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  • Writer's pictureJoseph Creer

The Science of Cutting Weight

Updated: Jan 2, 2019

People ask me all the time,"Joe you're a really big guy how do you get to 185 lbs to fight and still perform well?" My answer is always the same a lot of hard work and discipline. A well known secret to cutting weight is about regulating a chemical in your body called 'Aldosterone.' If you can do this a fighter can lose up to 30 lbs in about a week. 


Dropping weight fast is all about manipulating your water and sodium levels. For a fighter who wants to cut weight quickly and safely, here’s how much water he would consume in the 5 days leading up to his weigh-in:

Sunday – 2 gallons Monday – 1 gallon Tuesday – 1 gallon Wednesday – .5 gallons Thursday – .25 gallons Friday – No water till after weigh-in at 5PM.

As you can see, the amount of water starts high with two gallons and decreases with each day till he’s drinking hardly any water on Thursday and Friday. This is to ensure their body gets into “flushing mode.”

By drinking lots of water early on, the fighter’s body will down-regulate aldosterone, a hormone that acts to conserve sodium and secrete potassium. And when he suddenly reduces the amount of water he drinks in the middle and end of the week, his body will still be in flushing mode, meaning he’ll hit the bathroom to pee a lot even though he’s hardly drinking any water. What happens when you excrete more fluid than you take in? Bingo! Rapid weight loss.

This is just a general picture of what I do to lose the weight. I will continue this blog series over time so be sure to check back often as I drop more tips.- Joe  

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