Every time you eat, your body is either feeding inflammation or fighting it.

Antioxidants are the compounds that tip the scales toward the latter — they neutralize free radicals, reduce oxidative stress, and lower the long-term risk of heart disease, certain cancers, and cognitive decline. The good news is they're cheap and available at any grocery store.

Beans Are the Surprise Champions

Most people think leafy greens when they hear "antioxidants," but research from the USDA shows that legumes actually rank at the top. Half a cup of red kidney beans delivers around 13,259 antioxidant units. Pinto beans clock in at 11,864. These numbers rival many fruits. Beans are also inexpensive, filling, and easy to toss into soups, salads, or grain bowls.

Dark Leafy Greens — Especially Raw Kale

Kale contains polyphenolic compounds and is dense in vitamins A, C, and E. One cup of raw kale covers over 100% of the daily recommended intake for both vitamin A and K. One important note: cooking kale reduces its antioxidant capacity. Raw kale in a salad or blended into a juice retains significantly more of those protective compounds than sautéed or steamed kale.

Spinach, Artichoke Hearts, and Beets

Spinach provides flavonoids and carotenoids that support eye health and immune function. Artichoke hearts are loaded with chlorogenic acid and cynarine — bioactive compounds that support liver health and help lower cholesterol. Beets get their deep red color from betalains, antioxidants linked to reduced risk of certain digestive cancers.

Don't Overlook Broccoli and Carrots

Broccoli and other cruciferous vegetables contain compounds called isothiocyanates, which may help support the body’s natural detoxification systems by influencing liver enzyme activity, according to the National Institutes of Health.

Carrots are rich in beta-carotene, a plant pigment the body converts into vitamin A, an essential nutrient for maintaining healthy vision and immune function. The Harvard T.H. Chan School of Public Health notes that because beta-carotene is fat-soluble, eating carrots with healthy fats such as olive oil or avocado can improve its absorption.

Getting a wide range of vegetables in different colors is the most practical approach. Each color group carries different antioxidant compounds. Red, orange, green, purple — variety is more important than loading up on one single "superfood."