Difference between Glycerol and Glycine

What is the difference between Glycerol and Glycine?

Glycerol as a noun is 1,2,3-trihydroxy-propane or propan-1,2,3-triol; a trihydric alcohol while Glycine as a noun is a nonessential amino acid, amino-acetic acid, c2h5no2 found in most proteins but especially in sugar cane; the simplest amino acid.

We hope you now know whether to use Glycerol or Glycine in your sentence.