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. BREAKFAST- two eggs (boiled)
    Lunch-peice if fruit
    Dinner-lean meat or veggies

    Will this work with some excersise. how much will i lose in a week?

  2. Halfway through the week and I’m feeling good. Wondering how to transition out of this for next week. Obviously up my caloric intake, but should I focus on cardio of weight lifting?

  3. Hiya!
    Just been looking at this post (which sounds awesome) but as a female that is 5ft 8″ and 11 stone (I believe is around 70kg – I work in lb’s sorry!) I’m guessing this wouldn’t work so well for me? Just wondering what I could do? I was 9 and a half stone and I’m wanting to get back there ideally! Any help would be awesome thanks 🙁

  4. I’m currently at 190lbs at 5’5″ and I recently dropped 70lbs the old fashioned cardio workouts and eat clean method. Sadly, I didn’t think I was going to make my goal of 100lbs by Dec. 1… until I read this article. I have two weeks left. If I cut my calorie intake to 500cals of chicken and kale and incorporate body weight exercise like lunges, squats, pushups, etc with some moderate distance walking (3-5 miles at a moderate pace), could I still make my goal??? I’m not looking to extend weight loss past Dec 1. After that I would just like to maintain at 160lbs. 30lbs in 2 weeks seems doable if 15lbs in one week is…
    Otherwise, what would you suggest? I’ve worked so hard to come so close, I just want to make my goal.

    1. No way, you are not going to lose 30 pounds in 2 weeks. Be patient. Use this method for one week then go back to only losing 1-1.5 pounds per week.

  5. Hey man, dig your website. I’m halfway through a week of this, and it is tough. My lifting has stayed consistent, no drop in weight or reps. I eat one meal a day 2 hours before I workout and my performance in the gym is good. Only bad thing is my consistent wolverine type rage…

  6. 5’5″ 150lbs. Trying to get to 130 by December 18th, just started this diet one day ago. Should I increase cardio after I up my calorie intake when the week is over? And how credible is this, the link to the study said the page couldn’t be found

    1. the link was taken down for some reason, I will try to find n updated version. Sorry I don’t think you will lose 20 pounds by the 18th.

  7. Just wanted to make sure i was not crazy and the one week weight loss is true,lol. Ive lost 13 lbs in 5 days so thanks for the article it helped a bunch bro.

  8. hi i’ve got a couple of weeks before i go on holiday. i’m 5ft 4 and i weigh 60 kg. how much weight could i lose if i use this technique?

  9. im female 30 weighing 85kgs. i statrted my diet as you suggested with Nutri slim tea, 1 fruit, 10 blue berries, 2 roti with cup of bottle guard curry( Lunch), 2 pieces of Finger millet chikki ( snacks), fruit juice and dinner 2 more rotis with ridge guard curry( dinner). Total of 800 calories. As a working woman i cant find time to do excersices. Shall i loose 5 pounds per week without excersices..

      1. I am following this diet plan from past 10 days and lost 2.kgs. In the 1st week i lost 600 grams per day for 3 days. Later it was standardized. I didnt loose anything for 2 days.Today i gained 300 grams weight compare to yesterday after following the same diet plan. Im confuced that did i loose water weight or what and do i get it back when i start my normal diet. and today i started my walking . As you auggested i will do weighs also. And can u help me why i was loosing 600 grams some times and gaining 300 grams on other days by following the same diet plan. I observed that if i drink 3 ltrs water im getting better weightloss results… is it true?

          1. Yeah. I stopped it today and started 1400 calorie diet. I put on some more pounds. How to reduce fat weight. I dont want to get back the weight which i lost… help me in this

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