choline, c5h14no+.vitamin-like essential nutrien molecule. it is a constituent of lecithin. structural chemical formula and

acetylcholine alanine ammonium atom atomic bilineurin c5h14no carbon cation chemistry cholin choline cholinum compound deficiency diet essential formula hydrogen icon illustration ion lecithin liver model molecular molecule neural neurine neurotransmitter nitrogen nutrient nutritional organic precursor pregnancy quaternary science sphingomyelin structure transaminase vector vitamin vitamine