This plant originated in the Mediterranean and has been used for centuries for its potential medicinal properties. Artichoke extract, which contains high concentrations of compounds found in the plant, is also increasingly popular as a supplement. NUTRIENT CONTENT : Artichokes are low in fat, high in fiber, and loaded with vitamins and minerals like vitamin C, vitamin K, folate, phosphorus, and magnesium. They are also one of the richest sources of antioxidants.