Certified Potency®. Nutritionally Supports Healthy Prostate Function. Standardized Extract. Serenoa Repens. Certified Potency Saw Palmetto-Power 320 is the most potent and effective form of Saw Palmetto Berry Extract available all in a convenient one-a-day dose. A rich source of Fatty Acids and biologically active sterols Saw Palmetto-Power 320 is standardized with the greatest concentration of naturally-balanced active principles making it one of the world's finest and purest concentrated plant extracts. . Our exclusive FreshCare® System inhibits normal plant oxidation maintaining product potency and extending freshness. It includes oxygen-absorbing packets in each bottle special air-tight seals and amber glass packaging for uncompromised quality.