Which kind of diet supplement helps you lose weight and build muscle mass?

Exercise & protein. Any vigorous exercise will do; weight training may be more effecive. To lose weight, you will need to reduce your caloric intake while maintaining protein intake of about one gram/kg of body weight. Diet alone will not add muscle mass, you need to exercise.

Related Questions

What is the best supplents to take to loose weight. I need to loose about 40lbs with out looseing muscle mass.?

Diet and exercise. The best way to lose weight is diet and exercise. Increase your physical activity by 30 minutes a day, and decrease your calorie intake by 25% and you should lose weight. Read more...
Healthy weight loss. The best way to lose weight is diet & exercise. You should: 1) how many calories you take in daily & work on eating healthier food 2) start a manageable, consistent workout regiment (exercise 30-45 min/day for 4 days/week) 3) sleep 7-8 hrs/day. Supplements alone don't result in sustainable weight loss. Some supplements include Alli and chitosan. Pills always have the possibility of side effects. Read more...
HCG. Some weight loss centers are using HCG injections which is showing promise and is reasonably safe - there are certain conditions where this is inappropriate. Read more...