A healthy total cholesterol level for adults is below 200 mg/dL. But that single number only tells part of the story. Your lipid panel breaks cholesterol into several components, and each one has its own target range. Understanding all of them gives you a much clearer picture of your cardiovascular health than total cholesterol alone.
Total Cholesterol Targets
Total cholesterol measures all the cholesterol circulating in your blood. For adults age 20 and older, the categories break down like this:
- Desirable: Below 200 mg/dL
- Borderline high: 200 to 239 mg/dL
- High: 240 mg/dL or above
For children and teens age 19 or younger, the threshold is lower: below 170 mg/dL is considered healthy. These tighter numbers reflect the fact that early exposure to elevated cholesterol contributes to plaque buildup over a lifetime.
LDL: The Number That Matters Most
LDL cholesterol is the type that deposits in artery walls and drives heart disease. It’s the primary target doctors focus on when assessing your risk and deciding whether treatment makes sense. For most adults without heart disease, an LDL below 100 mg/dL is considered optimal, while levels between 100 and 129 mg/dL are near optimal. Once LDL climbs above 160 mg/dL, the risk starts to rise meaningfully.
Your ideal LDL target depends on your overall risk profile, not just the number itself. The newest guidelines from the American College of Cardiology and American Heart Association (published in 2026) use a risk calculator called PREVENT-ASCVD to estimate your chance of having a heart attack or stroke over the next 10 years. That estimate factors in your age, sex, blood pressure, diabetes status, smoking history, and family history of early heart disease, alongside your cholesterol numbers. Someone with an LDL of 150 mg/dL but no other risk factors is in a very different position than someone with the same LDL who also has diabetes and high blood pressure.
Under these guidelines, adults with a 10-year risk below 3% and an LDL under 160 mg/dL are typically managed with lifestyle changes alone. Once risk climbs to 5% or higher, or LDL reaches 160 to 189 mg/dL even in lower-risk individuals, medication becomes a reasonable consideration. For people at the highest risk (10% or greater over 10 years), the goal is to cut LDL by at least half.
HDL: Higher Is Better
HDL cholesterol works in the opposite direction from LDL. It helps remove excess cholesterol from your bloodstream and carries it back to the liver for disposal. Higher HDL levels are protective, and low HDL is an independent risk factor for heart disease.
The thresholds differ slightly by sex. For men, an HDL below 40 mg/dL puts you at increased risk. For women, the cutoff is below 50 mg/dL. Regardless of sex, an HDL of 60 mg/dL or above is considered protective. Regular aerobic exercise, maintaining a healthy weight, and not smoking are the most reliable ways to raise HDL. Alcohol in moderate amounts can increase it too, but the trade-offs rarely make that a worthwhile strategy on its own.
Triglycerides: The Often-Overlooked Number
Triglycerides aren’t cholesterol, but they show up on the same blood test and play their own role in cardiovascular risk. They’re the form your body uses to store calories from food, and elevated levels often accompany insulin resistance, excess weight, and high sugar or alcohol intake.
- Healthy: Below 150 mg/dL
- Borderline high: 150 to 199 mg/dL
- High: 200 to 499 mg/dL
- Very high: 500 mg/dL or above
Very high triglycerides (above 500 mg/dL) carry a risk beyond heart disease: they can trigger pancreatitis, a painful and potentially dangerous inflammation of the pancreas. Triglycerides respond strongly to dietary changes, particularly cutting back on refined carbohydrates, sugary drinks, and alcohol. For children and teens, the healthy target is lower, below 90 mg/dL.
How Your Numbers Work Together
No single cholesterol number tells the full story. A total cholesterol of 210 mg/dL might sound borderline, but if most of that is HDL, it could actually reflect a favorable profile. Conversely, a total cholesterol of 190 mg/dL with very low HDL and high triglycerides is more concerning than it looks at first glance.
That’s why doctors increasingly pay attention to non-HDL cholesterol, which is simply your total cholesterol minus your HDL. This captures all the harmful cholesterol particles in a single number and tends to predict cardiovascular risk better than LDL alone, especially in people with elevated triglycerides. For adults, a non-HDL below 130 mg/dL is a reasonable target. For children and teens, below 120 mg/dL is healthy.
Do You Need to Fast Before a Cholesterol Test?
The old rule was that you had to fast for 9 to 12 hours before a lipid panel. That’s no longer necessary for most people. Guidelines from the American College of Cardiology support non-fasting lipid panels for routine screening and cardiovascular risk assessment. The practical differences between fasting and non-fasting results are small: triglycerides may run about 26 mg/dL higher after a meal, while total cholesterol and LDL shift by only about 8 mg/dL. HDL barely changes at all.
Fasting still matters in certain situations. If your triglycerides come back above 400 mg/dL on a non-fasting test, your doctor will likely want a fasting recheck to get a more precise reading. Fasting is also recommended before starting certain medications, or if there’s suspicion of a genetic lipid disorder. But for a standard screening, eating beforehand won’t meaningfully change your results or the clinical decisions that follow.
When to Get Tested
Most adults should have their cholesterol checked every four to six years starting at age 20, with more frequent testing if levels are borderline or other risk factors are present. For children, the first screening is recommended between ages 9 and 11, with follow-up testing every five years. Children with a family history of high cholesterol or early heart disease may need testing as early as age 2.
Your cholesterol profile isn’t static. It shifts with age, weight changes, diet, physical activity, and hormonal changes like menopause. Women often see a noticeable jump in LDL after menopause, which is one reason heart disease risk rises in the postmenopausal years. Periodic testing lets you and your doctor catch trends before they become problems.