Promotes calm and relaxed behaviour in dogs during stressful events, such as travel, thunderstorms, fireworks and veterinary visits. Zylkene Chews 75 contains an ingredient of natural origin derived from milk protein which has calming properties. RECOMMENDED DOSE: Dogs weighing Less than 5 kg 1 chew once a day 5 kg to less than 10 kg 2 chews once a day Administer by mouth, 1-2 days before the predictable event (e.g. travel, thunderstorms, fireworks and veterinary visits). Water should be available at all times. The daily dose can be adapted as recommended by a veterinarian.