Summer is here and it's time to take advantage of sunny weather to walk, jog, swim, ride a bike, in-line skate or jump rope. Gone are those cold, rainy days when all you could do is stare at the wall while exercising on the treadmill, elliptical trainer or stationary bike. Summer is a great time to start a cardio program! This article presents six of the best outdoor exercises you can do to cut fat and build aerobic fitness.

Acetyl-L-carnitine is a naturally formed derivative of the biochemical compound carnitine, and actively participates in the ß-oxidation of fatty acids. The major pathway whereby saturated fatty acids are catabolized occurs in the mitochondria of cells. In order for a saturated fatty acid to be catabolized, it must first enter the cell, get converted to a CoA derivative and then be transported across the inner membrane of the mitochondria.