VetIQ Healthy Calming Treats for Puppies contain a unique blend of lemon balm, chamomile and the amino acid L-Tryptophan to naturally calm and soothe your pet and can help with separation anxiety, noise phobia and hyperactivity. Not only do Calming Treats soothe, they are also a perfect bedtime treat containing no artificial nasties. Suitable for puppies from 4 weeks of age