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the following info summarizes some of the benefits of drinking these juices.

cranberry
contains an unknown polymeric compound which prevents bacteria from sticking to the lining of the urinary tract, which prevents urinary tract infections boosts the immune system
pomegranate
the most powerful antioxidant juice, containing even more polyphenols than green tea, red wine, and noni juice fights heart disease by preventing plaque build-up in the arteries and inhibiting oxidation of bad (ldl) cholesterol
blueberry
contains the same polymeric compound as cranberry juice which prevents urinary tract infections the second most powerful antioxidant juice (pomegranite is first) contains modest amounts of vitamin c and some beta-carotene, vitamin b1 and potassium has beneficial effects on blood vessels and the treatment of varicose veins

noni
not really a refreshing beverage, but more of a miracle supplement. it's supposed to have beneficial effects on, well, almost everything, including a.d.d., depression, fatigue, arthritis, eyesight and respiratory problems. i've never tried it, but it sounds like you'd drink 1-3oz. a few times a day if you were looking for health improvements. must be pretty potent. click here for an impressive list of nutraceuticals found in noni juice
prune
rich in iron, potassium and fiber contains modest amounts of vitamin a, vitamins b3 and b6 good for high blood pressure acts as a natural laxative
beet
contains folate, potassium and manganese beneficial for cleansing the body systems
apple
contains pectin, a soluble fiber, which helps the body to eliminate cholesterol and protect against environmental toxins can also be beneficial in treating arthritis or rheumatism contains vitamin c, phosphorus and is often enriched with calcium

lemon
rich in vitamin c contains calcium, copper, iron, magnesium, manganese, phosphorus, potassium and zinc beneficial for cleansing the body systems
orange
rich in vitamin c, and often enriched with calcium also contains beta-carotene, vitamins b1 and b6, folic acid, iron, magnesium, potassium and bioflavonoids
grape
rich in antioxidants contain resveratrol, which is believed to help reduce cholesterol and protect the heart beneficial for cleansing and detoxing contains a bit of potassium

carrot
the richest source of beta-carotene, an antioxidant contains vitamin c, potassium and other nutrients beneficial for the heart, circulation, eye sight, skin and lungs
grapefruit juice
stimulates the metabolism contains vitamin c, thiamine, phosphorus and folate