Parsley contains many vitamins and minerals that provide health benefits. It is high in vitamins A, B, C, K and antioxidants, as well as calcium, magnesium and iron. Parsley has been used for over 2000 years both as a culinary garnish and for medicinal purposes, as it can help fight illnesses like colds due to its high vitamin C content. It also aids in digestion and eye health. Regular consumption of parsley may help with conditions like stomach problems, asthma, ear issues, rheumatism, high blood pressure, kidney problems and diarrhea.