Research Area: Oxedrine, p-Synephrine, Sympatol, Parasympatol, Sympaethamine Biological Activity: Synephrine (Oxedrine) is a compound commonly used for weight loss. Synephrine has gained significant popularity as an alternative to ephedrine. Products containing bitter orange or synephrine are suspected of causing adverse cardiovascular reactions. Synephrine (Oxedrine) is derived primarily from the fruit of Citrus aurantium, a relatively small citrus tree, of which several of its more common names include Bitter Orange, Sour Orange, and Zhi shi. [1] |