 [ Symptoms ] triple bypass completed 7 months ago need my brother be concerned about exercise increasing my heart rate above 110  quit smoking before surgery and have lost weight he is 58 and walking every night for 40 minutes and climbing 50 stairs and a hill up and down he feels fine and does not feel it necessary to stop but someone told him he should not even be mowing a lawn because he has heart disease [ Disease ] i would not rely on a supplement to help a child lose weight first off dietary supplements are not regulated by the fda and their safety is not known second no supplement alone can solve a weight problem you need to find out why your child is carrying extra weight and work to change it i highly recommend you see a pediatric dietitian who can help you learn not just what to feed your child but how to feed them children are still growing so special care needs to be taken when it comes to diet and how they are treated about weight to prevent disordered eating you can find a dietitian in your area at eatright org