I believe he only calorie-fasted. I vaguely remember it and I believe he was given vitamins, electrolytes and water. You don't need "food" to live as long as you have ample stored bodyfat, but you do need water and electrolytes so you don't dehydrate, and possibly some micronutrient supplementation.
No announcement yet.
The True Definition of Calories i.e. "Why what you believe is extremist BS"