Does Not Eating Make You Lose Weight?

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Josh is an Expert Trainer and Best-Selling Fitness Author. His mission is to cut through all the B.S. about losing fat and gaining muscle that's spread by so-called 'gurus' and broscience. He wants to help people reach their fitness goals through truth and knowledge.

Josh has written 67 awesome articles for us at Last Stop Fat Loss

Twitter: @laststopfatloss

Weight Loss Isn’t Rocket Science, Is It?

At the simplest level, weight loss doesn’t seem too complicated. If you eat less, you’ll start to weigh less. In reality, healthy weight loss is much more complex.

Does not eating make you lose weight? At first, yes. If you eat very little, or stop eating completely, your body will enter a fasted state. In the short-term, this will cause you to lose both fat and lean muscle mass, and quite quickly at that. However, if you’re hoping for long-term fat loss, starving yourself is completely counterproductive.

Your body is much smarter than most people think. When you eat less food than your body needs, your body very quickly realizes this. It immediately kick-starts something called “starvation mode.” This is a mechanism that has been developed by the body over millions of years of evolution.

What Do Cave Men Have To Do With It?  

In the early days of man, it wouldn’t be uncommon for someone to only get around 5 meals per month. After all, when you have to hunt and gather for your food, you never really know when your next meal is going to come. Due to this uncertainty, the body was forced to make use of what little food it did get in the most efficient way possible. The body learned how to stretch the calories it did get from food over a much longer period of time. It stored these calories in fat stores within the body, and it would do its best to make these calories last as long as possible, slowing the loss of the body’s fat stores . Without a dependable food source near by, the only energy it could depend on was that which was held on its own body.

In order to do this, the body had to slow its calorie-burning metabolism. This is what’s known as starvation mode, and it’s the same thing that happens to your body after just a few days of eating too little food.

A Big Mistake

While people often eat very little with the hope of losing unsightly body fat, they generally end up with the opposite result. Not only will fat loss end up slowing due to starvation mode, it’s next to impossible to stay on a crash diet for long enough to have a positive effect on fat loss.

Your energy will spiral downwards, you’ll get headaches, your friends and family will notice how irritable you have become, and you will be miserable. Starving yourself is not sustainable. Eventually, when you realize that you’re not getting your desired results from eating very little, you’ll begin to eat normally again.

Unwanted Results

When you do begin eating food again, your body won’t know what to do with it. Your metabolism will have slowed down because of your previous fasting, and the food you do eat will very quickly turn to fat.

The body weight you lost while starving yourself will come back with a vengeance, and for many people, they’ll gain even more weight than they had to begin with. Does not eating make you lose weight? I hope you know now that this couldn’t be farther than the truth.

For fast, healthy fat loss, it’s best to implement a program of exercise and nutritional eating. Check out some of the other posts for more information.

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{ 9 comments… read them below or add one }

texasconcierge September 23, 2011 at 2:12 am

I didn’t know this at all. Wow, thanks so much, I’ll get eating! Cheers

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Waldo Spadlin October 3, 2011 at 1:23 am

Oh my goodness! an incredible article dude. Thanks Nevertheless I am experiencing problem with ur rss. Don’t know why i’m unable to subscribe to it. Is there anybody getting an identical rss problem? Anybody who is aware of kindly respond. Thnkx

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Stanton Keba October 3, 2011 at 4:28 pm

This will be a great site, might you be interested in doing an interview about how you created it? If so e-mail me!

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Jakob Urban October 23, 2011 at 10:52 pm

I love this site, I thought not eating would definitely make me look better, you probably saved me months of wasted time!

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Marcus Campbell November 1, 2011 at 11:11 pm

I don’t even know how I ended up here, but I thought this post was good. I do not know who you are but definitely you’re going to a famous blogger if you are not already ;) Cheers!

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Hannah O'brien November 3, 2011 at 12:47 pm

Excellently written article, if only all bloggers offered the same level of content as you, the internet would be a much better place. Please keep it up!

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Isabella-Florence November 13, 2011 at 3:17 am

Can I just say, Josh, that I love all of your articles. Love them. They’re straightforward, informative, with a splash of humour. I do, however, have a question, how many calories can you cut from your diet without your body going into starvation mode? If you eat, say, 850 calories a day, is that ok?

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JoshVales November 14, 2011 at 5:41 pm

Thank you for the kind words Isabella, and thanks for stopping by the site!

In general, there are certain minimum amounts that apply to both men and women. For men, they should not eating less than 1800 calories per day. As a woman, you should not eat less than 1200 calories a day. 1200 calories a day allows for a deficit large enough to have a dramatic effect on weight loss for most women, while still providing you with enough energy and nutrition (if you’re making the right food choices).

A good trick to use is to raise your calorie intake every 4 days. Doing this keeps your body on its toes, and prevents your metabolism from slowing down to the calories deficit on the other days. Try this:

Days 1-3: 1200 calories minimum
Day 4: 1500-1700 calories (or 300 to 500 more calories than days 1-3)

Repeat on an ongoing basis.

Hope this helps!

- Josh

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Isabella-Florence November 24, 2011 at 6:32 am

Thanks for the advice! I’ve actually heard that you should mix up the amount of calories you consume each day to avoid hitting a plateau or something.. but this makes it a lot clearer.

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