Bitter gourd: FYI-Bitter gourd is not really a vegetable but a fruit. Its juice contains many important nutrients like iron, magnesium, vitamin C, potassium and serves as an excellent source of dietary fiber. It contains twice the amount of calcium present in spinach and helpful in maintain blood sugar levels, lowers bad cholesterol levels, brings glow to your skin and making hair lustrous, cleanses the lever and cures hangovers, reduces weight loss, boosts immunity, and great for eyes.