the reason you use butter or oil to bake with is becuase the THC is highly soluable in fat and alcohol. thats why when you make hash...you can use pure alcohol. Solubility is completly different from the way your body digest things. If you put it under your toung, or eat it. the acids in your saliva and bile in your stomac will break down the structures of the crystals until they are small enough to be absorbed into the blood streem (your lungs do the same thing when you enhale it....puts it into the blood streem)