i believe not i have put my impute into mot of these mushroom answeres i have no scientific explanation but i have done probly more mushrooms in a single sitting then whoever wants to know this in ur entire life i have eatin my onw picked dried 21 g baeocystes mushrooms 100s of times and i mean 100s your safe in the mushroom world do not excide your personal limitations mine are and i mean rediculously high none of my freinds can even come close to matchin 21 g dried do not do it if you cannot take it but if u can u are safe nothing if it is rough just think it will pass because it will and always will i kno it might be tough but it will always pass be safe
peace colin