By all means, if you have a juicer (manual or automated), fresh squeezed ruby red grapefruit juice is the best! Some grocery stores also sell fresh squeezed juices in their produce section. If fresh squeezed isn’t an option, a premium, not-from-concentrate juice is the way to go. If you’re really ambitious, you can also produce fresh squeezed pomegranate juice. Tori Avey has a great tutorial on how to cut, seed and juice pomegranates.