Everyone is different in the amount of exercise they need to lose weight. For general health, everyone over 18 years should be doing at least 150 minutes of moderate to vigorous type physical activity each week. 

Here are some other things to keep in mind:

1. Caloric balance. The equation of energy in versus energy out is somewhat true, so if you overeat calories, exercise may not be enough. 
2. There are genetic differences. Yep, truth. Some people lose weight more effectively when exercising 30-60 minutes most days of the week, while some people won’t see a benefit in terms of weight loss for more than 150 minutes per week. The good news is, Nutrigenomix(R) testing can help you to know which genetic type you are.