The active ingredient in Nytol depends on which product you’re using.
Nytol Original, Nytol One-A-Night, and Nytol Liquid Caramel all contain an active ingredient called diphenhydramine.
This ingredients works by reducing the amount of time it takes for you to fall asleep and helping you to get better quality sleep.
On the other hand, the Nytol Herbal range uses a natural ingredient called valerian root, which is traditionally used to relieve sleep disturbances and promote calm.
Some Nytol Herbal products also contain hop strobile and passion flower, which are also traditionally used to help you relax and fall asleep.