👉 Sigillarid is a type of protein found in the human body that plays a crucial role in regulating blood sugar levels. It is also known as glucagon-like peptide-1 (GLP-1) and is released by the pancreas to signal the body's cells to release insulin, a hormone that helps your body absorb glucose from food into your bloodstream. The term "sigillarid" refers to the protein specifically found in the human body that regulates blood sugar levels.