Science-Based Nutrition Helps Support Healthy Prostate Function Dietary Supplement Non-GMO - Gluten-Free- Soy Free Doctor's Best Saw Palmetto contains standardized saw palmetto extract guaranteed to supply 85% to 95% saw palmetto fatty acids and some beneficial plant sterols, which are the herbs's key active ingredients. Saw Palmetto has been widely studied for prostate-related urinary function. The extraction method used on this Saw Palmetto prevents solvent residues. Helps support healthy function of the prostate gland and urinary tract.