Mica shield is an extract of mushrooms. Comes in different flavors and a spray bottle t you can spray into your mouth and throat. I use this if i'm going on airplanes, if i'm out in public and if i'm around people who might be sick. Reduces the risk of contracting something through your ora nasal cabinGot it? That's great. So, mika shiel, throat spray. I like the cinnamon flavored one. What do you think of all thesehe like different berry extracts that seems they're getting pared with zinc and vitemens where they'll have it's just one berry that i think is s popping up all over the place.