. I’m just trying to lose most of that bodyfat. Is that possible? I’m eating mostly protein rich foods, and produce when I’m not eating meats/carbs.

      1. Hey, thanks Keith. I found your blog while at work about a month ago. Read almost all of your articles. I’m not too big on weight lifting, but eventually I’d like to look better. So far it’s been so much easier to track my calories by only eating once per day, and eating all of them in one meal. After the week is over, I’ll adjust my intake levels to roughly 2200 kcals per day.

  4. Hey Keith,

    Doing my 2nd EWL since the last one in late July/Early August. Started Sunday Oct. 26 at 228lbs, today I am at 223, will have full analysis Sunday November 2nd. So much easier now that I’ve stuck to IF. Also down 30lbs since my last post.

    I’ve turned so many co-workers onto FITMOLE and everyone is getting inspired. Thank you again brother 🙂

    p.s. I see so many people posting they started but no one ever updates their results. Do they ever email you about trying EWL?

    1. Dude that’s awesome.

      Congrats on the weight loss.

      Ya some people email me about their results.

      But the reality is 90% of people who try this diet fail. It’s not easy and most people tend to just give up.

  5. Hi,
    I’m currently on herbalife but I have an event to go to in a week and wanted to try this! Do I have to eat the 800 in one meal or can I just have 3 shakes that will equal 800? Thank you for your help great article and I’m excited to check out the rest of your site 🙂

      1. I did 🙂 I just was unsure if I would get better results by just eating once a day versus 3 times because of the fasting time. Thank you for your response 🙂

  6. How did everyone go?
    any results?
    I’m starting this today… 1/2 way through the day already. I will report back and let everyone know in a week. 🙂

  7. Hey! I came across this page while searching on Google for a fast way to lose 10 lbs. I actually started this yesterday. My caloric intake was 792. Unfortunately, I spread it out throughout the day because I have a bad habit of snacking when I’m bored. Also, I didn’t work out at all yesterday because I had to pull a double shift at work. But I plan on lifting some weights when I get home today. I will keep you posted on my progress. It’s easier for me to stick to a certain diet/exercise routine when I can talk about it with a group of people. Gives me the sense of “oh no, they’re counting on me. I have to do this!” Lol. Anyways, I had one question, I know you said not to do this for more than a week (and honestly, I don’t think I have the willpower to last longer than a week), but I was wondering, what if I did this for one week, did something else for the next 2 weeks, and then the following week I tried this again?? Would that be okay?? Like one week on, two weeks off, then one week on again? And so on until I lose my goal weight of 30lbs??

      1. Okay. Thanks! I’ll post my results this Sunday. And hopefully if all goes well, I’ll do this again the week before Christmas!

  8. Hi,
    I was wondering, what sort of weight would be best for the weight training? I currently do a 30 min HIIT sesh 3 x per week which includes all body weight exercises. It’s a 3 day split, upper and abs, legs and full body. Body weight exercises include:push-ups, squats, dips, bicycle crunches, lunge jumps, burpees. It is a very difficult circuit, but I go hard for 7 mins then have 2/3 min break and repeat 3 more times (4 in total). My heart rate does get high but my muscles ache lots(!!!) and they are very sore the next day. Is this ok to do in place of “weight training” or what else would you recommend? Thanks heaps, this article is great!!

  9. So, after completing my 2nd Extreme Weight Loss program since the last one in late July/Early August, I started this one, Sunday Oct.ober 26 and ended Sunday, November 2nd, 2014.

    Starting weight: 228
    Ending weight: 217

    Total of 11lbs lost.

    This time around I felt way stronger in my work outs and actually had more energy. If you’re thinking of trying this, try getting used to intermittent fasting first so that you can go longer periods of time with out eating and not feeling depleted or hungry. Try and stay away from cardio, I learned my lesson the first time. If you enjoy walks or light cardio, I would say just keep the time to a minimum(no more than 12 minutes).

    Thank you again, Keith!

  10. Hi, next Friaday is my Ribbon Party and I need to lose as much weight as possible, but I cant do any exercise as I am ill and taking antibiotics. Would it be still effective? Thanks!

  11. Wow I’m so lucky found this I’m not over weight but I’m not where I want to be either, I want to lose 40lbs but this will give me a great boost of confidence and the fast results i want

  12. Sorry, I’m a girl. Can you give specifics for weight training that I can follow? I’ve never really lifted so that would be really helpful! Like: x number of reps doing x thing. and so on. Thank you so much!

    1. Choose 4 exercises: one for chest, back, shoulders, and legs.
      For example, you could choose bench press, chin ups, standing military press, and front squat.
      Do 3 sets of 5 for each exercise
      Do this 2-3x per week

      1. Hi Keith!
        I was wondering, is 5 sets of 6-8 ok? I researched hard online today and that’s what I came up with. I am doing this from home with 5 kilo (for each one so 10 total) weights. I don’t have leg weights yet but I will make some (from tire tubing, lol) before my next workout Monday. Do you think I am slowing down my weight loss not having used leg weights? I did legs holding hand weights, but it was the best I could do today. Thanks a lot!

  13. I see in the How Much Weight Can I Lose In A Month that you list the following training example:

    Choose 4 exercises: one for chest, back, shoulders, and legs.
    For example, you could choose bench press, chin ups, standing military press, and front squat.
    Do 3 sets of 5 for each exercise
    Do this 2-3x per week

    Will this be sufficient for the EWL 1 Week program?

  14. So I am new to the world of losing wieght and your article caught my attention. I was really worried when you were so against the treadmill. Because cardio on a bike is all I know how to do. What are heavy compound excercises exactly? How long should I work out a day?

    1. weight lifting exercises like bench press, chin ups, shoulder press, squat…exercises that work more than one muscle at a time.

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