"Prostalan quattro - this herbal extracts and minerals complex. - Recommended as a source of fatty acids to maintain the reproductive function; - Product downed in plant extracts (Saw palmetto seeds) favors men"s health; - Zinc for normal fertility and reproduction, and also helps to maintain normal blood levels of testosterone; - Selenium is essential for normal spermatogenesis. composition 300 mg Serenoa repens seed extract (10 mg of standardized extract sitosterol) 300 mg Nettle leaf standardized extract, 55 mg of selenium and 10 mg zinc. Easy to use - Take 1 tablet a day every day and regularly. Recommended duration of use - 3 months or longer.