Water and carbon dioxide are metabolic end products of oxidation of fats, proteins, and carbohydrates. Riboflavin is also necessary for the digestion of fats and carbohydrates. Macronutrients are fat, protein, and carbohydrates. Acetoacetate is an intermediate in the Krebs cycle which releases energy from sugars and carbohydrates. This makes it similar to resistant starches and other fermentable carbohydrates. Fish sauce has an insignificant amount of carbohydrates and fats. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats. Pancetta contains trace amounts of carbohydrates and no dietary fibre. Flax seed oil contains no significant amounts of protein, carbohydrates or fibre. Almond milk is lower in dietary energy, carbohydrates, and protein. Eating fewer simple carbohydrates such as sugar may help. The plant provided much needed carbohydrates and other nutrients. Beans are high in protein, complex carbohydrates, folate, and iron. Poppy seeds are rich in oil, carbohydrates, calcium and protein. Kinases act upon many other molecules besides proteins, lipids, and carbohydrates.