Mulberry Leaf is believed to aid the control of blood sugar levels and cholesterol, ease constipation, make skin beautiful, and enhance dieting. The mulberry leaf contains many minerals and vitamins, but it’s most unique ingredient is 1-deoxynojirimycin (DNJ). DNJ is a phytochemical that can only be found in mulberry leaves, and studies have shown that when taken before meals it helps to stabilize blood sugar levels and aids in carbohydrate absorption. Mulberry leaves also contain zinc, potassium, iron, calcium, carotenoids, vitamins (A1, B1, B2, C), and are a great source of fiber. Caffeine-free.