Garlic is rich in folic acid, vitamin C, calcium, iron, magnesium, potassium, and trace amounts of zinc, vitamin B1, B2, and B3. Garlic is a natural antibiotic and has strong antifungal and antiviral properties. It contains potassium and germanium, two minerals that contribute to overall health improvement. Its sulfur compounds, especially allicin, are well-known chemical constituents that enhance the immune system and act as a natural antibiotic.