Mar 27, 2024 · Glucose, or blood sugar, is key to keeping the body in top shape. Read on to learn how it works, how to test it, and what to do if you have atypical levels.

A healthy blood glucose level for someone without diabetes is 70 to 99 mg/dL (3.9 to 5.5 mmol/L). Values between 50 and 70 mg/dL (2.8 to 3.9 mmol/L) for people without diabetes can be “normal,” too.

Glucose is a sugar with the molecular formula C 6 H 12 O 6. It is the most abundant monosaccharide, [4] a subcategory of carbohydrates. It is made from water and carbon dioxide during photosynthesis …

Apr 2, 2024 · Learn how your body uses glucose and what happens if your blood glucose levels are too high, how it's made and how it is consumed by the body

Nov 28, 2025 · glucose, one of a group of carbohydrates known as simple sugars (monosaccharides). Glucose (from Greek glykys; “sweet”) has the molecular formula C 6 H 12 O 6. It is found in fruits …

Glucose is a type of sugar and your body’s primary source of energy. It comes from the carbohydrates you eat and travels through your bloodstream to fuel your cells.

Sep 8, 2025 · Glucose is the body’s main source of energy. You get it mainly from carbohydrates that you eat, like sugar and grains. It is carried through your blood to the cells in your body, which use it …

Mar 6, 2024 · Your body processes the food you eat into glucose. Your blood carries glucose (blood sugar) to all of your body's cells to use for energy. Learn more.

Jul 19, 2025 · Glucose is a simple sugar, or monosaccharide, that serves as a primary energy source for most living organisms. It is a component of cellular respiration, where cells convert nutrients into …

Nov 28, 2025 · Sugar metabolism refers to the process by which the body breaks down, utilizes, or stores sugar for energy. Learn how it works and its effect on health.