Editor’s Note: This post was updated on September 1, 2026 for accuracy and comprehensiveness. It was originally published on July 07, 2021.

Most adults want a total cholesterol under 200 mg/dL, an LDL under 100, and an HDL of at least 40 (men) or 50 (women). Those targets are the same whether you're 25 or 75. The full chart is below, along with what counts as borderline and high.

Here's the part the chart leaves out. Your numbers tell you where you stand. They don't explain why your levels are where they are, or which underlying factors are driving them. That answer usually sits in your body composition, and it's something a lipid panel never measures.

Cholesterol Levels Chart: Normal, Borderline, and High

All values in milligrams per deciliter (mg/dL), based on a fasting lipid panel for adults 20 and older.

HDL runs the opposite way, since higher is better:

Two footnotes worth knowing. The CDC puts optimal total cholesterol at 150, lower than the 200 threshold most people quote, so "not high" and "optimal" aren't the same thing. And an HDL above 80 may not be protective, so more isn't infinitely better.

Cholesterol Levels by Age Chart

Adult cholesterol targets don't shift by decade. A healthy LDL at 30 is a healthy LDL at 70. Charts that break adults into 20s, 30s, 40s, and 50s are repeating the same row four times.

Two things do change with age.

The first is how often you should get tested. Screening frequency climbs as you get older:

What Is Considered High Cholesterol?

High cholesterol usually means a total of 240 or above, or an LDL of 160 or above. The word "high" gets used loosely, and your lab report may not spell out the gradations, so here's the full LDL breakdown:

• Optimal: under 100

• Near optimal: 100 to 129

• Borderline high: 130 to 159

• High: 160 to 189

• Very high: 190 or above

Context matters more than the label. If you already have heart disease or several risk factors, your provider may want your LDL under 70, which means a "near optimal" 110 could still be too high for you. A number that's fine for one person isn't automatically fine for the next.

What Is Cholesterol?

Cholesterol is a fatty substance primarily produced by your liver and intestines and travels through your bloodstream. 

Cholesterol isn't harmful on its own. Trouble starts when levels run too high, a condition called "hypercholesterolemia." 

Cholesterol plays many essential roles in your body: it acts as a building block for some of your most important hormones, including testosterone, estrogen, progesterone, and cortisol. It’s also a component of bile salt, which helps you to digest fat-soluble vitamins. So since various cells need cholesterol, it needs to be delivered throughout your body through your nutrient “highway”: your bloodstream. 

Cholesterol is a fatty substance, so it can’t travel freely through your blood on its own (the two don’t mix well, much like oil and water).  Instead,  cholesterol is packaged with proteins into compounds called lipoproteins that can move freely through your blood, which allow it to travel through your bloodstream in five different forms: chylomicrons, HDL, LDL, VLDL, and IDL. 

While each of these lipoproteins plays specific roles in the delivery of cholesterol, two of the most important ones to be aware of as they relate to your health are LDL and HDL.

• LDL (low-density lipoproteins), often referred to as “bad” cholesterol, contain more cholesterol than they do proteins. This means that they are fattier and less dense, which can lead them to stick to the sides of your arteries as they travel and deliver cholesterol to your cells. 

• HDL (high-density lipoproteins), or “good” cholesterol, have more protein than cholesterol, making them denser. They work by collecting and carrying excess cholesterol away from your organs and towards your liver, where they can be disposed of properly. 

So while your overall cholesterol levels do matter, it’s often changing in the ratio of LDL to HDL that can cause problems down the line. Ideally, you want to have a higher HDL concentration and a lower LDL concentration in your blood to prevent cholesterol from sticking to your arteries. Without this proper ratio, some pretty serious complications can develop.  

Why High Cholesterol Matters 

Cardiovascular disease kills one person in the United States every 34 seconds, and high cholesterol is one of its three leading risk factors, alongside high blood pressure and smoking. The catch is that it announces itself with almost nothing. No symptoms, no warning signs, until something breaks. 

If your LDL levels are high and your HDL levels are low, this can lead to a buildup of cholesterol as the excess LDL starts sticking to the sides of your arteries. If left unchecked, it can combine with other substances like calcium to form plaque, which can harden over time. This hardening of your arteries is called atherosclerosis, which means that your heart has to work overtime to pump blood through those stiffer, narrower arteries. 

Unfortunately, the consequences of atherosclerosis can be severe. It can raise your blood pressure to the point of hypertension, a condition often linked to cardiovascular disease. 

And if the plaque ruptures, it can lead to blood clots that completely cut off your blood flow. This means that your tissues can become starved for blood and oxygen, and the consequences of this are very serious: 

• If the blocked vessel prevents blood from being delivered to your heart, it can cause a heart attack 

• If the blocked vessel cuts off blood delivery to the brain, it can result in a stroke

How People Develop High Cholesterol Levels

So how does someone develop high cholesterol? Everyone’s susceptibility to it will vary, but it comes down to three main factors: your lifestyle, age, and genetics. 

• Lifestyle

As is true with many chronic health conditions, your dietary eating patterns and level of physical activity can play a role in your cholesterol levels. For example, diets that are heavy in processed foods and saturated fats can put you at greater risk of high LDL levels. 

Other lifestyle choices can also affect your cholesterol. For example, smoking can lower your HDL levels. Luckily, these are the factors that you can most easily control and manipulate. 

• Aging 

Your risk for developing high cholesterol tends to increase as you advance in age, which is why it is a good idea to have regular physicals and blood tests.  

• Genetics 

Some people are more genetically predisposed than others to developing high cholesterol and heart disease. Knowing your family history can help you predict whether it may become a problem for you. 

What Your Cholesterol Numbers Don't Tell You 

A lipid panel is a snapshot. It tells you the result without telling you the cause, and you only get one every few years. 

Because it can change your body’s metabolism, being overweight presents its own set of threats to your cardiovascular health. Research has shown that being obese can actually change how your body metabolizes different nutrients, including fat. As it pertains to cholesterol, people who are obese tend to produce more LDL and less HDL. 

In addition, having too much body fat promotes insulin resistance and inflammation, both of which can lead to negative consequences for your heart health. 

Something important to note is that your body weight on its own isn’t always the best way to gauge your risk for developing heart conditions. What really matters is body composition rather than body weight. People with more muscle than fat can be perfectly healthy even though they might weigh more than what is recommended for their age and height.The reverse happens too. People can be "skinny fat", weighing in at an acceptable range for their height with a body fat ratio that's too high. 

Unfortunately, people who are “skinny fat” can also be susceptible to metabolic conditions and ailments because of their high body fat percentages. A normal BMI and a bad lipid panel is a common combination, and it's the one a bathroom scale is least equipped to catch. Knowing where your body fat percentage sits for your age and sex fills in what the BMI number leaves out.
A lipid panel is typically done every few years, while body composition can be measured monthly. Body fat, and visceral fat in particular, influences LDL, HDL, and triglyceride levels, so tracking it between blood tests can indicate the direction of the next panel. A downward body fat trend often signals improving cholesterol before a lab test confirms it.

How To Lower Your Cholesterol 

Your cholesterol levels are dependent on so many different factors, not all of which are under your control – such as your age or family history. 

Luckily, there are plenty of lifestyle adjustments that you can make to improve both your body composition and your cholesterol levels, which can make a huge difference in your heart health. 

Here are some ways to lower your high cholesterol levels: 

• Minimizing the saturated and trans fat in your diet 

It wasn’t too long ago that all dietary fat was blamed for raising cholesterol levels. 

But it turns out that the kinds of fats are just as important as how much fat you eat. Saturated fats, like those found in meat and dairy, and trans fats (margarine, fried foods, processed foods) raise cholesterol levels. On the other hand, it’s no longer believed that eating cholesterol-rich foods like eggs have as much of an effect on your cholesterol as once believed. 

Reducing saturated fat intake and avoiding trans fats is associated with lower cholesterol levels. This generally means eating less fatty red meat, dairy products, and processed “commercial” foods. 

You can replace them with healthier unsaturated fats, which can actually help improve your cholesterol levels instead. Good examples of healthy fats include:

• Monounsaturated fats from olive oil, sunflower oil, and canola oil 

• Omega-3 fatty acids in fatty fish, walnuts, and chia seeds

  
  

• Eating more “heart-healthy” foods 

Certain nutrients can minimize your risk of cholesterol buildup. For example, fiber binds to cholesterol and prevents it from building up and causing atherosclerosis. In the same vein, antioxidants and vitamins from plant-based foods also play a role in fighting inflammation, which can also improve your heart health. 

Commonly recommended heart-healthy foods include:

• Whole grains like oats, quinoa, barley, and rye 

• Fruits such as berries, grapefruit, apples, pears, and grapes, including a variety of types.

• Veggies like leafy greens, cruciferous broccoli, and brussels sprouts, and carrots

• Increasing exercise

Regular exercise moves your cholesterol numbers, though the intensity story runs counter to what most people assume. A 2025 review of 19 randomized controlled trials in adults with overweight or obesity found that moderate and vigorous aerobic exercise both lowered total cholesterol, LDL, and triglycerides. Only the moderate-intensity work raised HDL by a meaningful margin. Going harder didn't buy more.

Increasing your exercise and activity level will often coincide with improved body composition, especially when paired with a proper diet. For best results, include a mix of both resistance training (for increasing muscle mass) and cardio (for decreasing body fat). 

• Quit smoking 

Smoking damages your arteries, making them more susceptible to plaque buildup. It can also lower your body’s production of HDL and increase its production of LDL, all of which can have a huge negative impact on your heart. 

For regular smokers, quitting is associated with improved cholesterol levels. One study found that people who quit smoking showed improvements in their HDL levels after one year, even among those who gained weight after quitting.

Conclusion 

Your cholesterol chart gives you a target. It doesn't tell you how far you are from hitting it, or what to change. Diet, activity, and regular checkups all influence these numbers, and body composition is the common factor connecting them. Tracking body composition between blood tests can reveal trends earlier than a lipid panel alone.

Frequently Asked Questions

What is a Normal Cholesterol Level by Age?

For adults 20 and older, under 200 total and under 100 LDL, at any age. For anyone 19 and under, it's under 170 total and under 110 LDL. Adult targets don't change by decade, though how often you should get tested does.

Is 200 Cholesterol Bad?

A total of 200 sits right at the line: borderline high starts there and runs to 239. It's a signal to look at the breakdown rather than a diagnosis, since a 200 built on high HDL reads very differently from a 200 built on high LDL.

Can You Have High Cholesterol at a Normal Weight?

Yes, and it's more common than people expect. Body fat percentage drives lipid numbers more reliably than body weight does, so someone with a normal BMI and low muscle mass can still land a poor panel.

How Fast Can You Lower Cholesterol?

Diet and exercise changes tend to show up on a lipid panel in about three to six months. Body composition shifts before that, which is part of why it's worth tracking in between tests.