Beetroot, often celebrated as a superfood, has earned its place in countless juices, salads, and health trends due to its impressive nutrient profile and potential health benefits. Rich in nitrates, antioxidants, fiber, folate, and potassium, this vibrant root vegetable is said to improve blood pressure, boost athletic performance, enhance detoxification, and even support brain health. But is beetroot really suitable for everyone?
While beetroot certainly has health-boosting properties, it’s important to look at the full picture. Like any natural food or remedy, it’s not without potential side effects or contraindications. For some people, consuming beetroot—especially in large quantities or as concentrated juice—can lead to unexpected symptoms ranging from mild digestive issues to more serious health concerns. The goal of this article isn’t to demonize beetroot, but rather to shed light on the lesser-known risks that could make it problematic for certain individuals.
Natural health expert Barbara O’Neill often emphasizes the importance of understanding your own body before diving into any health trend. Just because something is natural doesn’t mean it’s universally safe. Let’s explore the potential downsides of beetroot so you can make informed choices and avoid unwanted effects.
1. Oxalates and Kidney Stones
One of the most significant concerns associated with beetroot is its high oxalate content. Oxalates are natural compounds found in many plant foods, and while they’re harmless to most people, they can pose a risk to individuals prone to kidney stones.
Beetroot is particularly rich in oxalates, which can bind with calcium in the body to form calcium oxalate kidney stones. For individuals with a history of kidney stones—or those with high levels of urinary oxalates—regular consumption of beetroot juice may increase the risk of recurrence.
If you have a tendency to develop kidney stones, it’s wise to limit high-oxalate foods or consult with a nutritionist about oxalate-friendly alternatives.
2. Beeturia: Harmless but Startling
Beeturia is the reddish or pink coloration of urine or stools after eating beetroot. While it’s not harmful and occurs in about 10–14% of the population, it can be alarming if you’re not expecting it.
This color change is due to betalain pigments in beets, which are not always broken down during digestion. Although beeturia is harmless, in rare cases it may also signal issues with iron metabolism or low stomach acid, so persistent occurrences may be worth discussing with a healthcare provider.
3. Blood Pressure Drops Too Low
Beetroot is well known for its ability to lower blood pressure due to its natural nitrate content, which is converted in the body into nitric oxide—a compound that dilates blood vessels. While this effect is beneficial for many, people who already have low blood pressure or are taking blood pressure medications should be cautious.
Overconsumption of beetroot juice in such individuals can potentially lead to hypotension (abnormally low blood pressure), resulting in dizziness, fainting, fatigue, or blurred vision. If you are on blood pressure medication, consult your doctor before adding beetroot juice to your daily routine.
4. Gastrointestinal Upset
Though beets are rich in fiber, which supports digestion, some people may experience gastrointestinal side effects when consuming them, particularly in large amounts or in juice form. Common complaints include bloating, gas, stomach cramps, and even diarrhea.
This is especially true for people with sensitive digestive systems or those not used to a high-fiber diet. Start slowly and observe how your body reacts. Juicing removes the fiber, but the sugars and active compounds may still trigger reactions in those with irritable bowel syndrome (IBS) or similar conditions.
5. Possible Allergic Reactions
Although rare, some people can be allergic to beetroot. Allergic reactions may include skin rashes, itching, hives, swelling, or even difficulty breathing in severe cases. If you notice any symptoms of an allergic reaction after consuming beetroot, seek medical advice immediately.
Cross-reactivity with other vegetables or pollens can also trigger responses in sensitive individuals, especially those with existing food or environmental allergies.
6. Interaction with Medications
Because of beetroot’s ability to influence blood pressure, it may interfere with medications designed to regulate cardiovascular health. Beetroot can amplify the effects of antihypertensive drugs, anticoagulants, and vasodilators.
People on medications like blood thinners (warfarin), ACE inhibitors, or diuretics should approach beetroot consumption carefully. There’s also a risk of beetroot interfering with calcium-channel blockers, given its potassium content. Always consult your healthcare provider if you’re taking medications and considering high-nitrate foods.
7. Iron Overload (Hemochromatosis)
Beetroot contains a decent amount of iron and can stimulate iron absorption when paired with vitamin C-rich foods. While this is generally good for those with anemia, it can be problematic for people with hemochromatosis—a genetic disorder where the body stores too much iron.
For such individuals, regularly consuming beetroot juice could contribute to iron overload, leading to liver damage, heart problems, or joint pain over time. Monitoring iron levels is important if you’re using beetroot therapeutically.
8. Not Ideal for Diabetics in Large Amounts
Despite having a low glycemic index, beetroot still contains natural sugars and can contribute to increased blood glucose levels if consumed in large quantities, especially in juice form. Juicing concentrates the sugars while eliminating the fiber that slows glucose absorption.
Diabetics should be particularly cautious with beetroot juice and instead aim to consume beets in their whole, raw or cooked form, in moderate amounts.
9. Heavy Metal Absorption from Soil
Beets are root vegetables that absorb nutrients—and contaminants—from the soil. In areas with heavy pesticide use or soil contamination (including heavy metals like lead, arsenic, or cadmium), beetroot may absorb and concentrate these toxins.
Sourcing organic, well-tested produce is important if you’re consuming beets regularly. Washing and peeling can help reduce exposure, but it doesn’t eliminate internal accumulation from contaminated soil.
How to Safely Enjoy Beetroot
While these risks are real, most of them occur with excessive intake or in sensitive individuals. Beetroot is still a nutrient-dense food when consumed in moderation. Here are a few safety tips:
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Start small: Begin with small servings and monitor how your body responds.
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Don’t overdo juice: Limit beet juice to about ½ to 1 cup per day unless directed otherwise by a health practitioner.
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Balance your diet: Rotate with other vegetables to avoid buildup of oxalates or nitrates.
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Consult if medicated: Always check with a doctor if you’re on blood pressure or blood-thinning medications.
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Stay hydrated: Beetroot’s detoxifying effect works best with adequate water intake to flush toxins.
Final Thoughts
Beetroot offers a wealth of health benefits, from improving circulation and boosting stamina to aiding liver detoxification and brain health. But like any concentrated health food, it should be used thoughtfully. The key is moderation and understanding your own body’s needs and conditions.
Barbara O’Neill frequently reminds people that “the most powerful medicine is often found in your kitchen,” but she also cautions that natural doesn’t always mean harmless. Listening to your body, researching well, and adjusting based on individual responses is the best way to achieve lasting health naturally.