The participants received a 25mg dose; I can assure you that such a dose is very much perceptible.
https://www.thelancet.com/journals/eclinm/article/PIIS2589-5...
https://www.thelancet.com/journals/eclinm/article/PIIS2589-5...
Yeah that dose you would notice a fair bit - it’s equivalent to about 2.5g dried cubes.