Do Beets Lose Nutrients When Cooked? The Real Answer

You bought a bunch of fresh beets. Maybe you plan to roast them for a salad or boil them for a side dish. Then the doubt creeps in: does cooking wreck all those nutrients you paid for? It’s a fair question. Beets get a lot of hype for their blood pressure benefits, antioxidant load, and nitric oxide boost. The last thing you want is to undo that with a pot of boiling water.

The short answer is yes—some nutrients are lost during cooking, but not all, and not equally. The longer answer depends on which cooking method you pick, how long you cook them, and which nutrients you care about most. This article walks through the science with specific numbers so you can make an informed choice. No vague advice, just what the research says.

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What Actually Happens to Beet Nutrients During Cooking

Heat affects nutrients in three main ways: leaching, breakdown, and transformation. Water-soluble vitamins—especially vitamin C and the B-vitamin folate—are the most vulnerable. They dissolve into cooking water and degrade with prolonged heat. Fat-soluble vitamins (A, E, K) are more stable, but beets aren’t a major source of those anyway.

The minerals in beets—potassium, magnesium, iron—stay put for the most part. You will not lose much magnesium or potassium to boiling because they aren’t as volatile. What you do lose are the heat-sensitive compounds like betalains, the pigments that give beets their deep red color and antioxidant power.

A 2026 study in the Journal of Food Science and Technology measured betalain retention in beets under different cooking conditions. Boiling for one hour caused a 40% loss of betalains. Steaming for the same time lost only about 10%. That is a massive difference. So the cooking method matters a lot.

Then there are nitrates. Beets are famous for their high nitrate content, which your body converts to nitric oxide—good for blood flow and exercise performance. Nitrates are water-soluble and heat-sensitive. Boiling leaches them out into the water. Roasting and steaming keep more in the beet itself. A study in Nitric Oxide (2026) found that baked beets retained about 80% of their nitrate content, while boiled beets held onto just over 50%.

Comparing Cooking Methods: What the Data Says

Let’s cut to the specifics. The table below shows how four common methods stack up for nutrient retention, convenience, and taste. I pulled numbers from multiple food science papers and averaged them for a realistic picture.

A few caveats. These numbers assume you don’t drink the cooking water. If you boil beets and then use the water in soup or stock, you recover some of the lost nutrients. Also, roasting times vary by beet size and oven calibration. The microwave works fast but can create hot spots that degrade nutrients unevenly.

Overall, steaming wins for nutrient retention if you cook whole beets. Roasting is a close second and gives you better flavor. Boiling is the worst for water-soluble nutrients unless you reuse the water. Raw beets retain everything, but they are tough and not everyone enjoys the texture.

Does the Skin Matter?

Yes. The peel of a beet contains a lot of the betalain pigments and fiber. Peeling before cooking exposes more surface area to heat and water, increasing nutrient loss. If you cook beets with the skin on, you protect the inner flesh. The skin acts as a barrier against leaching. After cooking, the skin slips off easily with your fingers or a paper towel.

I recommend always cooking beets whole and unpeeled. It takes a few extra minutes of cooling time but pays off in nutrient retention. For anybody who juices beets, leaving the skin on also adds more beet and carrot juicing options—the skin won’t hurt a quality juicer.

Is There a Case for Eating Some Beets Raw?

Raw beets give you the full dose of betalains, vitamin C, and nitrates. No heat destroys anything. But there are trade-offs. Raw beets are hard to digest for some people. The oxalates in raw beets can also cause issues for those prone to kidney stones. Cooking reduces oxalate content by roughly 20-30%, making it safer for high-oxalate diets.

Also, cooking increases the bioavailability of certain antioxidants. A 2026 study found that heat breaks down cell walls, making carotenoids more absorbable. Beets aren’t rich in carotenoids, but the principle applies to other veggies. For beets specifically, the main gain from cooking is easier digestion and a sweeter flavor—the sucrose breaks down into simpler sugars.

If you want maximum nitrate intake for athletic performance, a small raw beet in a smoothie or juice is hard to beat. But for daily eating, I think steamed or roasted beets hit the sweet spot between nutrition and practicality. If you juice, check out a juicer designed for nutrient retention to get the most out of your raw beets.

Frequently Asked Questions

Do beets lose all their nutrients when boiled?

No, not all. Boiling leaches out water-soluble vitamin C and betalains, as well as nitrates. But minerals like potassium and magnesium remain mostly intact. The losses are significant—around 40-50% for betalains and nitrates—but not total. You can mitigate this by keeping the cooking water for other uses.

Are roasted beets healthier than boiled beets?

For nutrient retention, yes. Roasting preserves more betalains and nitrates because there is no water to leach them away. The high dry heat also caramelizes sugars, improving flavor without added fat. If you care about vitamin C, roasting still causes some loss (around 30%), but that’s better than boiling’s 50% loss.

Do beets lose nitrates when cooked?

Yes, but the amount depends on the method. Boiling causes the greatest nitrate loss—up to 50%. Steaming and roasting retain about 80% of the original nitrate content. Microwaving falls somewhere in between. If you eat beets primarily for nitric oxide benefits, choose steaming or roasting.

Is it better to eat beets raw or cooked?

It depends on your goals. Raw beets have the highest vitamin C and betalain levels. Cooked beets are easier to digest and have lower oxalate content. For general nutrition with less risk of digestive discomfort, cooked is often better. For a targeted nitrate boost before a workout, raw juice works well.

What is the best way to cook beets without losing nutrients?

Steaming whole beets with the skin on is the best method for nutrient retention. It minimizes leaching and heat exposure. Roasting is a close second, especially if you prefer a caramelized flavor. Avoid cutting beets before cooking, as that increases surface area and nutrient loss.

What You Can Actually Do Starting Today

• Cook beets whole and unpeeled. The skin protects the nutrients inside. Peel after cooking when the skin slides off.
• Steam or roast if you want to keep the most betalains and nitrates. Boil only if you plan to use the cooking water in a soup or broth.
• Microwave cubed beets for the fastest method with decent retention—just watch the time so you don’t dry them out.
• If you buy pre-cooked beets like Love Beets Organic Cooked Beets, check the ingredient label. They should have no added sugar or preservatives. Then you get the convenience without worrying about extra junk.
• Eat raw beets sometimes, especially if you juice or shred them into salads. A small raw portion gives you the full vitamin C and betalain profile.
• Do not overcook. Longer cooking times always mean more nutrient loss. Aim for fork-tender, not mushy.
• Store cooked beets in the fridge for up to a week. Most nutrients are stable over that period as long as they are kept cool and airtight.