How long can a fat person survive without eating?

Your body can meet the majority of your calorie requirements from stored fat, but total starvation is fatal in 8-12 weeks, regardless of initial body weight.

How long can you survive on fat?

A woman of average build, who exercises moderately intensively every day, burns about 2,000 kilocalories a day, and a man around 2,500 kilocalories. This means that you can live off your fat reserves for an average of 66 days (for a woman) or 53 days (for a man), as long as you don’t become more active.

How long can a 150 pound person go without food?

Experts believe it is possible for the human body to survive without food for up to two months.

Can an overweight person die of starvation?

Starvation has successfully been used to tre severe human obesity but may be dangerous due to excessive loss of body protein. Obese humans when starving use fat and spare protein as effectively as those animals that spontaneously undergo prolonged fasting after accumulating large fat reserves.