In its purest form, LSD looks like a white or colorless crystalline powder, has no scent, and might taste bitter. But in this type, even the smallest dose might be powerful and risky. What scientists do know is that LSD attaches to serotonin receptors on your own brain cells. Serotonin https://medium.com/@LsdWorld/the-future-of-lsd-research-and-potential-medical-uses-40ebd16dd150