Extremity Warmth, a circulation supplement designed to treat fingers and toes going cold and numb, increases blood flow naturally. This natural product is a result of thousands of years of traditional herbal wisdom, decades of clinical experience, and well documented scientific research. This simple formula consists of three herbs used for millennia to address countless different conditions related to circulation. Studies have shown that this combination of botanicals helps by dilating blood vessels, supporting connective tissue and decreasing inflammation, all of which improve and promote circulation.