Do not refrigerate. The two products are different types of antioxidants. WheatZymes provides the building blocks for enzyme antioxidants, which are the body s first line of defense against free radicals. Proancynol provides another type of antioxidant. I heard that enzymes are destroyed by stomach acids.
Stomach acids are capable of destroying enzymes.
WheatZymes contains a natural enteric coating that helps protect the enzymes from stomach acids, allowing them to pass through the stomach into the small intestine for assimilation. Suggested Reading Borek, Carmia, Ph. Maximize Your Health-Span with Antioxidants . Keats Publishing, Inc. 1995. Lin, David J. Free Radicals and Disease Prevention .