A member asked:

I take l-argenine for improved blood flow to the penis and it works! it aggravates my mild asthma some, but i tolerate it. is it ok to keep taking?

A doctor has provided 1 answer
Dr. Nabeel Farooqui answered

Specializes in Allergy and Immunology

Not a good idea: Endogenous nitric oxide (NO) is involved in the pathogenesis of asthma and can lead to inflammation and contraction of the airways. NO is actually produced by the metabolism of L-arginine. So if you are supplementing with this substance, you could in theory increase the NO in your body leading to worsening asthma symptoms. http://www.mayoclinic.org/drugs-supplements/arginine/safety/hrb-20058733

Answered 5/24/2015

3.8k views

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