Support healthy prostate function with NOW Foods Saw Palmetto Berries! Saw Palmetto (Serenoa repens) is a low-growing palm tree native to the southeastern United States. Saw Palmetto delivers a number of beneficial compounds, including flavonoids, sterols and fatty acids that may support prostate health. Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.