If it's powdered mushroom in the capsules, and it sounds like you already opened some up. It will be a grayish powder inside and it would taste and smell like mushrooms. I'm not saying that something else couldn't have been added. If you added it to water or a drink, the powder should have turned a dark indigo blue. If you didn't wait long enough to see that reaction, then you can simply open one up and drop a small drop of water and wait a min or two to see. Folks do make capsules for their personal use and may have just shared their stash with you. Someone could make more money selling the API/RC as is rather than passing it as mushrooms. There are plenty of dummies that will pay good money for unknown shit.
I dont think it turned that color. It felt like mushrooms but idk I guess you guys could be right
couldnt have hurt me. Lol