Grapefruit juice

Grapefruit juice is the liquid extracted from the flesh of grapefruits, a citrus fruit. It is typically produced by squeezing or reaming the fruit. The juice can be consumed fresh, pasteurised, or concentrated for later use.

Grapefruit juice is primarily used as a flavouring ingredient, providing a tart and slightly bitter taste. It is commonly found in beverages like fruit juices, soft drinks, and alcoholic mixers. It can also be used in marinades, dressings, and desserts to add a citrus note.

Grapefruit juice is not considered a food additive and does not have an E-number. It is a source of vitamin C and other nutrients. However, grapefruit juice can interact with certain medications, affecting how they are metabolised in the body. The NHS advises individuals taking medication to consult their doctor or pharmacist about potential interactions. Evidence on the long-term health effects of regular consumption of grapefruit juice at typical dietary levels is mixed, with some studies suggesting potential benefits and others highlighting risks, particularly concerning medication interactions.