TrimTone For example, your body fat is 25% and you weigh 150 pounds. Convert your body fat percentage into pounds first. #4: Calculating Your Body Fat and Lean Body Mass. While low carb diets like TrimTone have proven to be very effective for losing weight, they've been the subject of scientific debate for many years. Genetics, history and food preference should be taken into account to choose what kind of food to be consumed for optimal health and fat loss. Conclusively, TrimTone diet is good at managing sugar levels and reducing Obesity to a great extent but this can be achieved by following Slow-carb or Low-carb diet without any side effects.