Cactus juice, also known as nopales or prickly pear juice, is healthy. FitDay notes that cactus juice contains vitamins A and C, magnesium, calcium, phosphorus and potassium.
The Mayo Clinic explains that preliminary evidence suggests that cactus juice may lower blood sugar levels in those who suffer from type 2 diabetes. WebMD notes that consuming cactus juice prior to imbibing quantities of alcohol may reduce some hangover symptoms. FitDay states that cactus juice may also prevent inflammation, ease constipation, lower cholesterol, inhibit tumor growth and reduce pain. Because it contains high levels of antioxidants, flavonoids and amino acids, cactus juice may promote cellular health, detoxify the body and prevent premature aging. WebMD warns that more research is needed to verify the health benefits of cactus juice.