Big impact: No soft drinks anymore, just water Big impact: Reduce sugar intake to max 25g a day Medium impact: interval fasting (16/8) Small impact: Fitness.

Big impact: No soft drinks anymore, just water Big impact: Reduce sugar intake to max 25g a day Medium impact: interval fasting (16/8) Small impact: Fitness. I do a lot, but frankly fitness just doesn't have much of an impact on losing weight. I'm 34 and keeping my weight of 80kg that way for many years now.