NAF Value Apple Cider Vinegar. NAF Apple Cider Vinegar is used to support general health and vitality. NAF#s Apple Cider Vinegar is unpasteurised, meaning it retains all the natural goodness - known as the #Mother# - stripped by the pasteurisation process of mass produced alternatives. Feeding instructionsThis product can be fed to multiple species. Dosed at a rate of 2 teaspoons (10mls) into each litre of drinking water.