At the age of 35, Priya (name altered), an IT specialist residing in Bengaluru, considered herself to be in decent health. Despite gaining some weight after years of working remotely, she maintained normal blood pressure and was not diabetic. Her LDL cholesterol level, often a focal point in health discussions, was slightly elevated at 120 mg/dL, with the optimal target being 100 mg/dL.
However, during her annual health examination, Priya discovered that her triglyceride levels had surged to 350 mg/dL, significantly exceeding the recommended limit of 150 mg/dL. While she was not overly concerned about her LDL cholesterol, the combination of elevated triglycerides and LDL levels posed potential risks to her heart health. There is frequently more focus on cholesterol, leading many to overlook triglycerides, which can serve as an early indicator of metabolic dysfunction, particularly among the Indian population.
Triglycerides represent the most prevalent form of fat in the body, functioning as energy reserves. After eating, the body utilizes immediate caloric needs for energy, converting any surplus—especially from sugars, refined carbohydrates, and alcohol—into triglycerides via the liver. These fats are then transported through the bloodstream and stored in fat cells for later use during periods of fasting or physical activity. Without triglycerides, the body lacks an efficient mechanism for energy storage.
Issues arise when caloric intake consistently exceeds caloric expenditure. Factors such as a sedentary lifestyle and diets rich in sugary beverages, sweets, and refined grains lead the liver to continually convert excess glucose into triglycerides. Over time, these fats accumulate in the bloodstream, as the body generates them faster than it can process or store them safely. Consequently, elevated triglyceride levels signal that the body’s metabolism is facing strain.
This phenomenon explains why individuals with low fat intake can still experience high triglyceride levels. It is often excessive sugar and calorie consumption, rather than dietary fats, that fuels the issue.
Chronic high triglyceride levels are linked to conditions such as insulin resistance, fatty liver disease, obesity, and Type 2 diabetes. They also heighten the risk of cardiovascular issues by increasing the presence of cholesterol-rich particles in the bloodstream and fostering the formation of smaller, denser LDL particles, which are more prone to infiltrating arterial walls and forming plaques. Extremely high triglyceride levels, typically exceeding 500 mg/dL, can lead to acute pancreatitis, a serious inflammation of the pancreas.
Recently, triglyceride levels ranging from 200 to 300 mg/dL have become increasingly prevalent among Indians, even among younger adults. Genetics do play a role; however, only a small fraction of individuals have triglyceride levels that stem predominantly from genetic factors. For most, the primary contributors are unhealthy lifestyle choices, weight gain, lack of physical activity, and excessive sugar and refined carbohydrate consumption.
Moreover, Indians tend to develop metabolic disorders at lower weight thresholds compared to many Western populations. Fat is often deposited around the abdomen, insulin resistance manifests earlier, and the liver begins producing triglycerides long before a diabetes diagnosis occurs.
This explains how someone may appear only slightly overweight while already facing elevated cardiovascular risks.
The encouraging aspect is that triglyceride levels are among the most responsive indicators to lifestyle modifications. Unlike many inherited cholesterol disorders, elevated triglycerides can often be significantly reduced once the underlying metabolic issues are addressed.
A reduction in sugar consumption is typically the initial step. Cutting back on sugary drinks, desserts, baked goods, and refined carbohydrates, while increasing the intake of vegetables, whole grains, legumes, lean proteins, and healthy fats, is essential. It is also advisable to regulate caloric intake according to individual body weight and to maintain at least a 12-hour fasting period between the last meal of the day and breakfast the following day.
Regular physical activity enables muscles to utilize triglycerides as a source of energy, preventing their accumulation in the bloodstream. Even modest weight loss can enhance insulin sensitivity and decrease the liver’s production of triglycerides. Many individuals may notice improvements in triglyceride levels within weeks of initiating lifestyle changes. Early intervention is key to reversing these trends.
For Priya, her health check became a pivotal moment for change. Rather than waiting for diabetes or cardiovascular disease to arise, she adopted a daily walking regimen, significantly reduced her sugar intake and processed snacks, lost weight, and observed a steady decline in her triglyceride levels. A weight loss of just 5-10% can lead to notable reductions in triglyceride levels. Lifestyle modifications remain the primary approach for addressing high triglycerides, although medication may be necessary if levels remain elevated despite changes in diet and exercise, particularly if they exceed 500 mg/dL.
(Dr. Shetty serves as the lead cardiologist and medical director at Sparsh Hospital in Bengaluru.)
