Science-Based Nutrition Dietary Supplement Helps Support Healthy Prostate Function Non-GMO and Gluten Free Best Saw Palmetto Extract contains pure standardized Saw palmetto extract guaranteed to supply 85% to 95% fatty acids and beneficial plant sterols, which are the herb's key active ingredients. Extraction is done using carbon dioxide; the finished product is free of solvent residues. Helps Support healthy function of the prostate gland and urinary tract.