Supravit Valeriana Fast Cabassi & Giuriati Food Supplement Valerian Fast is a food supplement based on Valerian, useful for promoting sleep and a relaxing effect after only 10 min. Sedative in states of agitation and sleep disturbances. Freeze-dried extract of Valerian titrated at 0.42% in valerenic acid. How to use Take 1/3 tablets a day. Format Pack of 30 tablets.