vitamins
Glucose
Nutrient - any substance in food that provides the necessary elements for life. They can be classified into macronutrients (needed in large quantities) and micronutrients (needed in smaller quantities). A balanced intake of nutrients is important for proper growth, development, and overall health.
Nutrient.
Substance refers to something that has material existence, often used to describe food or provisions needed to maintain life or health. It can also describe the essential element or quality of something.
chyme
it is called photosynthesis
The process of changing food into a simpler substance is called COMBUSTION
Meko
Over use of the substance called "Food".
A substance called "royal jelly".
A substance that speeds the changing of food into a usable form* is called an enzyme. More generally, in any chemical context, a substance that speeds a reaction without itself being changed is called a catalyst._______________________________________*This changing of food into a usable form is called "digestion".