Total Cholesterol 144 mg/dL: Is That Low?

Is Total Cholesterol 144 mg/dL Low, Normal, or High?

Total cholesterol 144 mg/dL is considered low based on standard clinical reference ranges. Most health organizations, including the American Heart Association and the National Heart, Lung, and Blood Institute, define desirable total cholesterol as under 200 mg/dL. While being well below that threshold might sound like great news, a reading of 144 mg/dL is unusually low and may warrant a closer look. Your doctor will want to understand why your cholesterol is this low, especially if it has dropped significantly from previous readings. Low total cholesterol is not automatically a problem, but it is worth exploring the full picture behind the number.

A total cholesterol level of 144 mg/dL falls just below the generally accepted healthy range, indicating a slightly lower-than-optimal measurement that warrants attention. While high cholesterol often dominates health discussions, a value of 144 mg/dL suggests a potential underlying factor that merits investigation. This isn't usually a cause for immediate alarm, but rather a signal to look deeper into your overall health picture. Common reasons for total cholesterol to dip into this lower category include an overly restrictive diet lacking sufficient healthy fats, mild malabsorption issues, or an overactive thyroid (hyperthyroidism), which can increase metabolism and reduce circulating cholesterol. Less frequently, certain medications or liver dysfunction could also contribute. To understand why your cholesterol is 144 mg/dL, your doctor will likely recommend a comprehensive lipid panel to assess your LDL, HDL, and triglyceride levels, as well as blood tests to check thyroid and liver function. They will also review your dietary habits and current medications. An important detail to know is that your body needs cholesterol for vital functions like hormone production, vitamin D synthesis, and building healthy cell membranes; therefore, persistently very low levels, while not indicated by a single 144 mg/dL reading, can sometimes be problematic. The primary goal is to identify and address the root cause of this slightly reduced level, ensuring your body has the resources it needs.

Hidden Risk of Total Cholesterol 144 mg/dL

A total cholesterol of 144 mg/dL often gets overlooked because most conversations about cholesterol focus on high readings. But very low cholesterol carries its own set of concerns that are less commonly discussed. Research from the National Institutes of Health has explored links between very low cholesterol and certain health outcomes that deserve attention.

While typically high cholesterol is the concern, a total cholesterol level of 144 mg/dL, falling below the standard reference range, warrants attention for potential underlying issues. Significantly low cholesterol can sometimes be associated with an increased risk of certain conditions, including hemorrhagic stroke, where the brain bleeds, and may also be linked to poorer outcomes in critically ill patients. It can also be a marker for malnutrition or malabsorption, where the body isn't effectively absorbing or synthesizing necessary fats and proteins, impacting cellular function and energy. Furthermore, very low levels can affect hormone production and neurotransmitter function, potentially leading to mood disturbances or neurological symptoms that require investigation.

• Some studies have found associations between very low total cholesterol and increased risk of hemorrhagic stroke, though the connection is still being researched
• Cholesterol plays a critical role in hormone production, cell membrane structure, and vitamin D synthesis. Very low levels may affect these processes
• Low cholesterol can sometimes be a sign of an underlying condition such as hyperthyroidism, liver disease, malnutrition, or malabsorption issues
• Certain medications, chronic infections, or severe illness can push total cholesterol unusually low as a secondary effect
• Mental health research has explored potential links between very low cholesterol and mood changes, though findings remain mixed and no firm conclusions have been drawn

What Does a Total Cholesterol Level of 144 mg/dL Mean?

Total cholesterol is a combined measurement of several types of cholesterol and fats in your blood. The basic formula is: total cholesterol equals LDL cholesterol plus HDL cholesterol plus 20 percent of your triglycerides. So when you see a total cholesterol number, it reflects multiple components working together rather than a single type of fat.

A total cholesterol reading of 144 mg/dL, being below the expected range, points to several plausible contributing factors rather than generic low levels. Very low-fat diets, especially those that severely restrict essential fatty acids, can directly lower cholesterol synthesis. Certain medications, particularly those used to treat hyperthyroidism or specific cancer treatments, can also have a significant cholesterol-lowering effect. Underlying medical conditions such as hyperthyroidism, where the thyroid gland is overactive, accelerate metabolism and can lead to decreased cholesterol levels. Additionally, malabsorption syndromes like celiac disease or Crohn's disease, which impair nutrient absorption in the gut, can result in diminished cholesterol production and lower circulating levels.

Your body needs cholesterol. It is not simply a harmful substance. Cholesterol is essential for building and maintaining cell walls, producing hormones like estrogen and testosterone, creating bile acids that help you digest food, and synthesizing vitamin D. Every cell in your body uses cholesterol as part of its structure.

At 144 mg/dL, your total cholesterol is significantly below the desirable range of 150 to 199 mg/dL. For some people, this is simply their natural baseline driven by genetics, diet, and lifestyle. For others, it could signal that something else is going on. Your doctor will want to look at each component of the lipid panel individually. For example, if your HDL (the protective cholesterol) is very low, even a low total number might not be as reassuring as it first appears.

It is also important to understand that cholesterol levels are just one factor in overall health. A reading of 144 mg/dL does not tell the full story on its own. Your doctor will interpret it alongside your other lab results, medical history, and lifestyle factors to form a complete assessment.

Lifestyle Changes for Total Cholesterol 144 mg/dL

If your total cholesterol is 144 mg/dL and your doctor has ruled out underlying conditions, the focus shifts to making sure your body is functioning well overall. Regular physical activity supports healthy cholesterol balance. The American Heart Association recommends at least 150 minutes of moderate-intensity aerobic exercise per week, such as brisk walking, swimming, or cycling. Exercise tends to raise HDL cholesterol, which is especially important when total cholesterol is on the low side.

If your total cholesterol is 144 mg/dL, focus on a targeted re-evaluation rather than immediate supplementation. Schedule a follow-up appointment to discuss this specific result, emphasizing recent dietary changes or any new medications. It's advisable to track your intake of healthy fats, such as those found in avocados, nuts, and olive oil, ensuring adequate caloric consumption. Your healthcare provider may recommend further tests to investigate potential causes, such as thyroid function tests or markers for malabsorption, before considering any interventions. Avoid self-treating with high-fat foods or supplements; let the clinical context guide the next steps.

Maintaining a healthy weight is another key factor. Being significantly underweight can contribute to low cholesterol levels. If weight loss has been unintentional, it is worth mentioning to your healthcare provider. Sustainable body weight management supports stable cholesterol production.

Sleep quality also plays a role in cholesterol regulation. Research suggests that chronic sleep deprivation can alter lipid metabolism. Aiming for seven to nine hours of quality sleep per night supports your body's natural processes, including cholesterol production and balance.

Stress management matters as well. Chronic stress affects your hormonal balance, and since cholesterol is a building block for hormones, prolonged stress may influence your lipid profile in subtle ways. Finding consistent ways to manage stress, whether through exercise, spending time in nature, or simply resting, contributes to overall cardiovascular and metabolic health.

Written by

Ernestas K.

Clinical research writer specializing in human health, biology, and preventive medicine.

Reviewed against AHA, NIH, ACC, Mayo Clinic, PubMed guidelines · Last reviewed March 20, 2026