7 Vegetables that Fight Inflammation and Pain

June 4, 2025

Backed by Science

Vegetables contain an abundance of plant chemicals also known as phytochemicals with antioxidant and anti-inflammatory properties that help the body fight inflammation and pain. When the body is injured, the body automatically respond with inflammation as part of the healing process. Once healed, inflammation goes away and the body goes back to normal. However, there are times when things run a mock and inflammation hangs on for a long time that is becomes chronic. In chronic inflammation, unstable chemicals known as free radicals increase in numbers that overwhelm the body’s natural antioxidants that keep them in check,  causing prolonged inflammation. In these cases, antioxidant and anti-inflammatory compounds from foods eaten can help with the fight to neutralize these and restore balance. Below are 7 vegetables that are rich in these chemicals, making them powerful agents in the fight against inflammation.

Beets

Beet Root
Beet Root

Beet Root, considered a “super food” with one of the most powerful antioxidant-capacity,  contains:

  1. Betalains the substances responsible for the rich red-violet color,  have both antioxidant and anti-inflammatory capabilities.  They block the COX-2  enzymes and stabilize the free radicals, that both contribute to inflammation. Free radicals are unstable chemical substances.
  2. Other antioxidants such as phenolics,  vitamin C, Vitamin Es, also help the body neutralize the free radicals, that damage cells and tissue resulting in inflammation.
  3. Nitrates convert into nitric oxide which helps resolve inflammation by suppressing  the formation of free radicals and neutralizing them.

Broccoli

Broccoli

Broccoli is one of the cruciferous vegetables, a group of vegetables that is laden with:

  1. Glucosinolates the sulfur containing compound responsible for  the unique smell and taste of vegetables in that family like broccoli, cabbage, cauliflower and turnip.  When broccoli is cooked or chewed, the  glucosinolates release  sulforaphane  a chemical compound which is  antioxidant and anti-inflammatory.  Sulforaphane counters inflammation by disrupting the production of substances that cause inflammation such as cytokines and help neutralize the free radicals, unstable chemicals associated with inflammation.
  2. Fiber that helps to promote healthy bacteria in the gut which in turn helps to reduce inflammation. Like other vegetables, Broccoli is rich in  fiber.
  3. Quercetin is another powerful antioxidant, anti-inflammatory that helps reduce inflammation by blocking the production of inflammatory substances and neutralizing free radicals.

    Sweet Potato

Sweet Potato

Sweet potato referred to as a”Superfood” by the ‘Centre for Science in the Public Interest’ (CSPI),  USA,  is rich in substance such as vitamins A and C,  fiber, flavonoids, phenolic acids, carotenoids  etc., that play a role in fighting inflammation. 

  1. The orange sweet potatoes shown  in the photograph, is especially rich in Beta Carotene, which      accounts for its orange color.  According to the USDA One medium size sweet potato contains 12,581 mg of Beta Carotene, giving it a powerful knock-out punch against the free radicals, unstable chemicals that contributes to inflammation.
  2. The specific mix of plant chemicals, flavonoids, phenolic acid and carotenoids etc., in the different colored sweet potatoes, white, yellow, orange and purple vary depending on the color, however they all have strong antioxidant properties that help to neutralize the unstable chemical substances (free radicals) that contribute to inflammation.
  3. The Plant chemicals are present in greater amounts in the unpeeled potato than the peeled potatoes. This is something worth considering.  We do eat the skins of baked white potatoes.
  4. Fiber in sweet potatoes as with other vegetables, contribute to a healthy gut and reduced inflammation.

Spinach

Spinach

Spinach is rich with bioactive substances such as polyphenols, flavonoids, carotenoids, vitamins  C and E, Omega-3 fatty acid and antioxidants that all help fight inflammation .

  1. As with other vegetables, these substances neutralize the unstable chemical substances (free radicals) that are linked to inflammation.
  2. Due to the substantial amounts of polyphenols, spinach has a greater capacity to neutralize the free radicals than some other green vegetables.

   Carrots

Carrots

Carrots, white, yellow, orange, red and purple  are rich in plant chemicals; phenolic compounds, carotenoids, polyacetylenes and ascorbic acid, plant chemicals with antioxidant and anti-inflammatory properties,  that all help fight inflammation and pain

  1. The specific combination of these chemicals,  vary according to the carrot’s color, and hence the antioxidant capacity,  they all pack a powerful punch in the fight against the free radicals, substances that contribute to inflammation.
  2. The orange carrot featured in the photograph, the most commonly used, Like sweet potatoes has a very high concentration of beta carotene. According to the USDA 1 cup of cooked carrots without fat contains 12,670 mg of Beta Carotene.
  3. More carotene is available from steamed carrots than boiled.
  4. In all carrots, the highest concentration of phenolic compound is found in the skin, followed by the flesh and then the core.  This is food for thought.
  5. Trivia: Carotenoids which includes Beta Carotene are named after Carrots due to the huge amount its roots.

Cauliflower

Cauliflower

Cauliflower with an abundance of plant chemicals such as carotenoids, tocopherols, vitamin C, glucosinolates, phenolic compounds, Sulforaphane , quercetin, kaempferol and fiber etc.,  is a powerful fighter of inflammation and pain. How they work?

  1. Antioxidants such as vitamin C, quercetin, kaempferol help neutralize the, unstable chemicals (free radicals) that contribute to inflammation.
  2. Sulforaphane a sulfur containing chemical blocks the production of inflammatory substances.
  3. Fiber promotes healthy gut bacteria  that help to regulate the body’s immune response and reduce inflammation.
  4. Blood Sugar friendly – Cauliflower has a low glycemic index which means that it causes a gradual and moderate increase in blood sugar after consumption, helping to prevent a blood sugar spike that can trigger inflammation.

Bell Peppers

Bell Peppers

All the different colored bell peppers, green, yellow, orange and red are rich in bioactive compounds such as flavonoids,  phenolic compounds, carotenoids,  capsanthin , quercetin , tocopherol, and vitamin C  etc. that actively fight inflammation and pain. 

  1. Carotenoid is the substance responsible for the vibrant, red, yellow and orange color with the highest amount found in the red, followed by the orange, then the yellow, then the green and is a powerful antioxidant.
  2. However, the different chemicals vary in amounts depending on the variety and color making all 4 colored peppers rich with antioxidant and anti-inflammatory agents.
  3. Although the green, yellow, orange and red sweet peppers are the most popular, the dark violet and purple sweet peppers also possess antioxidant and anti-inflammatory substances that can neutralize free radicals and help reduce inflammation and pain.

Ionie Ponde, MS, RD, LDN

B Food Savvy

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