Updated July 2026
Of all the numbers on a standard cholesterol panel, triglycerides may be the most responsive to what you do. Unlike some cholesterol measures, they can swing dramatically, sometimes dropping by hundreds of points, in response to changes in how you eat, move, and manage your weight. Here's why they rise, what they signal, and how to bring them down, usually without medication.
What are triglycerides, briefly?
They're your blood's fat transporters, not really cholesterol at all. Only about 20% of a triglyceride (TG) particle is cholesterol; the rest is fat being ferried around for energy or storage. Normal levels sit below 150 mg/dL, but the scale is enormous, anywhere from under 30 to well over 3,000 mg/dL in my experience. (For a fuller primer on what they are, see what are triglycerides.)
Do high triglycerides matter?
It depends on how high, and on the company they keep. On their own, moderately elevated triglycerides aren't the strongest predictor of heart disease. But two situations change that. Very high levels, over 500 and especially over 1,000 mg/dL, are usually genetically driven and carry a real risk of pancreatitis, a painful and potentially damaging inflammation of the pancreas; at those levels, medication is sometimes prescribed specifically to prevent pancreatitis rather than heart disease. Below 500, triglycerides are mostly lifestyle-driven, and their significance depends on their companions. TG levels tend to mirror HDL ("good" cholesterol) in the opposite direction: low HDL usually travels with high TG. That particular combination, low HDL plus high TG, is a worrisome profile that carries as much heart risk as a high LDL, and it's a core feature of metabolic syndrome.
Here's the surprising part: it's mostly about carbs, not fat.
You'd think that since triglycerides are fat particles, the fix would be a low-fat diet. It's the opposite. Elevated triglycerides usually reflect an overabundance of carbohydrates, not dietary fat. Here's why: all carbohydrates are broken down into sugar, but your body has only so much room to store it. Picture a finite set of cupboards for sugar. Once they're full, any extra sugar still circulating, say after a bunch of candy or a big empty-carb hit like a bagel, gets converted by the body into triglycerides, a compact way to store the excess circulating sugar and its associated calories. That's why a low-fat diet, which is almost always high in carbohydrates, tends to backfire and raise triglycerides.
So what actually lowers triglycerides?
A low-saturated-fat, high-fiber, calorie-controlled diet, plus weight loss. The key nuance is that "low saturated fat" is not the same as "low fat." You can and should still eat unsaturated fats, the kind in olive oil, walnuts, almonds, chia, flax, avocados, and fish. Lower-carbohydrate patterns – including the keto diet - genuinely work well for high triglycerides, but for overall health you want to avoid the indiscriminate saturated-fat loading that often comes with them.
Weight loss is the other powerful lever, and in my patients it tends to lower triglycerides in a stepwise rather than gradual way, almost as if the body wants proof you can shed a certain number of pounds before it rewards you with a drop. The exact threshold varies person to person, which is one more reason to keep going until you reach a healthy weight, since the payoff may not appear until you get there.
The encouraging bottom line is that triglycerides respond to lifestyle more dramatically than almost any other cholesterol number. Where HDL changes in single digits and LDL in tens, triglycerides can fall by hundreds, on lifestyle change alone. Nothing demonstrates the power of healthy living quite like watching one of your numbers drop like a brick.
Where does Step One fit in?
Right at the foundation. Step One Foods is low in saturated fat, high in fiber, and calorie-controlled, exactly the profile that helps with triglycerides, and every serving is built around walnuts, almonds, chia, and flax. It's a great start and can yield real improvement. That said, if your triglycerides are markedly elevated or you're working to undo the full metabolic-syndrome pattern, it usually takes a broader overhaul, improving the nutrient quality of every meal, to get there for good. Step One makes two of those meals easy.
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