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'Jersey Shore' Vinny Guadagnino Shares Shocking Before And After Weight Loss Pic: 'King Of Yo-Yo Dieting'

By Jeff Mazzeo

Long before Vinny Guadagnino was slaying chicks on the shore, he had to fight his own weight loss demons.

The "Jersey Shore" star shocked fans when he shared a before and after photo on Tuesday that featured him at his heaviest VS. what he looks like now. Vinny opened up about how his personal struggle is not publicly known but proper diet has become a very important aspect of his life.

"A lot of people didn’t know that I struggled with my weight my whole life," he confessed. "I was the king of yo-yo dieting. I was my biggest during the years I was off TV so a lot of people didn’t realize."

Keep scrolling to see his shocking transformation.

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Before And After


While Vinny didn't state his old weight or his current weight, it's easy to see that he lost at least 40-50lbs. He continued his message by explaining his reasoning to going to an all Keto diet. That's why he adopted the moniker of the Keto Guido.

"My genetics make me gain weight easily especially to high sugar/carb food. That being said I believe calories also matter," he explained. "If you eat a surplus of calories a week you will gain weight and if you eat less calories than you burn you will usually lose weight (unless you’re in too much of a deficit and your body goes into starvation)."

"So if you figure out how many calories you need to eat a day and be in a deficit, you will lose weight. The question is, what types of foods are those calories made up of? Are you high carb/low fat? High protein / low fat? I prefer low carb/ moderate protein/ high fat with #cleanketo...

The MTV star said he doesn't react well to sugar and it makes him feel "groggy and lethargic. However, since he's Italian he loves the taste of food and confessed to needing fat in his meals to make them delicious.

He's Healthier Than Ever


Vinny claims that he has never been healthier and says the doctors agree (he definitely has never looked better). The reality star is now on a mission to help other people live healthier lives through the Keto diet (we're pretty sure he has some pretty lucrative sponsors too).

"I have more sustainable energy over long periods of time. I don’t feel groggy and I have more mental clarity."

"my bloodwork indicates my body has been healthier than ever. Everything just seems to regulate itself out when I cut processed sugars and grains and eat quality meats, fats, and greens for the most part ( with treat meals in between of course) this isn’t easy to do in the modern sugar world but possible."

I guess the secret was GTL after all.

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