how many minutes do you have a work out in a day
1 Researchers found that women who were in the normal weight range at the start of the study needed the equivalent of an hour a day of physical activity to stay at a steady weight.(43)  If you are exercising mainly to lose weight, 30 minutes or so a day may be effective in conjunction with a healthy diet.
Physical activity is important for everyone, but how much you need depends on your age. Adults should do at least 2 hours and 30 minutes each week of aerobic physical activity at a moderate level OR 1 hour and 15 minutes each week of aerobic physical activity at a vigorous level.