I noticed years ago that if I’m stuffed up, my breathing gets better in about 20 minutes if I take serrapeptase, a proteolytic enzyme originally isolated from silkworms. (The kind sold in supplements is created by a fermentation process; no silkworms are harmed or killed.) Serrapeptase is used medicinally in Europe and Japan but is … Continue reading My Supplements: Serrapeptase and Nattokinase