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Clen and lung tissue.

athlete03

New member
Someone here (I forget who) posted a while ago that he'd read several studies saying clen is bad for lung tissue, but he didn't elaborate (to my knowledge). Does anyone else know anything about this?
 
I know it's a bronchiodialator used in the treatment of athsma, but this bro said he read studies saying it was bad for lung tissue, and therefore should not be used by endurance athletes.
 
athlete03 said:
Oxandrin, why do you say that?

its listed as one of the side effects when you go to its drug profile. but i am guessing its the chemical and the speeding up of your HR that causes the enlargement
 
Enlarged Heart?

bump for reply....Oxandrin do you have an article or study? I think I heard that once as well but would like some clarification.
 
Yeah, an enlarged heart is scary. Also, Oxandrin, could you tell me the web address of the site you're talking about?
 
This is just my theory but clen as well as ephedrine binds to beta-1-agonist receptor which are located in the heart.

Clen is more powerful than ephedrine so I think it would do more damage short term, but ephedrine is used for longer periods of time, so I would be more concerned with ephedrine use.
 
"This is just my theory but clen as well as ephedrine binds to beta-1-agonist receptor which are located in the heart."

Clen is considered a selective beta-2 agonist, but very few are totally selective, therefore clen can and will cross-react with the beta-1 subtype. Ephedrine, on the other hand, is non-selective, thus binding all 3 subtypes.

"Clen is more powerful than ephedrine so I think it would do more damage short term, but ephedrine is used for longer periods of time, so I would be more concerned with ephedrine use."

Clen is a stronger drug, mg/mg, compared to ephedrine, but because it is more selective for the beta-2 receptor, it is less cardio-toxic than ephedrine.

We can't yet jump to conclusions concerning cardiac hypertrophy, which many assume to be dangerous. Cardiac hypertrophy occurs with exercise and is considered beneficial. Some researchers have considered using beta-1 agonists for increasing heart strength for certain patients who are undergoing heart surgery.

Cardiac enlargement that IS considered dangerous tends to be associated with fibrosis of the heart, where sections of the heart tissue die and is replaced with scar tissue (fibrotic tissue), often due to blockage of vessels that supply blood to the cardiac tissue. Fibrous tissue has no elasticity and contractility, and is therefore non-functional.

Before anyone thinks that I am advocating large intakes of cardiac stimulants, let me clarify: I don't believe the use of large quantities of steroids, T-3, adrenergics, GH and insulin is beneficial to the heart, but I don't think that moderate use of one or more of these agents is deadly.
 
Cocky is correct. Clen is a selective beta-2 agonist that can and will agonize beta-1 receptors in cardiac tissue.

Left ventricular hypertrophy is somewhat common among bodybuilders and weightlifters, both natural and juiced. These are also the demographic that would use clenbuterol. Therefore one would need to examine these studies to come to any real conclusions. I would also be interested in seeing a drug profile for clen that states heart enlargement as a side effect...one that comes from a manufacturer.
 
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