Here's a breakdown:

* Glucose: A simple sugar that is the primary energy source for most cells in the body.

* Non-carbohydrate sources: These can include:

* Amino acids: Building blocks of proteins.

* Glycerol: A component of fats.

* Lactate: Produced during anaerobic respiration.

In essence, gluconeogenesis is the body's way of making glucose when it's not readily available from dietary carbohydrates. This process occurs mainly in the liver and kidneys.