A Marine explains how intermittent fasting helped him 'see his abs'

Members of the US Marine Corps (USMC) return from a run in Brooklyn's Prospect Park (Spencer Platt/Getty Images)

US Marine and Fortune 500 CEO coach Andrew Wittman explains how he used intermittent fasting to get a lot more toned and finally see his abs.

Andrew Wittman: "Back in -- when I was deployed, I want to say 2010, 2011, coming up to where it was my 45th birthday, I wanted to see my abs. I'm reading all the studies on how you get your body to do that. There was a lot of research on intermittent fasting, and -- course, they did the studies on soldiers. Thank you, US Army.

"So they found out your body really doesn't go into starvation mode. You could go 3 weeks on 800 calories and you don't lose any muscle mass as long as you're working out. Well, I could do that. So I started the fasting, the intermittent fasting, consuming my calories between 4 o'clock in the afternoon, 8 o'clock at night, by 8 o'clock at night, I'm done. I don't eat again until 4 o'clock the next day at the earliest.

"And during that time I will drink lots of water. I'll drink black coffee or unsweet tea, and that's pretty much it. I started in Kosovo -- we deployed, I can tell you the dates. It was my wife's birthday, February 3. I got back on May the first, I think. I followed this routine for right about 3 months, 12 weeks, 90 days, and I saw my abs... Booyah."

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