Prosta-Response 45 Tabs - Source Naturals Prosta-Response is a bio-aligned formula that supports multiple body systems involved with the health of the prostate. Prosta-Response supports hormonal regulation, cellular regeneration, antioxidant defense, the bladder, urinary tract and the body's natural soothing mechanisms. It delivers clinically researched amounts of saw palmetto extract and beta-sitosterol, plus quercetin, soy and lycopene. These antioxidants and compounds, along with essential vitamins and minerals, help maintain tissue and cell integrity, which are vital to prostate health.