PCP is on the DOT panel. It's synthetic.

Don't know if mushrooms of any sort produce a natural analog that's close enough to pop.

Also don't know if the 'shrooms in the drink might be related to "magic" mushrooms. Kind of doubt it.

Ask the company if their product is a "food" or "supplement". If it's sold as food it should be FDA regulated. Although even that's not 100% safe, the Navy had some people pop due to some poppy-seed bagles which had been made with some very potent imported poppy seeds.