Q:

Which diet plan can I use to lose 60 pounds in three months?

A:

Losing 60 pounds will require a plan that sheds roughly 210,000 calories over a period of three months, which may not be a realistic goal. However, any diet and exercise plan that maintains a daily caloric deficit will cause a person to lose weight. Australian filmmaker Joe Cross, however, was able to shed a total of 82 pounds on a 60 day juice fast, according to the Business Insider.

There are 3,500 calories per pound of body fat. However, burning 3,500 calories doesn't necessarily mean that a person burned 3,500 calories of fat, as the body also uses water, protein from muscle tissue and glycogen as fuel. Thus, 210,000 is actually a conservative estimate of how many calories will have to be cut from the diet to lose 60 pounds.

If the maximum safe caloric deficit, determined as being 1,000 per day, is maintained, then it would take a minimum of 210 days to achieve this goal, or about seven months. The basal metabolic rate (the amount of calories a person will need to take in daily to maintain their present weight) varies greatly according to age, gender, present weight and muscle mass; however, for some people, it is as low as 1,500 to 2,000 calories. This would involve maintaining a daily cumulative intake of 500 to 1,000 calories for a period of half a year.

Thus, it is extremely difficult to safely and effectively lose 60 pounds in such a short period of time. A safer (and likely more successful) program would be to run a daily deficit of 500 calories over a period of about a year in order to lose that much weight, according to CaloriesPerHour.com.

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