l-Carnatine when used in large amounts for the wrong reasons can cause problems for the heart. Interestingly, taken properly under the direction of a good naturopath,it can help to build heart muscle. But I would not take it in large doses for extended period of time. Because yes, it has been linked to coronary problems when used as anything other than a medicine.
Living now in maintenence. Within a range of acceptable ups and downs on the scale. I always know that I must remain vigilant if I am to stay in maintenence. This is why I am grateful for 3FC community `