L-arginine has been an extremely popular supplement for not only athletes but also those looking to have improved blood pressure. With all the supplements available today, you can find a “miracle cure” for almost anything. The question that needs to be answered, and the question that determines whether or not a supplement stands the test of time is simple. “Does it work?” If it works, customers will come back and the product will be a success. L-carnitine is another supplement that has grown in popularity and justifiably so. It is a supplement that answer yes to the aforementioned question. To complement regiments of l-arginine you may want to look at l-carnitine. It is a natural fat metabolizer that helps your body transfer fat from its storage cell to the mitochondria to be used as energy. Great combination of features in this supplement, burn fat and increase energy, what’s not to like.