Apple Cider Vinegar has been used for centuries to help with a variety of ailments because of its powerful cleansing qualities. Apple cider vinegar is a naturally occurring antibiotic and antiseptic. Filsinger’s Organic Apple Cider Vinegar is unpasteurized and unfiltered. It is made with their own certified organic apples, which are pressed and aged without preservatives or additives. Since Filsinger's Vinegar is unpasteurized, a mother of vinegar may form over time, and can be removed by straining.