text: can low carb diets be good for hearts?   yes, and in fact  a low carb diet  along  with 20 to 30 min of  cardio  a day  is  most beneficial for ones heart. also, if you choose to drink,  a glass of red wine is good for the heart as well. statistics prove this. if one is an alcoholic, stay away from all alcohol. also one cup of coffee or tea  a day is excellent for the heart also, as is a piece of chocolate. (it is the caffeine).  r.n.  -  with  masters  degree.