The Vegetable That Lowers Blood Pressure as Much as Some Medications

Your doctor just told you your blood pressure is creeping up. Maybe it’s 138/88—not quite medication territory, but enough to trigger “the talk” about lifestyle changes. You’ve heard the usual advice: cut salt, exercise more, lose weight. But here’s something your doctor probably didn’t mention: there’s a vegetable backed by dozens of clinical trials that can lower blood pressure by 5-8 points. It’s been studied in hypertensive patients, recommended by the European Society of Hypertension, and costs about $2-3 per day.

It’s beetroot. And the science is more compelling than you might expect.

A 2024 analysis of 11 randomized controlled trials found beetroot juice reduced systolic blood pressure (the top number) by about 5 points in people with high blood pressure. A landmark 4-week trial showed nearly 8 points off systolic and 5 points off diastolic pressure. For context, a single standard-dose blood pressure medication typically lowers systolic pressure by about 7–9 mmHg. While beetroot is not a replacement for prescribed therapy, the magnitude of reduction falls within the range seen with first-line monotherapy in clinical trials.

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The “Silent Killer”

High blood pressure is called the “silent killer” for good reason. It’s the leading risk factor for cardiovascular disease worldwide, responsible for roughly half of all strokes and heart attacks. The damage accumulates quietly: stiffening arteries, an overworked heart, stressed kidneys, and impaired blood flow to the brain. Most people feel perfectly fine until something catastrophic happens. The good news? Every 10-point reduction in systolic blood pressure cuts stroke risk by about 27% and heart attack risk by about 17%. Even a modest 5-point reduction lowers the risk of major cardiovascular events by approximately 10%. This is why doctors take rising numbers seriously—and why finding effective ways to lower blood pressure matters so much.

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Understanding Blood Pressure: A Quick Primer

Blood pressure measures the force of blood pushing against your artery walls. The top number (systolic) represents pressure when your heart pumps; the bottom number (diastolic) represents pressure when your heart rests between beats.

Normal blood pressure is below 120/80. “Elevated” starts at 120-129 systolic. “High blood pressure” begins at 130/80 or higher. Every 10-point reduction in systolic pressure reduces heart attack and stroke risk by about 20%—which is why even modest improvements matter.

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What the Clinical Trials Found

The most rigorous trial came from researchers at Queen Mary University of London. They recruited 68 people with high blood pressure—half who had never taken medication and half already on blood pressure drugs—and gave them either 250 mL of beetroot juice daily or a placebo (nitrate-depleted beetroot juice that looked and tasted identical) for 4 weeks.

The results were striking. The beetroot group saw their blood pressure drop by 7.7 points systolic and 5.2 points diastolic on 24-hour monitoring. That’s roughly a 5-6% reduction. Clinic readings showed similar improvements. Home readings confirmed the effect. And importantly, there was no sign of tolerance developing—the benefits persisted throughout the 4-week period.

Beyond blood pressure numbers, the researchers found that blood vessel function improved by about 20% and arterial stiffness decreased. These are the underlying problems that cause high blood pressure in the first place.

A 60-day trial in Tanzania showed even more dramatic results. Adults with elevated blood pressure who drank beetroot juice daily saw their 24-hour systolic pressure drop by nearly 11 points—about 7% reduction. The placebo group showed essentially no change.

A 2024 analysis pooling data from 11 trials involving 349 hypertensive patients confirmed the pattern: beetroot juice reduced systolic blood pressure by about 5 points on average. The researchers noted “no sign of development of tolerance,” meaning the effect doesn’t wear off with continued use.

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How Beetroot Works (The Simple Version)

Beetroot is loaded with nitrates—natural compounds found in many vegetables. When you drink beetroot juice, something interesting happens in your mouth.

Bacteria living on your tongue convert the nitrate into nitrite. This nitrite then travels to your stomach and bloodstream, where it gets converted into nitric oxide—a molecule that tells your blood vessels to relax and widen. Wider blood vessels mean lower pressure. Think of it like opening a valve on a garden hose: the water (blood) flows more easily, reducing the pressure on the hose walls (arteries).

This is the same pathway that medications like nitroglycerin use, just triggered by food instead of drugs.

Here’s the critical detail: this conversion requires bacteria on your tongue. If you kill those bacteria—say, with antibacterial mouthwash—the whole process breaks down. Studies show that chlorhexidine mouthwash can block beetroot’s blood pressure benefits entirely. One study found that strong antibacterial mouthwash not only prevented the blood pressure reduction but actually raised blood pressure compared to controls.

The practical takeaway: if you’re drinking beetroot juice for blood pressure, avoid antibacterial mouthwash. Regular toothpaste is fine.

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Juice vs. Whole Beets vs. Capsules: What Actually Works?

Beetroot juice has the strongest evidence. It’s what most clinical trials used, and it delivers a concentrated dose of nitrates that contacts your mouth bacteria before swallowing.

Whole cooked beets also work, but with a twist. A head-to-head comparison found that both raw beetroot juice and cooked beets lowered blood pressure, but raw juice produced greater effects on blood vessel function and inflammation markers. Cooking doesn’t destroy the nitrates, but juice may be more efficiently absorbed.

A study testing whole cooked beetroot at different portions (100g, 200g, 300g) found that all amounts lowered blood pressure in young adults. However, older adults needed the most (300g, providing about 816mg nitrate) to see significant effects. This suggests older people may need more nitrate to get the same benefit—possibly because their oral bacteria or nitric oxide pathways work less efficiently.

Capsules are problematic. Beetroot capsules bypass your mouth entirely, skipping the critical bacterial conversion step. One study found beetroot juice raised plasma nitrate and nitrite levels more effectively than equivalent doses of pure nitrate salt. If you can’t tolerate the juice, try beetroot powder mixed into water or a smoothie—at least it contacts your mouth bacteria before swallowing.

Other nitrate-rich vegetables work too. A 12-week trial found that eating 250-300g of nitrate-rich vegetables daily (spinach, arugula, lettuce) lowered daytime blood pressure by 5 points in middle-aged and older adults with elevated readings. Interestingly, the vegetable group actually outperformed the beetroot juice group in this longer trial, possibly because whole vegetables provide additional beneficial compounds.

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Do Red, Golden, and Other Beet Varieties Work the Same?

Here’s good news if you find red beets too earthy or you’re tired of pink urine: the color doesn’t matter for blood pressure benefits.

A randomized controlled trial directly compared bread enriched with red beetroot versus white beetroot (the golden/yellow variety) in healthy men. Both varieties lowered systolic and diastolic blood pressure over 24 hours, with no statistical difference between them. The researchers specifically noted that the blood pressure-lowering effect was “unaffected by the presence of betacyanins”—the red-purple pigments that give red beets their distinctive color.

This confirms what the science predicts: the active ingredient for blood pressure is the nitrate content, not the pigments.

What this means for your shopping list:

• Red beets: Most commonly available, most studied, will turn your urine pink
• Golden/yellow beets: Work equally well for blood pressure, milder and sweeter taste, won’t cause pink urine (no red pigments)
• Chioggia (candy-striped) beets: Should work the same based on mechanism, though not directly studied

One interesting note: the red pigments (betalains) in red beets do have their own health benefits—they’re powerful antioxidants that may help reduce inflammation and protect against oxidative stress. So red beets offer a “bonus” beyond blood pressure, but if taste or the pink urine bothers you, golden beets deliver the same blood pressure benefits without those side effects.

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Who Benefits Most

Based on the research, beetroot makes the most sense for specific groups:

People with high blood pressure. The 2024 analysis specifically examined hypertensive individuals (blood pressure ≥140/90) and found consistent benefits. The effect is larger in people with higher starting blood pressure.

People already on blood pressure medication who aren’t at goal. The landmark trial included patients already taking blood pressure drugs. Adding beetroot juice provided additional reduction on top of their medication—potentially enough to avoid adding a second drug or increasing doses.

Overweight adults. Research suggests blood pressure benefits are “progressive among overweight adults,” meaning this population may see particularly good responses.

Older adults (with a caveat). Older people may need higher doses to see effects. One study found young adults responded to all beetroot doses tested, while older adults only showed significant blood pressure reduction at the highest amount (equivalent to about 800mg nitrate).

Who probably won’t see dramatic benefits:

People with normal blood pressure. Unlike medications, beetroot doesn’t seem to lower already-normal blood pressure much. This is actually a safety feature—you’re unlikely to drop your pressure too low.

Heavy mouthwash users. If you use antibacterial mouthwash multiple times daily, you may be killing the bacteria needed to convert nitrate to nitric oxide.

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Bonus Benefits: Exercise Performance

Beetroot isn’t just for blood pressure. Athletes have been using it for years to improve endurance.

An analysis of 123 studies found that nitrate from beetroot juice improved exercise performance, particularly for activities lasting 2-10 minutes. The mechanism is the same: nitric oxide improves blood flow and oxygen delivery to muscles, making them work more efficiently. The exercise felt easier even though they performed better.

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A Potential Bonus for Men

Since beetroot works by increasing nitric oxide—the same molecule that enables erections—there’s a logical connection to sexual function. While no clinical trials have directly tested beetroot for erectile dysfunction, the mechanism is identical to what makes medications like Viagra work.

A 2025 review noted that plant-based diets rich in nitrates (like those found in beetroot) “could enhance penile erection as it improves endothelial function” through nitric oxide production.

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How Much and What Form?

Dose: Clinical trials used 200-800mg of nitrate daily, typically from 250-500mL of beetroot juice. Most concentrated beetroot juice products (like Beet It or similar brands) provide about 400mg nitrate per 70mL shot.

Timing: Effects begin within 2-3 hours of consumption and can last 6-8 hours. For sustained benefit, daily consumption is needed.

Duration: The 4-week trial showed no tolerance development. A 60-day trial showed continued benefits. The 2024 analysis noted “no sign of development of tolerance” across studies.

Form priority:

1. Concentrated beetroot juice (most studied, most convenient)
2. Regular beetroot juice (250-500mL daily)
3. Whole beets or beetroot powder mixed in liquid (contacts mouth bacteria)
4. Capsules (least effective—bypasses oral conversion)

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What About Side Effects?

The safety profile is remarkably clean. The main “side effects” are:

Pink or red urine/stool (beeturia). Completely harmless but can be alarming if you’re not expecting it. Affects about 10-14% of people. Golden beets avoid this entirely.

Earthy taste. Some people find beetroot juice tastes like dirt. Mixing with apple juice or other fruits helps. Golden beets have a milder, sweeter flavor.

Who should be cautious: People prone to kidney stones (beetroot is high in oxalates) should consult their doctor.

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The Honest Limitations

No cardiovascular outcomes data. We have strong evidence beetroot lowers blood pressure numbers. We don’t have large trials proving it prevents heart attacks or strokes. The assumption is that lower blood pressure equals fewer cardiovascular events, but this hasn’t been proven specifically for beetroot.

Taste and convenience. Not everyone enjoys drinking beetroot juice daily. The earthy flavor can be off-putting, though golden beets and fruit mixing can help.

Capsules don’t work the same way. If you hate the taste and want to take capsules instead, you’ll likely miss most of the benefit.

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Scores reflect evidence for blood pressure reduction in adults with hypertension. All forms except capsules require contact with mouth bacteria for optimal effect.

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Recommendations

Allow 2-4 weeks to see the full effect on your blood pressure. Take consistently, ideally with or after a meal.

Important: Avoid antibacterial mouthwash if you’re using beetroot for blood pressure benefits. Regular toothpaste is fine.

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The Bottom Line

Beetroot juice at 250-500mL daily (or concentrated shots providing 400-800mg nitrate) reduces blood pressure by 5-8 points in people with hypertension based on multiple randomized controlled trials. The European Society of Hypertension recognizes it as having “the most convincing evidence of antihypertensive effect” among foods. A 4-week trial showed reductions comparable to some blood pressure medications, with no tolerance development.

Good news for picky eaters: golden and yellow beets work just as well as red beets—the blood pressure benefit comes from the nitrate, not the color. So if you find red beets too earthy or want to skip the pink urine, golden beets are an equally effective alternative.

For someone with readings of 142/90 trying to get below 130/80, beetroot could provide meaningful additional reduction at a cost of about $2-3 daily. It’s not a replacement for medication when medication is needed, but it’s a legitimate, evidence-backed addition to a blood pressure management strategy—with the bonus of potentially improving exercise performance and blood flow throughout the body.

Just skip the antibacterial mouthwash.

For more information about other ways to reduce your blood pressure without medication, read our companion article, 6 Supplements That Actually Lower Blood Pressure (Backed by Clinical Trials)