A weekend in the mountains was always a 'tonic' for him.
To her, classical music is a 'tonic'.
an herbal 'tonic'
(..) about Voldemort. Don't use that name! Here you go, boy. Bottom's up. - What's this? - Tonic for the nerves. What happened to me? - A love potion. - A bloody strong one at there. - I feel really bad. - You need to pick me up, my boy. (..)2009 Harry Potter and the Half-Blood Prince
(..) - Sure. Hello, everyone. You look dreadful, Ron. Is that why you put something in his cup? Is it a tonic? Liquid luck. Don't drink it, Ron. - You could be expelled for that. - What are we talking about? Come on, Harry, (..)2009 Harry Potter and the Half-Blood Prince