Nytol Herbal Tablets Nytol Herbal Tablets contain a blend of herbs specifically selected for their sleep inducing properties, to help you drift off to sleep. They are ideal for adults suffering from sleeplessness & you'd prefer to try a herbal remedy rather than medicinal tablets. Nytol Herbal Tablets contains three key ingredients that collectively offer a gentle nudge into the land of nod: Hops: These have a sedative effect & induce sleep. Valerian: This not only has sleep-inducing, sedative properties, but also helps to calm too. Passion Flower: This also works to soothe & induce sleep.