A YouTuber completed a seven day fast while drinking only water, and a video breakdown revealed what happens inside the body during an extended period without food. The experiment highlighted major physical and mental changes throughout the week, reports LADbible.
He stopped eating for an entire week
YouTuber Justin Dorff decided to go seven full days without eating any food. During the fast, he only drank water to stay hydrated.
He lost several kilograms during the fast
By the end of the experiment, he had lost 4.5 kilograms. According to the article, the weight loss was linked to the body changing the way it produced energy.
He felt exhausted before starting
Before beginning the fast, Justin explained that he had been feeling tired, stressed, and physically worn down for months. He also said junk food cravings had become a regular problem.
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The body quickly loses its normal fuel source
The video explained that insulin levels begin to drop once the body no longer receives glucose from food and drinks.
The body enters ketosis
After going without food for a longer period, the body starts switching to a different energy system known as ketosis.
Fat stores begin supplying energy
According to the breakdown, the body starts using stored glucose from fat cells instead of relying on incoming food for fuel.
The first days caused rapid weight loss
The video stated that much of the weight loss happens during the first few days of fasting as the body reacts to the sudden lack of food intake.
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Some people fast to reach autophagy
The article also mentioned autophagy, a process in which the body begins repairing and breaking down its own damaged cells during extended fasting.
The first days were the hardest
Justin Dorff admitted that he felt drained and low on energy during the beginning of the experiment. He described the period as both physically and mentally difficult.
Things changed after several days
Between day four and day six, he noticed a major shift in how he felt. He said his energy and focus improved significantly.
His brain began using ketones
Justin explained that his body switched from using glucose to ketones as fuel, which also affected his hunger levels and concentration.
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He experienced greater mental clarity
During the final part of the fast, he said he felt more focused, mentally sharper, and in a noticeably better mood than before.
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