Zarbee's Children's Nighttime Cough Syrup Plus Mucus helps to relieve coughs and soothes irritated throats. It is made with natural ingredients, including honey and a proprietary blend of botanical extracts. This syrup is designed to provide relief for children while also helping to ease mucus congestion. It is non-drowsy and free from harsh chemicals, making it a safe choice for nighttime relief. Product Benefits. Made With Natural.