Benefits of Eating Beets: What Nutrition Research Generally Shows

Beets have earned serious attention in nutrition science — not as a superfood trend, but as a vegetable with a genuinely unusual nutrient profile. The research behind several of beets' proposed benefits is more substantial than what you'd find behind most vegetables. Here's what the science generally shows, and why individual results vary considerably.

What Makes Beets Nutritionally Distinct

Beets (Beta vulgaris) are root vegetables that contain a combination of nutrients not commonly found together in a single food:

• Dietary nitrates — compounds that the body converts into nitric oxide
• Betalains — the pigments that give beets their deep red-purple color, which also function as antioxidants
• Folate (vitamin B9) — important for cell production and DNA synthesis
• Manganese, potassium, and vitamin C — in meaningful amounts per serving
• Fiber — both soluble and insoluble

A medium cooked beet (about 100g) provides roughly 43 calories, 10g of carbohydrates, 2g of fiber, and about 20% of the Daily Value for folate. Beets are relatively low in fat and protein.

The Nitrate-to-Nitric Oxide Pathway 🌿

The most studied benefit of beets centers on their high dietary nitrate content. When you eat beets, nitrates are absorbed and converted — first in saliva by oral bacteria, then in the stomach — into nitric oxide, a molecule that helps relax and widen blood vessels.

This process has been linked in research to:

• Modest reductions in blood pressure — multiple clinical trials have observed short-term blood pressure reductions following beet juice consumption, particularly in adults with elevated blood pressure. Effects tend to appear within hours and may persist for several hours to a day.
• Exercise performance — some well-designed trials suggest that beet juice or nitrate supplementation may improve oxygen efficiency during aerobic exercise, potentially benefiting endurance performance. These findings are more consistent in recreational athletes than in elite athletes, where evidence is more mixed.

It's important to note that most of this research uses concentrated beet juice rather than whole beets, and the nitrate amounts in research protocols often exceed what most people eat in a typical serving of vegetables.

Antioxidant Activity and Inflammation

Beets' red and yellow pigments — collectively called betalains — have demonstrated antioxidant and anti-inflammatory properties in laboratory and animal studies. Human clinical data is more limited. What the research currently supports is that betalains can neutralize certain reactive compounds in controlled settings; whether this translates to meaningful anti-inflammatory effects in the human body at normal dietary intakes is still being studied.

Beets also contain vitamin C and smaller amounts of other antioxidants, contributing to their overall antioxidant profile — though many other vegetables are richer sources of these specific compounds.

Folate Content and Who It Matters For

Beets are a notably good source of folate, a B vitamin critical for:

• DNA synthesis and cell division
• Red blood cell formation
• Fetal neural tube development during early pregnancy

Folate from food sources (called folate, distinct from the synthetic folic acid in supplements) is generally well absorbed from beets. For individuals whose diets are low in leafy greens and legumes — the other primary folate sources — beets can make a meaningful contribution.

Digestive Fiber and Gut Health

Whole beets provide both soluble and insoluble fiber, supporting digestive regularity and contributing to the overall fiber intake that research consistently links to colorectal health, blood sugar management, and cardiovascular markers. Beet juice, by contrast, contains very little fiber — a meaningful distinction when considering different forms of consumption.

Comparing Forms: Whole Beets vs. Beet Juice vs. Beet Powder

Most of the clinical research on blood pressure and exercise performance used concentrated beet juice — not whole beets or powders. Extrapolating those findings to whole beets or supplements requires caution, as nitrate concentration, bioavailability, and processing all vary.

Factors That Shape Individual Outcomes

Not everyone responds to dietary nitrates the same way. Key variables include:

• Use of antibacterial mouthwash — which kills the oral bacteria needed to convert nitrate to nitrite, reducing the body's ability to produce nitric oxide from beets
• Existing blood pressure and cardiovascular status — research suggests larger responses in those with elevated blood pressure than in those with normal readings
• Gut microbiome composition — influences how efficiently nitrates are processed
• Overall diet — those already eating nitrate-rich diets (leafy greens, other vegetables) may see smaller additional effects
• Medications — people taking blood pressure medications or medications that interact with nitric oxide pathways (including certain erectile dysfunction drugs) should be aware that beets' vasodilatory effects could interact with these drugs
• Kidney health — beets are moderately high in oxalates, compounds that can contribute to certain types of kidney stones in susceptible individuals
• Digestive sensitivity — beets are relatively high in FODMAPs and can cause digestive discomfort in people with irritable bowel syndrome or fructose sensitivity

A Note on Beeturia

One harmless but startling phenomenon: eating beets causes pink or red urine and stool in a significant portion of people — a condition called beeturia. It's generally harmless, but the frequency of it varies between individuals based on gut acidity and iron absorption patterns. 🔴

What the Evidence Leaves Open

The most robust beet research involves blood pressure and short-term exercise performance, using concentrated juice in controlled settings. Evidence for long-term cardiovascular benefit, inflammation reduction, or broader metabolic effects in humans is still developing. Much of what's referenced in popular health media draws from preliminary or animal studies that haven't yet been replicated in large human clinical trials.

How much of this research applies to any individual depends on their baseline health, diet, medications, digestion, and how beets are prepared and consumed — details that no general nutrition article can assess.