Barbury Wolfberry fruit P.E. Active Ingredient :PolysaccharidePart used:Fruit Appearance: Brown fine powder Product Content:30%-60%Analytical Method:UV Action and Used :It helps to maintain healthy immune system, improving eye conditions, support healthy liver function, and maintain healthy blood pressure and blood sugar.It is also an excellent herb for anti-oxidant and anti-aging.shelf life : 2 year when properly stored