Fever-Tree Premium Indian Tonic Water is a bottled tonic that combines carbonated spring water, sugar, citric acid and natural flavourings including natural quinine.

The product is positioned by its producer, Fever‑Tree, as a premium Indian tonic using quinine and botanical oils to provide a clean, refreshing tonic suitable for pairing with gin and other spirits[4][5].

Nutritional information on retail labels lists sugars as 8.

9 g per 100 ml (equivalent to 89 g/L).