We've seen a lot of incredible weight loss transformations over the years - but this one has to be one of the most impressive we've ever seen.
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Coming from an 'obese family with a history of all the weight-related issues you can think of', Zach had struggled with his weight from a young age. When his parents split up and his elder brother was diagnosed with leukaemia, he turned to food for comfort. He says it got to the point where he was binging on fast food 'all day, every day'.
At the age of 19, Zach weighed 33 stone, was diagnosed with pre-diabetes and hypertension and prescribed blood pressure medications by doctors. When he witnessed his father suffering a heart attack in 2012, he realised that his health was in serious jeopardy.
Zach began weight-lifting and hiking up to five times a week and completely transformed his diet. He cut out fast food and stopped 'drinking calories', exchanging them for lean meats, vegetables and other 'whole foods'.
Whilst Zach says weightlifting has become one of his greatest passions, he stresses that diet was the single most important factor in his incredible transformation.
Whilst Zach's weight loss was all-natural through his hard work, he paid £14,900 to have the excess skin that he was left with removed. Today he sports an enviable muscular form which he regularly posts selfies of on his Insta 'Zach Attacks Fat'.
Zach told the Daily Mail:
People honestly don't believe it. The people I used to know don't even recognise me anymore and those I met after weight loss can't conceive how I was ever that big.
Today, Zach is committed to his career as a personal trainer and life coach, helping others overcome the challenges he himself has faced.
Plus - Zach is now dating fellow weight loss hero, Jordan Murphy! Aww!
