Many of them lead trials that require magic mushrooms. Take into consideration hunting into that by contacting biology / neuroscience / psychology departments at diverse universities. Magic mushrooms on their own aren’t banned inside the US — it’s their active components, psilocybin and psilocin. Magic mushrooms are deemed a “container” https://psilocybinshroombars.co.uk/product/the-duo-chocolate-mushroom-bar/