naughty naughty Mr Contador....

Clenbuterol (clenbuterol hydrochloride) is a prescribed asthma medication which is catabolic to fat and anabolic to muscle. Clenbuterol is not a steroid hormone but a beta-2-symphatomimetic.

Clenbuterol can cause a solid, highly qualitative muscle growth which goes hand in hand with a significant strength gain. Clenbuterol also has a strong anti-catabolic effect, which means it decreases the rate at which protein is reduced in the muscle cell, consequently causing an enlargement of muscle cells. For this reason, numerous athletes use clenbuterol after steroid treatment to balance the resulting catabolic phase and thus obtain maximum strength and muscle mass. Please note, though, there are no scientific evidence these effects, that are proven in animals, also occurs in humans during the use of clenbuterol.

Clenbuterol works very effectively as a fat burner. It does this by slightly increasing the body temperature. The rise is not usually dramatic, a half of a degree, sometimes a little more but rarely more than one degree. This elevation is due to the body will burn excess energy (largely from fat) and is usually not uncomfortable.

The body will fight this, though, by cutting down on the amount of active thyroid in the body as well as through beta-receptor down regulation, which explains why clenbuterol is effective only over a limited time period.