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Grocery delivery man who tipped the scales at 520 lbs loses a whopping 300 LBS by buying the same food as his fitter customers - and carrying their bags up flights of stairs

Daily Mail logo Daily Mail 9/3/2019 Carly Stern For Dailymail.com

© Daily Mail A Chicago man has lost nearly 300 lbs. since he started delivery groceries for Instacart — and taking diet cues from in-shape customers.

Antonio Martinez, 30, weighed 520 lbs. at his heaviest. But several years ago, he took a job shopping for and delivering groceries for Instacart, and something major changed. 

The job had him ramping up his physical activity and getting in better shape, and soon he began eating healthier, too, choosing the same foods that he delivered to fitter customers.

a man wearing a suit and tie: Transformation: The 30-year-old weighed 520 lbs at his heaviest (pictured)

Transformation: The 30-year-old weighed 520 lbs at his heaviest (pictured)
© Provided by Associated Newspapers Limited

Antonio told Good Morning America that about five years ago, he was working an office job and wearing 5XL-size T-shirts. 

He'd been heavy for a long time, having grown up on comfort foods like bread and rice. He'd regularly scarf down two fast food value meals for dinner, along with potato chips and plenty of dessert.  

"I would just wake up, eat, go to work, snack all day and go home tired," he said. "I was just uncomfortable, sweating [from] just being still."

Everything changed when his wife told him she wanted to start a family.  

"I don't know how I can do that because ... I can barely take care of myself," he said.

Antonio decided to do something about it. The first step was getting a second job with Instacart, where he'd shop for other people's groceries and deliver them to their door.  

'I would just wake up, eat, go to work, snack all day and go home tired,' he said

'I would just wake up, eat, go to work, snack all day and go home tired,' he said
© Provided by Associated Newspapers Limited

"It just started off as instead of going home after work I'm going to get in my car and walk around a grocery store," he said. "That first order, I remember walking through the store and after 15 minutes I was exhausted."

That much physical activity was new for Antonio, but the more he did it, the easier it became. He'd walk 15,000 steps a day doing food shopping, and would often have to climb several flights of stairs with heavy bags of groceries.  

Eventually, he could climb a flight of stairs without losing his breath.

But the number on the scale was still high, even after a year of working for Instacart. A trip to the doctor revealed he was still 520 lbs.

"I was worse than I thought. It hit me hard," he said.

a person standing in front of a store: Exercise: But the physical activity grew easier as he got more in shape, walking 15,000 steps a day shopping for other people and delivering their food

Exercise: But the physical activity grew easier as he got more in shape, walking 15,000 steps a day shopping for other people and delivering their food
© Provided by Associated Newspapers Limited

Now Antonio realized that getting in shape would require more than just physical activity — he'd have to make over his diet, too. 

Luckily, he didn't have to splurge for some pricey weight loss plan, and could just pay attention to the foods he was delivering to slim customers. 

"If I delivered [their grocery order] and the customer was really fit, I would be like, 'OK, what are they eating?' It helped me learn a cleaner lifestyle just by mirroring what people ordered," he said.

"I did one order and it was all keto products. I delivered it to [the customer] and he looked great. I asked him about keto and he said he used to be my size. At that point I knew I needed to do it, and at the same time I found out my wife was pregnant so I knew I really needed to do it."

a person standing in front of a group of people posing for the camera: What a difference: He knew he needed to make a lifestyle change when his wife said she wanted to start a family (pictured before)

What a difference: He knew he needed to make a lifestyle change when his wife said she wanted to start a family (pictured before)
© Provided by Associated Newspapers Limited

A month in, he was already feeling better, having swapped fatty foods for eggs, avocados, salmon, almonds and vegetables. 

He kept having to go down a size in his uniform T-shirt as he lost more and more weight.

Eventually, he lost enough on his own — about 100 lbs. — to get gastric sleeve surgery. He has since lost another 200 lbs.

That hasn't been the only change in his life. In addition to making over his body, he and his wife did start a family — and Antonio has been promoted to site manager. 

"If you had told me five years ago that I would be moving up in the company and moving down on the scale, I wouldn't believe you," he said. "I thought I was just destined to be big, that my life was just going to be that."

Slideshow: These 40 fit celebrities over 40 will inspire you to hit the gym (Provided by Prevention) 


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