High triglycerides can be managed with a combination of lifestyle changes and, when needed, prescription medications. The right approach depends on how high your levels are: below 150 mg/dL is normal, 150 to 199 is mildly elevated, 200 to 499 is moderate, and anything above 500 is severe. For mild to moderate elevations, diet and exercise changes alone often do the job. Once levels climb above 500, medications become important to reduce the risk of pancreatitis.
Why High Triglycerides Matter
Triglycerides at moderately elevated levels contribute to cardiovascular disease over time, but the more immediate danger comes at very high levels. The risk of acute pancreatitis, a painful and potentially life-threatening inflammation of the pancreas, rises sharply once triglycerides exceed roughly 885 mg/dL and becomes particularly high above 1,000 mg/dL. That’s the main reason aggressive treatment is recommended for severe elevations. At moderate levels, the concern shifts to long-term heart disease risk, which is why your provider will also consider factors like diabetes, existing heart disease, and your overall cholesterol profile when deciding on treatment.
Dietary Changes That Lower Triglycerides
Diet is the first-line treatment at every triglyceride level, and for many people it’s the most powerful tool available. Your liver converts excess sugar and refined carbohydrates into fat through a process called de novo lipogenesis. When you eat more carbohydrates than your body needs for energy, the liver transforms that glucose into fatty acids, packages them into triglycerides, and ships them into your bloodstream. This is why cutting back on added sugars, white bread, sugary drinks, and other refined carbs can produce noticeable drops in triglyceride levels.
The dietary changes that matter most:
- Reduce sugar and refined carbs. Sodas, fruit juices, white rice, pastries, and candy are the biggest dietary drivers of triglyceride production in the liver.
- Limit or eliminate alcohol. Alcohol increases triglyceride production in the liver by boosting the formation of VLDL particles, which carry triglycerides through the bloodstream. In one study, just two alcoholic drinks raised fasting triglycerides by 53% in people with normal levels. For some people with high triglycerides, levels normalize completely after stopping alcohol.
- Eat more fatty fish. Salmon, mackerel, sardines, and other cold-water fish provide omega-3 fatty acids that help lower triglyceride production.
- Replace saturated fats with unsaturated fats. Olive oil, nuts, and avocados are better choices than butter, red meat, and full-fat dairy.
One case study illustrates how dramatic lifestyle changes can be: a patient with extremely high triglycerides (above 3,900 mg/dL) brought levels down to about 290 mg/dL within a year through diet and lifestyle modifications alone, with blood work checked every four months to track progress.
Exercise and Weight Loss
Regular physical activity lowers triglycerides by helping your muscles burn fatty acids for fuel. You don’t need extreme workouts. Moderate aerobic exercise, like brisk walking, cycling, or swimming for 30 minutes most days, makes a meaningful difference. Losing even 5 to 10% of your body weight, if you’re carrying extra, tends to produce significant triglyceride reductions on its own. Exercise and weight loss together amplify the effects of dietary changes.
Prescription Medications
When lifestyle changes aren’t enough, or when triglycerides are severely elevated, medications become part of the plan. Current guidelines from the American College of Cardiology recommend prioritizing triglyceride-lowering drugs when levels reach 500 mg/dL or higher, primarily to prevent pancreatitis. For moderate elevations with elevated heart disease risk, statins are typically the starting medication.
Fibrates
Fibrates are among the most effective drugs for lowering triglycerides specifically. Fenofibrate and gemfibrozil are the two most commonly prescribed. Research shows fibrates can decrease triglycerides by about 50%, making them a go-to option for severe elevations. They work by helping the body break down triglyceride-rich particles in the blood more efficiently. Your provider may prescribe a fibrate alongside a statin, though the combination requires monitoring because it can increase the risk of muscle-related side effects.
Prescription Omega-3 Fatty Acids
Prescription omega-3 products are FDA-approved specifically for adults with severe hypertriglyceridemia (500 mg/dL and above) at a dose of 4 grams per day. These are not the same as the fish oil capsules you’d buy at a pharmacy or grocery store. Prescription versions are highly purified, quality controlled, and free of contaminants like cholesterol, saturated fats, and oxidation byproducts that frequently show up in retail supplements.
One prescription omega-3, an EPA-only formulation, has an additional indication beyond just lowering triglycerides. It’s also approved to reduce the risk of heart attack, stroke, and other cardiovascular events in adults with elevated triglycerides (150 mg/dL or higher) who already have heart disease, or who have diabetes plus two or more additional cardiovascular risk factors. This distinction matters: it’s one of the few triglyceride treatments proven to reduce actual cardiovascular events, not just improve a number on a lab report.
Statins
Statins are primarily prescribed for high LDL cholesterol, but they also lower triglycerides to a moderate degree. For someone with both high LDL and moderately elevated triglycerides, a statin may address both problems. Guidelines recommend considering statin therapy for moderate hypertriglyceridemia when 10-year cardiovascular risk is also elevated.
Niacin: Effective but Problematic
Niacin (vitamin B3) in high doses has long been known to lower triglycerides and improve other lipid markers. Clinical trials have used doses of 1,500 to 3,000 mg per day, far higher than the amounts in a typical multivitamin. At these doses, niacin can reduce certain harmful blood fats by nearly 40%.
The problem is tolerability. About 70% of people taking niacin experience skin flushing, a warm, red, itchy sensation that can be intense enough that roughly 20% of participants drop out of clinical trials because of it. Beyond flushing, high-dose niacin can cause heartburn, nausea, and stomach pain. It also reduces insulin sensitivity (a concern for anyone with diabetes or prediabetes), can cause liver damage (especially in sustained-release forms), and occasionally triggers gout by raising uric acid levels. Because of these side effects, niacin has fallen out of favor compared to fibrates and prescription omega-3s.
Over-the-Counter Fish Oil Supplements
Many people reach for fish oil capsules at the drugstore, but there’s an important distinction between retail supplements and prescription omega-3s. Dietary supplements are not approved to treat any medical condition and are not held to the same regulatory standards as prescription drugs. Independent testing has repeatedly found that over-the-counter fish oil products contain variable amounts of EPA and DHA, inconsistencies between what’s on the label and what’s in the capsule, and unwanted ingredients including cholesterol, saturated fats, and oxidation products.
That doesn’t mean fish oil supplements are worthless, but if your triglycerides are high enough to require treatment, a retail supplement is not a substitute for a prescription product. The doses needed to meaningfully lower triglycerides (4 grams of omega-3 fatty acids per day) are difficult to achieve with standard store-bought capsules, and you can’t be confident about what you’re actually getting.
How Long Until Levels Improve
Most providers will recheck your triglyceride levels after about 8 to 12 weeks of starting treatment, whether that’s lifestyle changes, medication, or both. Some people see dramatic improvement within months. In cases of severe elevation, blood work may be repeated every four months to track progress and adjust the plan. Medications like fibrates tend to work relatively quickly, with noticeable reductions appearing within the first few weeks. Lifestyle changes can take a bit longer to show up in lab results, but they provide benefits that extend well beyond triglyceride numbers.