High triglycerides respond well to lifestyle changes, and most people can bring their levels down significantly within a few weeks to a few months. The approach combines cutting back on the foods that drive triglyceride production, adding regular physical activity, and in some cases using supplements or medication. How aggressively you need to act depends on where your numbers fall.
Know Your Starting Point
Triglycerides are measured with a standard blood test after fasting. The ranges, measured in milligrams per deciliter (mg/dL), break down like this:
- Healthy: below 150 mg/dL
- Borderline high: 150 to 199 mg/dL
- High: 200 to 499 mg/dL
- Very high: 500 mg/dL and above
If you’re in the borderline range, diet and exercise alone are often enough. Levels above 500 mg/dL raise the risk of pancreatitis and typically require medication alongside lifestyle changes.
Cut Back on Sugar and Refined Carbs
Sugar, especially fructose, is one of the biggest dietary drivers of high triglycerides. When fructose reaches the liver, it gets absorbed in much higher concentrations than other tissues receive. The liver then converts it directly into fat through a process that ramps up every enzyme involved in triglyceride production. Unlike glucose, fructose doesn’t need insulin to be metabolized, which means this fat-making process runs unchecked even when your body is already insulin resistant.
Fructose also depletes your liver cells’ energy supply and suppresses their ability to burn fat, creating a double hit: more fat is being made while less is being broken down. Over time, this leads to fat buildup in the liver itself, which further worsens triglyceride levels.
The biggest sources to reduce or eliminate are sugary drinks (soda, fruit juice, sweetened coffee and tea), candy, baked goods, and foods with added high-fructose corn syrup. Refined carbohydrates like white bread, white rice, and pasta also spike blood sugar quickly, prompting your liver to convert the excess into triglycerides. Swapping these for whole grains, vegetables, and legumes makes a measurable difference. Soluble fiber, found in oats, beans, fruits, and vegetables, has been shown to lower triglycerides by about 17 mg/dL on average. That’s a modest effect on its own, but it adds up when combined with other changes.
Reduce Alcohol Intake
Alcohol raises triglycerides by increasing the liver’s production of VLDL particles, the packages that carry triglycerides into your bloodstream. While some older research suggested there was a safe threshold around three to four drinks per day, more recent evidence shows that even moderate amounts can raise fasting triglyceride levels in otherwise healthy people. If your triglycerides are already elevated, cutting alcohol significantly or eliminating it entirely is one of the fastest ways to see improvement.
Lose Even a Small Amount of Weight
You don’t need to hit an ideal body weight to see results. In one study, participants who lost about 4.3% of their body weight over just two weeks reduced liver triglyceride stores by roughly 42%. For someone weighing 200 pounds, that’s less than 9 pounds. The reduction was even more pronounced when the weight loss came from cutting carbohydrates rather than simply cutting calories, likely because lower carb intake directly reduces the liver’s raw material for making triglycerides.
Even without dramatic weight loss, reducing your calorie intake enough to create a modest deficit tends to lower circulating triglycerides within weeks.
Exercise at a Steady, Moderate Pace
Aerobic exercise is the most effective type of physical activity for lowering triglycerides. Both a single session and regular training over time reduce levels. The key is sustaining an elevated heart rate for a continuous period. Walking, swimming, cycling, jogging, or using an elliptical all work equally well. Choose whichever activity you’ll actually stick with.
Aim for 150 minutes per week at moderate intensity. A practical way to gauge intensity without any special equipment: you should be able to hold a conversation, but with some effort. If you can chat effortlessly, push a little harder. If you can barely get a word out, ease up slightly. Resistance training (weight lifting) has some benefit for overall metabolic health, but aerobic exercise is the priority when triglycerides are the main concern.
Consider Omega-3 Supplements
The omega-3 fatty acids EPA and DHA, the kind found in fatty fish like salmon, mackerel, and sardines, lower triglycerides at high enough doses. The American Heart Association recommends 2 to 4 grams per day of combined EPA and DHA for people with elevated triglycerides, and their most recent review concluded that 4 grams per day is effective as a standalone treatment or alongside other medications.
This is far more than you’d get from eating fish a few times a week or taking a standard fish oil capsule (which typically contains only 250 to 500 mg of EPA and DHA). Prescription-strength omega-3 formulations deliver the full therapeutic dose. Over-the-counter fish oil supplements can be used to reach these amounts, but you’d need multiple capsules per day, and quality varies between brands. If you’re considering high-dose omega-3, it’s worth discussing with your doctor, particularly if you take blood thinners.
When Medication Becomes Necessary
For triglyceride levels that remain high despite lifestyle changes, or for anyone with levels above 500 mg/dL, medication is an important tool. Fibrates are the most commonly prescribed drug class specifically for triglycerides. They typically reduce levels by 30% to 50% while also raising HDL (the protective cholesterol) by 15% to 25%. Statins, which are primarily prescribed for LDL cholesterol, also lower triglycerides to a lesser degree and are sometimes used when both LDL and triglycerides are elevated.
How Quickly You Can Expect Results
Triglycerides respond to lifestyle changes faster than LDL cholesterol does. Some people see improvement in as little as three weeks after making dietary changes and starting regular exercise. A more typical timeline is six weeks to three months, depending on how significant the changes are and how high your starting levels were. Your doctor will likely recheck your blood work after this window to assess progress and decide whether additional intervention is needed.
The changes that matter most, in rough order of impact, are reducing sugar and refined carbs, cutting alcohol, losing a moderate amount of weight, and exercising regularly. Each one contributes, and the effects compound when you combine them. Most people with borderline or moderately high triglycerides can reach healthy levels without medication if they address these areas consistently.