Walmark Permen Tablet 30 PCPermen contains a combination of herbal substances and L arginine. Ginseng helps to induce and improve erection. Ginseng also helps to counteract fatigue and to promote vitality. Tribulus terrestrispromotes virility and might enhance libido. It promotes sexual desire and capacity. L arginine is the precursor of nitric oxide, a molecule which in turn plays a key role in the regulation of blood circulation via its effects on blood vessels. Permen is