Sweet Lime is rich in Vitamin C, with almost 50 milligrams, a little more than half the daily requirement for an adult male and three-fourths of that for an adult female. Sweet limes also have potassium, phosphorous, iron, calcium, copper and phosphorus. This fruit is high in flavonoids, which can settle an upset stomach and generally promote healthy digestion. Sweet limes also boost liver function, and as a result, are helpful in treating jaundice The juice of this fruit juice also has antiseptic and antibacterial properties; helping relieve skin irritation and insect bites as well as remove blemishes or acne.