Can You Lower Your Calcium Score? What the Research Actually Shows

A high calcium score means you’re at higher risk of heart attack. But is it possible to lower your calcium score?

The short answer is no — treatment can’t lower your actual calcium score. However, it can lower your risk, which is what really matters.

Let’s take a step back. Your calcium score measures the calcified (hardened) plaque in your coronary arteries, which are the vessels that supply blood to your heart. Over time, calcified plaque can narrow or block your arteries, which can possibly lead to a heart attack.

If you have a high calcium score, your doctor might prescribe medications and lifestyle changes. While these treatments won’t change your actual calcium score, they can reduce your chances of having a heart attack.

In this article, we’ll explain why you can’t lower a calcium score, why this isn’t necessarily a bad thing, and what treatments can realistically do instead.

Key Takeaways

You can’t actually lower your calcium score itself. Once plaque calcifies, it stays.
But you can lower your risk of having a cardiac event. If you have a high calcium score, medications and lifestyle changes can actually reduce your risk of having a heart attack.
Your score can even rise while treatment is working. Your calcium score might increase if you’re on statins because the plaque becomes denser and more stable. This isn’t a bad thing.
Medication, diet, and lifestyle all genuinely reduce your risk, even though none of them will show up as a lower score on your next scan.

Can a Calcium Score Actually Go Down?

Your calcium score isn't like a cholesterol reading, which reflects what's in your blood right now and can move up or down between tests. It's closer to a running record of calcified plaque that has built up in your artery walls over years. Once calcium deposits form, they're a stable, mineral structure — not something your body reabsorbs or dissolves.

Think of it like the rings in a tree trunk. Each ring reflects a year of growth, and the tree can’t erase a ring once it's there, even after decades of healthy growth afterward. Your calcium score works in a similar way. It's a record of accumulated plaque, not a live readout of how your arteries are doing today.

In practice, that means calcium scores rise over time for most people, and they usually don't fall. So, it’s typically not possible to lower your calcium score.

However, it is possible to lower your heart attack risk, which is what your calcium score helps doctors predict in the first place.

A follow-up scan showing a higher number than your last one isn't necessarily a sign that anything has gone wrong. It's closer to the expected pattern.

Learn moreWhat Is a Calcium Score Test? A Complete Guide to CAC Screening

Lowering Your Calcium Score vs. Lowering Your Risk

There’s a difference between lowering your score and lowering your actual risk of a cardiac event. This is the distinction that matters.

When most people search for ways to lower their calcium score, what they really want is to lower their risk of a heart attack. Those aren't the same target, and treating them as interchangeable sets people up for disappointment on their next scan.

The good news is that you can reduce your risk — through medication, diet, and lifestyle — regardless of what happens to the calcium score itself.

Future CAC scans alone can’t tell you whether those treatments are working.

Picture two people with the same starting calcium score of 150 who both start treatment. One sticks with their statin, quits smoking, and cleans up their diet. The other does nothing differently. A year later, both of their calcium scores might land somewhere around 160 or 170.

The scans could look nearly identical, but their actual risk is likely very different, since only one of them addressed the factors that stabilized their plaque. The other didn't. Your calcium score won’t show that difference. But a CCTA scan can.

How To Lower Your Risk After a High Calcium Score

If you have a high calcium score, your doctor may prescribe a number of medications and lifestyle changes. These don’t directly lower your calcium score — instead, they stabilize your plaque and lower your risk.

Medication, diet, and lifestyle changes can measurably improve your heart health — but they don’t do this by dissolving the calcium in your arteries.

Instead, they work by:

Stabilizing the soft plaque in your heart arteries
Slowing how much new plaque forms in the first place, by keeping cholesterol and blood sugar from feeding the process further
Supporting your broader cardiovascular health (e.g. blood pressure, blood sugar, and overall inflammation levels)

None of this will show up as a lower number on your next scan. It shows up in your actual risk, which is the part that matters.

Here are the treatments that are usually prescribed after a high calcium score, and how they help lower your risk of heart disease:

Statins lower LDL cholesterol and help stabilize existing plaque, making it less likely to rupture.
Newer medications, like ezetimibe, PCSK9 inhibitors, and bempedoic acid, can help you reach your cholesterol targets.
A heart-healthy diet, built around vegetables, whole grains, and lean protein, helps manage the cholesterol, blood pressure, and blood sugar levels that drive plaque buildup.
Regular exercise improves your cholesterol profile, lowers blood pressure, and supports healthy blood vessel function.
Quitting smoking is one of the most effective single changes you can make, since smoking damages your arteries directly.
Managing stress can help support your heart health, as chronically high cortisol levels can raise your blood pressure and heart rate over time.

None of these are one-time fixes. They work best as an ongoing combination, tailored to your specific risk factors, rather than picking just one and expecting it to carry the full load on its own.

Can Supplements Lower Your Calcium Score?

In short, no — no supplements are known to actually lower your calcium score.

You may have seen claims online about specific foods or supplements that “dissolve” or “reverse” arterial calcium. Vitamin K2, magnesium, and various supplement blends are common examples.

The honest answer is that none of these have strong evidence behind reversing existing calcified plaque in humans. Once plaque calcifies, no food or supplement currently known to research melts it away.

If you come across a product claiming to lower your calcium score directly, be skeptical.

Certain supplements may be worth taking to support your overall health. But talk to your doctor before adding any supplement to your routine, especially if you’re concerned about your heart health, since some supplements and herbs can interact with medications like statins or blood thinners.

Why Your Calcium Score Can Rise Even When Treatment Is Working

This sounds counterintuitive, but your calcium score may increase even if you’re getting treatment.

A large multinational study tracked patients with repeat CT scans over time, including patients on statins — a common and effective treatment for heart disease risk. The study found that patients on statins often had rising calcium scores, even though their actual risk of heart disease was decreasing.

This is because statins tend to convert softer, less stable plaque into denser, more calcified plaque. This is a good thing, as soft plaque can rupture, which is dangerous. By calcifying the soft plaque in your arteries, statins actually reduce your risk.

Imagine your plaque as a mix of wet cement and dry, set concrete. The wet cement, soft plaque, is the part that's unpredictable and can crack or shift without warning. The set concrete, calcified plaque, is stable and stays put. Statins essentially help turn more of that wet cement into hardened, stable material. Your calcium score only measures the hardened part, so as more of your plaque sets, your score can climb, even though your arteries are becoming safer.

So, this means that your calcium score might rise when you’re on treatment. But that’s not necessarily a bad thing.

This is partly why a CCTA can be more helpful than a calcium score test. While a CAC only shows hard plaque, a CCTA shows soft plaque, giving you a more accurate idea of your risk.

How Long Does It Take to Lower a Calcium Score?

Lowering the score itself isn’t the goal, but the benefits of treatments can begin accumulating within months.

Quitting smoking and improving your diet can help you feel better within a week or two, and the benefits of starting a statin can show up within a few months.

With that said, don’t be discouraged if you feel the “same” even after months of treatments and lifestyle changes. As long as you’re following your treatments, they’re likely working — even though your next calcium score likely won't reflect it.

If you're looking for a way to actually track progress, rather look at factors like your cholesterol panel, blood pressure readings, and blood sugar levels.

The Bottom Line on Reducing a Calcium Score

For nearly everyone, a calcium score doesn't go down, and that doesn’t mean your treatment isn't working. What can go down is your actual risk of a heart attack.

Regardless of what your next calcium score scan shows, treatments can drastically improve your heart health. Medications, a healthy diet, and lifestyle changes can go a long way in reducing your risk.

If you take one thing away from this, let it be this: stop watching the number and start focusing on developing healthy habits. A calcium score is a useful starting point, but it was never designed to be a scoreboard you check every few months. The real work, and the real payoff, happens in the choices you make between scans.

See What a Calcium Score Can’t

Since your calcium score barely moves regardless of what you do, it's not a great way to track whether your arteries are actually improving. Our CCTA scan shows both hard and soft plaque, giving you a clearer picture of change over time.

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