Beets have garnered attention for their potential health benefits, largely due to their high nitrate content, which can aid in improving blood flow, regulating blood pressure, and enhancing exercise performance. These root vegetables, recognized for their vibrant hues ranging from ruby red to deep purple and bright gold, also contain potent antioxidants and other nutrients that contribute to overall wellbeing.

Nitrate, abundant in beets, is converted in the body into nitric oxide, a molecule that relaxes and dilates blood vessels. This process helps lower blood pressure by improving circulation, particularly benefiting individuals with hypertension. Research has shown that consumption of beetroot juice—produced by pressing raw beets—can reduce systolic blood pressure by approximately five points in affected individuals, compared with a placebo. The effect is especially notable in older adults and people with conditions such as diabetes, obesity, or cardiovascular disease, populations who typically produce less nitric oxide naturally.

While nitrates have received criticism due to their use in processed meats, which can lead to potentially harmful compounds, the nitrates found in vegetables like beets appear to act differently. Experts suggest that the presence of vitamins and other plant compounds in beets mitigates any negative effects and may contribute to their health benefits.

In addition to cardiovascular advantages, nitrates in beets may enhance physical performance. Nitric oxide improves oxygen delivery to muscles during exercise, leading to better endurance and reduced perceived effort. Analyses of multiple studies indicate that beetroot juice consumption increases muscle power output by about 5 percent on average, which can benefit both athletes and individuals performing everyday physical activities. However, the benefits are less pronounced in individuals with higher baseline fitness levels, whose bodies already generate sufficient nitric oxide. For those seeking to optimize the effect, experts recommend consuming beets or beetroot juice at least two hours before exercise to allow for the conversion of nitrate into nitric oxide.

Emerging evidence also points to beets’ potential in supporting brain health. Studies involving older adults have observed increased cerebral blood flow following a high-nitrate intake over a 24-hour period. This improved circulation may have implications for cognitive function and brain aging. Beets are also rich in folate, a key nutrient for fetal neural development and for lowering homocysteine levels in adults—a factor linked to reduced risk of cognitive decline. Furthermore, compounds such as betaine and betalains found in beets possess antioxidant and anti-inflammatory properties that may help protect brain cells.

From a dietary perspective, consuming whole beets is generally preferred over beetroot juice, due to the retention of fiber, which moderates sugar absorption. Canned and pickled beets preserve much of their nitrate content and remain healthy options. While boiling beets can cause some nitrate loss into the cooking water, this liquid can be reused in preparations such as smoothies. To maximize nutrient retention, cooking methods like light roasting, steaming, or adding raw grated beets to salads are recommended, as excessive heat can degrade antioxidants.

Overall, incorporating beets into the diet offers multiple physiological benefits, particularly for cardiovascular health, exercise capacity, and potentially brain function, making them a valuable addition to balanced nutrition.