I would like it if healing would have several treatment options for each kind of wound. Some might be less effective, others might be more expensive to create, even others might have side effects - but I like to have options.
Would, if anything, perhaps be neat if fats were a bit more differentiated, so that the standard recipe could ask for something more generic. Idk. Marginal.
"The psychological trials of dwellers in the last times will be equal to the physical trials of the martyrs. In order to face these trials we must be living in a different world."