Which of the following is not a product of glycolysis?

Glycolysis does not produce amino acids.

Glycolysis is a metabolic pathway that takes place in the cytoplasm of cells and involves the conversion of a single molecule of glucose (a six-carbon sugar) into two molecules of pyruvate (a three-carbon compound). 

ATP (adenosine triphosphate) is released as energy during this process, and the coenzyme NAD+ is reduced to NADH. 

The glycolysis products are two ATP molecules, two NADH molecules, and two pyruvate molecules. 

Amino acids are not produced during glycolysis, but they can be broken down to produce energy in other metabolic pathways.