Why is Non-HDL Cholesterol Low? Causes, Symptoms, and What to Do
Explore the causes of low non-HDL cholesterol, its implications, and when to consult a doctor.
Check your result
Calculated in your browser - the number is not sent anywhere.
is below the typical adult range (80–130 mg/dL).
is within the typical adult range (80–130 mg/dL).
is above the typical adult range (80–130 mg/dL).
This number is very far from the usual range - check which unit your report uses.
A value this far outside the range is worth discussing with your doctor today.
What a high result usually means
The range printed on your own report comes first - it differs between laboratories. This is not a diagnosis.
See it next to the rest of your report - upload it for a free, private explanationFree. Sign up with your email - no password, we send you a code.Non-HDL cholesterol is a measure that includes all the 'bad' types of cholesterol in your blood. Having low non-HDL cholesterol might seem beneficial, but understanding its causes and implications is important for your health.
What is Non-HDL Cholesterol?
Non-HDL cholesterol is a calculation that includes all the cholesterol types that are not high-density lipoprotein (HDL) cholesterol. It is derived by subtracting HDL cholesterol from the total cholesterol in your blood. Non-HDL cholesterol includes low-density lipoprotein (LDL) cholesterol and other types of cholesterol that can contribute to plaque buildup in arteries. It is considered a useful marker for assessing cardiovascular risk.
The typical range for non-HDL cholesterol in adults is 80 to 130 mg/dL. A level less than 130 mg/dL is desirable, with targets falling lower for those at higher cardiovascular risk, such as less than 100 mg/dL for high-risk individuals and less than 85 mg/dL for very high-risk individuals.
Why Does Low Non-HDL Cholesterol Matter?
While high levels of non-HDL cholesterol are associated with an increased risk of heart disease, low levels can also signify underlying health issues. Low non-HDL cholesterol might be linked to conditions such as hyperthyroidism (an overactive thyroid gland), malnutrition, or certain liver diseases. It's important to understand the cause of low non-HDL cholesterol to address any potential health concerns.
Causes of Low Non-HDL Cholesterol
Several factors can contribute to low non-HDL cholesterol levels:
- Hyperthyroidism: An overactive thyroid can increase metabolism, leading to lower levels of cholesterol in the blood.
- Malnutrition: Inadequate nutrition can reduce cholesterol production in the liver.
- Liver Disease: Conditions affecting liver function can alter cholesterol metabolism and lower non-HDL cholesterol.
- Genetic Factors: Some individuals may have a genetic predisposition to lower cholesterol levels.
Symptoms and Indications
Low non-HDL cholesterol itself might not cause noticeable symptoms. However, symptoms related to the underlying cause, such as weight loss, fatigue, or mood changes due to hyperthyroidism, may be present. It's crucial to discuss these symptoms with a healthcare provider to determine the cause.
What to Do If You Have Low Non-HDL Cholesterol
If your non-HDL cholesterol is low, it's important to work with your healthcare provider to understand the underlying cause. They may recommend additional tests to evaluate thyroid function, liver health, or nutritional status. Depending on the cause, treatment may involve addressing the underlying condition or making dietary and lifestyle adjustments.
Frequently asked questions
What is considered a normal range for non-HDL cholesterol? The typical range for non-HDL cholesterol in adults is 80 to 130 mg/dL. Levels less than 130 mg/dL are desirable, with lower targets for those at higher cardiovascular risk.
Can low non-HDL cholesterol be harmful? While not as commonly discussed as high cholesterol, low non-HDL cholesterol can indicate underlying health issues such as hyperthyroidism or malnutrition. It's important to investigate the cause.
How is non-HDL cholesterol different from LDL cholesterol? Non-HDL cholesterol includes all the 'bad' cholesterol types, including LDL, while LDL cholesterol is just one component. Non-HDL provides a broader assessment of cardiovascular risk.
When to see a doctor
If you have been informed that your non-HDL cholesterol is low, consider consulting a healthcare provider, especially if you have symptoms like unexpected weight loss, fatigue, or other changes in health. They can help determine the cause and recommend appropriate steps.
Decisions about your health should always be made in consultation with your healthcare provider.