Permen is a food supplement from Walmark containing herbal substances and L-arginine. It helps improve vitality and counteract fatigue through its combination of natural ingredients including ginseng and Tribulus terrestris. The product contains L-arginine which acts as a precursor to nitric oxide, an important molecule for blood vessel function and circulation. It comes in a package of 30 tablets and is suitable for long-term use. The formula includes ginseng to help promote vitality and Tribulus terrestris to support overall wellbeing.