Described herein are methods to purify alkaloids and amino acids. Also described are compositions and methods to treat or prevent a disease using the purified amino acids and alkaloids. The composition can be, for example, formulated into a beverage, a supplement, or formulated for use in e-cigarettes. Also described are methods of treating a disease such as Parkinson's Disease, Alzheimer's Disease, ADHD, ADD, vascular disorders, cancer, heart disorders, migraine headaches, cluster headaches, plaque reduction or aging using one or more of the purified alkaloids or amino acids.
