Lactose is a type of sugar naturally found in milk and dairy products. It’s sometimes called “milk sugar.”

Examples of foods with lactose:

• Milk (cow, goat, sheep)
• Yogurt
• Cheese
• Ice cream
• Some baked goods and processed foods

EtymologyEtymology is the study of the origin and history of words. It’s like detective work, tracing how words have changed over time and moved between languages. Think of it like this: • Words have a long history, just like old family stories. • Etymology digs into those stories to see… Read More: The Word “Lactose”

The word “lactose” has a few interesting originsWhat is an origin? An origin is the starting point, the place or source where something begins. It’s like the very first chapter in the story of that thing. Examples: • The origin of a river: Where the river first starts to flow, like from a spring or a melting… Read More:

• Latin: comes from the Latin word “lac” or “lactis,” meaning “milk.”.
• Suffix “-ose”: This suffix is often used to denote sugarsSugar is a substance represented as a simple carbohydrate (a basic type of molecule made of carbon, hydrogen, and oxygen) that serves as a vital component throughout the body. It is the primary source of energy for most cells, acting like the body’s main fuel. Every part of the body,… Read More (think glucoseGlucose, a simple sugar (a sweet substance the body uses for energy), serves as a vital component in the human body, acting as the primary fuel for cells (tiny units that make up the body). Imagine the body as a bustling factory, where glucose is like the electricity powering the… Read More, fructoseFructose is a type of sugar found naturally in fruits and some vegetables. It’s also added to processed foods and drinks, contributing to its high consumption. Think of it like this: • Fructose is the sweetest of the naturally occurring sugars. • Your body processes fructose differently than other sugars,… Read More).

So, “lactose” literally translates to something like “milk sugar.”