Source Naturals Red Wine Extract with Resveratrol provides the heart-health benefits of red wine without the alcohol, sulfites, headaches or excess calories. Worldwide research has shown that the components of red wine, including polyphenols and anthocyanidins, support the cardiovascular system by promoting healthy blood flow and strengthening capillaries. Red Wine Extract with Resveratrol also provides antioxidant protection, promotes cholesterol wellness, and balances the immune system.