If you are interested in a more prolonged and gradual experience, do not use lecithin. More THC will be metabolized by the body, making the psychotropic effects more intense. Lecithin minimizes the long-acting effect edibles have by allowing a faster absorption. You receive more medicinal benefits from the cannabinoids without increasing the amount of cannabis you use. More importantly, lecithin improves bioavailability which is the degree and rate that the body can absorb and process the cannabinoids. This will increase the likelihood that each portion contains about the same dosage of cannabis. Lecithin helps keep them consistently dispersed and bound together so that it facilitates an evener distribution of cannabis in your edible product. Water and fats typically repel each other. The reason that lecithin makes such a good emulsifier is that it is suited to combining oil in water AND water in oil. Its function is to act as a barrier so that the emulsified product stays stable for a long time. A phospholipid is a fat molecule which makes up cell membranes. But it is also a phospholipid emulsifier. What is lecithin? It is an emulsifier, a substance that helps ingredients bind together. How Adding Lecithin Affects Your Cannabis Edibles