Xanthoparmelia scabrosa is one of the few herbs that actually deserves the title herbal viagra. Xanthoparmelia is a lichen that grows throughout the world, including China, Australia and South America. Xanthoparmelia scabrosa has earned the name "herbal viagra" due to its actions that inhibit the enzyme PDE-5 which is responsible for reducing the strength and duration of erections.
Xanthoparmelia scabrosa has not been extensively studied in clinics - indeed, researchers aren't even sure which ingredients in this herbal viagra work so effectively, or if it's a synergestic effect caused by several of the chemical compounds working together.

Xanthoparmelia scabrosa has such a great Viagra-like effect because one of its biological actions mimics the action of Viagra on the body. Here's how it works: a compound called cyclic Guanosine MonoPhosphate (cGMP) allows the muscles around the penis to relax, causing blood to fill the penis and an erection to occur. There's another chemical compound, the enzyme Phosphodiesterase-V (PDE-5) that binds to and breaks down cGMP, therefore preventing erections.
Viagra works by disrupting PDE-5, allowing the body to achieve and maintain an erection. Xanthoparmelia scabrosa's active chemicals have a similar PDE-5 inhibiting effect -- thus the name herbal viagra.
There are reports of toxic esters appearing in some herbal viagra (xanthoparmelia scabrosa) samples. These toxins are very useful in killing cancerous cells, but also might be dangerous in large quantities. Thus the source of xanthoparmelia scabrosa can be very important. It's equally important not to exceed the recommended dosage of your herbal viagra capsules.
Not very much. Researchers don't even know which compounds in herbal viagra (xanthoparmelia scabrosa) cause the inhibition of PDE-5. It could be one specific chemical or the cooperative actions of several chemicals found in xanthoparmelia scabrosa.
Additionally, researchers have found that xanthoparmelia scabrosa contains compounds that may have the ability to eradicate cancer cells (as mentioned above).
It certainly seems so. Xanthoparmelia scabrosa has worked for thousands of men who choose not to take Viagra as an excellent herbal supplement. Xanthoparmelia scabrosa isn't as effective by itself as it is when combined with such proven herbal compounds as yohimbe and maca.
You should definitely make sure your virility pills contain xanthoparmelia scabrosa and see for yourself whether it works as herbal viagra for you.
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