👉 Isocinchonine is a compound composed of two carbon atoms and one hydrogen atom. It is the primary metabolite in the isocinchoninone pathway, which is involved in the biosynthesis of essential fatty acids such as linoleic acid and beta-omega-3 polyunsaturated fatty acids (PUFAs). Isocinchonine plays a crucial role in the body's energy production, providing a source of FADH2 (adenosyl fumarase)