Cellfood Cell Food Sam-E is a dietary supplement containing S-adenosylmethionine (SAM-E), a naturally occurring compound found in all cells of the body that plays an important role in neurotransmitter production and protein synthesis. This product is used to improve mood, reduce symptoms of depression and anxiety, promote liver health, and improve joint function. It is important to follow the directions for use and consult a healthcare professional before starting to take this product. Ingredients The main active ingredient of Cellfood Cell Food Sam-E is S-adenosylmethionine (SAM-e).