Wash and prepare all ingredients. Remember to include the core of the pineapple.
Run all ingredients through a juicer.
Depending on the type of juicer you have, it may be good to strain it through a fine mesh strainer.
Enjoy immediately. Depending on what kind of juicer you have, for most types of juicers, I recommend storing the juice in the fridge for no more than 24 hours.