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

=================

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. sounds like you dont have a bunch of weight to lose overall. Are you sure you need to get down to 100, or is it possible that you might just need to put on some muscle to help recomp your body?

  1. I’m 157 and I want to be down to at least 135 before Thanksgiving or Christmas break how long should it take if I did all of this ?

  2. How lose weight after having the baby cause right now am having hard time eating 3 meals wondering why how can ,I loose 114 pounds to be 100 pounds cause after having kids ,I think it damaged my body to the point now was hoping to build up my back side have a bigger butt an small boobs am hoping to loose weight will shrink my breast size from a DD to a C cup which is decently small feel good about myself.

  3. I weigh 225 lbs, how much might be possible for me to lose in 3 weeks? part 2 of my question, how long might it take for me to lose 80 lbs?

  4. Keith,
    Just found this. I guess when the student is ready the teacher appears. So I just completed day one of a zero calorie “fast”. I’m 5’5 203 lbs and age 43 and ready to make a change. I figure for one week i could just eat/drink protein and drink water as much water as I can, before my brain figures out what I’m really doing around day 3. Here’s to adding weights on day 2. I’m pretty sure I can commit a week to around 800 cals. My question is what do I do after day 7. I’ll update on my status then. Thanks for this post… its encouraging…

  5. What two workouts are best for this plan in your personal opinion? I like your humor, it makes me want to fight a robotic arcade machine!

  6. When would you recommend to eat the one meal? Morning, afternoon, evening? Also, what are good proteins to eat for this? Should there be a constriction on seasoning those proteins?

      1. Ok, you also mentioned soups are good to eat for this because of the high water content. What types of soups are good to eat? Thank you

  7. hello, I’m 5’2, 19 and i weigh 85 kg. I NEED to get rid of my body fat in a month (maybe a little less if possible) because i have to go back to my country for a wedding and i don’t want to get laughed at by my family, they hate fat people. I found this article and will do it for a week but what else would you recommend. Please help, I’m really about to lose my shit.

  8. So I know you said this isn’t good to try 2 weeks in a row. What about this week, skipping next, and doing it again the next week? I wanna loose 15, but I wanna keep it off.

    1. No. You’re looking for a quick fix. If you really want to lose 15 pounds and keep it off, focus on building better habits not just trying to hack your way losing weight fast.

  9. I am 18, 342 lbs , and I am 6’3 . My goal weight right now is to be around 200 lbs and I don’t care how long it takes . I’ve completely stopped eating before trying to lose weight but I know that’s not healthy and I want to lose weight the right way . What should I do and how long do you think this will take ?

    1. you need to eat less. At your weight, there isn’t really a “wrong” way to eat less. You need to find what you can stick with.

  10. Hi Keith, I have an Armed Forces ball in 8 days and just tried on my tight fitting Army uniform jacket. At least I got the jacket on though I felt like a stuffed sausage. I love your one week diet plan which will be perfect if I can lose say 10-12 pounds from Monday, 11/04 to Monday 11/11. I drink one cup of coffee everyday. Is coffee creamer taboo or can I use as long as I count those calories in my daily 800 calorie allotment? Also, is eating lots of green veggies like broccoli, sting beans, salad, etc. OK as long as I use a very low calorie dressing? At this point, I plan to keep at 800 calories per day with eating either lean port, chicken breasts or lean top round steak, lots of green veggies ( as long as this part is OK) and mucho amounts of straight up water. Based on my approach, would you say I am on the right track to lose the 10-12 pounds on a week? I don’t own heavy weights but can I do repetitive exercises with lighter weights? One last question, is any type of diet soda out of the question? Thank you.

  11. Hi
    I’m 53 year old woman and I weight 245lbs height is 5ft 4 inches, I’m having an operation so need to get my BMI down to 38 or it will be cancelled, I have two weeks to get down to this so I think I need to lose 15lbs or above it, I’m not really keen on meats so could I just have vegetable soups to do this?

  12. I am 145lbs, 20 years old and 5’5. By when could I be 125? Will the weight come off from all over my body, I am primarily concerned with stomach fat.

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