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. could you e-mail me and let me know exactly what to eat on this 800 cal diet? `just wondering portions and such….how much water do you drink for this?
    Thanx

  2. I’m sorry if my question is out of topic

    if i am going to do HIIT in the morning , is it okay to play basketball in the afternoon? or should i just rest?

    Plus, is it okay, in one session of HIIT, to lift weights( just the light ones like 9lbs) and use the stationary bike?

  3. Hi, i was wondering whether it is okay for me to do some of the workout on and indoor-rower as I am in possession of one (I know it is cardio but I hear that indoor rowers are more of a muscle training if done properly ). Also is it fine for me to consume 2 gallons of water every day ? It is natural for me since I can remember.

    Weight: 188 pounds
    Height: 6′ 5″
    Age: 18 y.o

  4. Problem is I am not able to do much exercise. I A 65 Can I do the diet to jump start my weight loss. Should I eat a protein bar cause I don’t eat meat or fish ty

  5. I don’t know how exactly I ran across your post, but I was instantly intrigued. I think you’re on to something, buddy. I’m not a diet noob so I’m familiar with parts of your strategy, particularly the strength training, considering it will rev your metabolism.

    So, I’ve decided, as of Midnight, to give this diet a whirl.

    My stats:
    5’9″
    210 lbs
    34 y/o

    People have no idea I weigh 210, likely because of my muscle composition, but I have some definite fat that needs to go!

    I’m going to follow your strategy but I’m going to make a couple of minor tweaks.

    1. I will break up my meals into two parts instead of just one. (If I feel differently, I’ll drop it down to one meal.)

    2. I’m including diet coke in my diet. Why? Because I know it will help me survive. (I’ve dieted with diet coke, which most fitness nuts don’t recommend but fuk it, I’ve lost up to 30 lbs last time I committed to a diet WITH diet coke!)

    I know strength training is going to leave me starving so, I need all the help I can get.

    I look forward to sharing my progress.

  6. Hi, I weigh about 150 I am 6’0 and I am trying to loose a lot of weight because I am going to be a camp director.

  7. I’m trying to get myself a head start on a diet after having my second baby a few months ago – was never over 8.5st before having him and I’ve rocketed to 14.7st, would you recommend this diet to give me a head start in my weight loss? Thanks

  8. How can I do weight training with no gym membership or any weights? Also can I do any kind of cardio for like 5mins only to get into working out?

  9. I weigh 160lbs, I’m 5’6 and I’m 18. Why exatly cant I do cardio? I think it would help me lose weight faster.

  10. Will this work for someone who is already slim but wants to lose the last few lbs?
    I know it seems that the more overweight you are, the faster you lose lbs.
    Wondering if it works the same whatever weight you are? Your thoughts?

  11. My info:
    Weight: 250lbs
    Height: 6″1′

    Trying to get down to 210 in 20 days. I’ve been eating about 500-900 calories a day for the past week. But no working out. I have a gut and strech marks that I would like to go away in the time. This would be a good diet if I start working out?

    1. 500 is way too low. I’d go on a more moderate diet, where you’re eating about 2500 calories per day.

      There might even be a chance that you “damaged” your metabolism so you need to up the calories a bit.

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