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  • Follow the 2026 Olympia on September 24 to 27, 2026!

Inside a 12,000-Calorie Day: Will Tennyson Tries the Diet That Pushed a Man to 725 Pounds

Will Tennyson

Will Tennyson

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In this powerful video, fitness creator Will Tennyson attempts to follow the extreme diet that once fueled his friend Sal to a staggering 725 pounds. The goal is not entertainment alone. It is a raw look into the habits, emotions, and daily routines that can drive severe obesity.

Sal is now on a different path. After nearly dying from complications such as diabetic ketoacidosis, he has already lost close to 200 pounds, dropping from 725 to 526 lbs. To understand how the weight gain happened, Will spends a day recreating Sal’s former 12,000-calorie routine.

The day begins late in the morning with food delivery. Sal explains that his fridge was always empty because he ordered every meal through apps like DoorDash. Breakfast alone includes four large pizzas with heavy ranch dressing. The focus was never hunger. It was habit and comfort. Sal describes food as something that never judged him, never talked back, and provided emotional safety during a time when he felt deep shame about his weight.

Lunch quickly escalates the calorie count. While Sal now eats a structured meal of venison, rice, and vegetables, Will must tackle the old version: 24 fried chicken wings, biscuits, and multiple containers of ranch. The meal adds roughly 3,500 calories, pushing the daily intake toward five digits.

Between meals, the two visit the gym where Sal performs cardio and weight training. Just months earlier he could not complete 10 minutes on the StairMaster, but now he trains intensely and weighs in at 526.2 lbs, marking over 100 pounds lost since their first video together.

The emotional side of the story becomes clear when Sal reflects on the past. Much of his eating was tied to food addiction, isolation, and shame. He spent hours in poker rooms eating chips and ordering more takeout while avoiding friends and family who were concerned about his health.

Dinner continues the overwhelming calorie intake with Indian food, rice, naan, butter chicken, and goat curry. Even after feeling sick and exhausted, the day ends with another late-night binge: 16 White Castle sliders, nearly 4,000 additional calories.

By the end of the experiment, Will struggles to finish the food and admits the experience is brutal. For Sal, the takeaway is simple. Recovery happens step by step. Instead of focusing on losing hundreds of pounds at once, he focuses on 25 pounds at a time, building habits that support long-term health.

The video highlights how extreme overeating often goes far beyond hunger. It can involve addiction, mental health struggles, and cycles of shame. Yet Sal’s progress proves that change is possible. Nearly 200 pounds down and still moving forward, his journey shows that even the most difficult battles can be fought one step at a time.

Watch the full video from Will Tennyson to see the entire 12,000-calorie experiment and Sal’s inspiring weight-loss journey.

https://www.youtube.com/@WillTennyson
 
Legit

Legit

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I saw this guy gain 10 lbs in one day and then lose 10 lbs the next day.
 

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