triglyceride
C2Pronunciation
UK
- /trˈɪɡlɪsərˌaɪd/
US
- /traɪˈɡlɪsərˌaɪd/
Description
- Fat in your blood
- storage form of fat
- energy source
Imagine you've just enjoyed a good meal. Your body takes some of the extra energy from food, especially fat and sugar, and turns it into triglycerides. These act like stored fuel for later use. They travel in your blood and can be stored in fat cells until your body needs energy. If the level gets too high, it can be a sign of health problems, so doctors often check it during a routine blood test. Think of it as checking how much spare fuel your body is carrying.
These aren't always bad. We need them. But balance matters. Eating too much sugar, drinking too much alcohol, or taking in more calories than your body uses can raise the level. You might hear about "high triglyceride levels" when people talk about heart health or cholesterol. It's a common term in everyday medical advice.
Triglycerides are a common form of fat that your body uses to store energy. After you eat, your body takes energy it does not need right away and changes much of it into triglycerides. These then move through the blood and are stored in fat cells for later use. When your body needs energy between meals or during exercise, hormones help release that stored fuel.
The word describes a molecule made of one glycerol part joined to three fatty acids, which is where the "tri-" comes from. In simple terms, it is one of the body's main ways of packing away energy for later. This is normal and necessary. Without this system, your body would have a much harder time saving energy from food.
Problems begin when the level in the blood stays too high. This can happen if a person regularly eats more calories than they use, especially from sugar, refined carbohydrates, alcohol, and some fats. High levels are linked with a greater risk of heart disease and can also raise the risk of pancreatitis, especially when the number becomes very high. Doctors often measure this level as part of a lipid panel, a blood test that looks at different kinds of fats in the blood.
You'll often hear the term in conversations about diet, exercise, weight, diabetes, cholesterol, and heart health. In everyday use, it usually refers either to this stored fat itself or to the number shown on a blood test. So the idea is not that this kind of fat is bad on its own. It is a normal part of life, but it should stay in a healthy range.
Examples
- 1
Blood test
The blood test showed that his triglyceride level was slightly high.
- 2
Health advice
Her doctor told her to exercise more and eat less sugar to lower her triglycerides.
Meaning
triglycerides
the amount of this fat measured in your blood
- 3
Heart risk
High triglycerides can raise the risk of heart disease, especially when cholesterol is also high.
Forms and spellings
2 forms open this card.
Main spelling
- triglyceridenoun
Forms
- triglyceridespluralnoun