Can Pineapple Strengthen Your Immune System?

How Eating This Tropical Fruit Could Help You Battle Illness

Many people are constantly seeking out ways to improve their health and bolster their immune systems. Thankfully, pineapple is a delicious way to add extra, valuable nutrition to your diet and, some experts say, prepare your body to ward off sickness. Plus, some believe this tropical superfood can even offer a natural remedy to help ease a cough or sore throat.

Why Pineapple is a Superfood

Superfoods earn their titles thanks to their nutrient-rich nature and the health benefits they offer. Full of antioxidants, vitamins, bromelain, fiber, manganese, potassium, and other valuable nutrients, studies have shown pineapple to have a positive effect on our health and well-being (see resources below for more information). Plus, despite being naturally sweet, pineapple is quite calorically low and is a wonderful substitution for other sugary desserts.

When it comes to its vitamin C content, pineapple is truly a powerhouse: one cup of pineapple contains 131% of the suggested daily intake. For your immune system, vitamin C is a vital nutrient. According to Oregon State University, it can stimulate the production of white blood cells, helping your body fight off pathogens and, as an antioxidant, can protect your cells from free radicals and improve cell function. Adding additional vitamin C to your diet has also been shown to shorten the duration of colds and reduce inflammation (see resources below for more information).

In addition to vitamin C, pineapple also is a great source of the enzyme bromelain. This nutrient can aid with digestion, and some studies have seen it help prevent macular degeneration (learn more on WebMD) and reduce anxiety (learn more on Natural Health Research). For those feeling sick, studies have demonstrated pineapple juice to have strong anti-inflammatory properties, and bromelain is commonly used as a treatment for hay fever and sinusitis. Additionally, pineapple juice is thought to be a lytic agent, which means that it can breakdown mucus so it doesn’t settle as readily in your airways and reduce cough symptoms.

Sip Your Way to Better Health

To boost your immune system, Dr. Oz suggests adding more nutrient-rich fruits and vegetables to your diet. One of his favorite ways to enjoy them? In smoothies, like this Immune-Boosting Ginger Hydrator featuring pineapple, banana, orange, and ginger.

pineapple immune system smoothie
Photo and recipe from Dr. Oz


  • 1/2 frozen banana
  • 1/4 frozen Chestnut Hill Farms pineapple
  • 1/2 orange
  • ½ tbsp ginger
  • 3/4 cup coconut water


  1. Blend all ingredients together and enjoy!

Try Soothing a Sore Throat With Pineapple Cough Syrup

If you’re already feeling under the weather, pineapple cough syrup can be a great natural remedy to try. Keep in mind that its effectiveness will depend on the cause and severity of your cough (learn more at Healthline).

pineapple cough syrup


  • 1 cup fresh Chestnut Hill Farms pineapple juice (learn how to make fresh juice)
  • Pinch of salt
  • Pinch of pepper
  • 1 1/2 tsp honey


  1. Combine fresh pineapple juice, salt and pepper in a glass.
  2. Warm honey slightly so it’s easier to mix. Add pineapple juice mix.
  3. Sip 1/4 cup of mixture up to three times a day to relieve sore throat.
  4. Keep refrigerated.

If you’d like to try something a little stronger, cayenne and ginger can add an extra spicy kick to your cough syrup. Check out a recipe for the spicier version of this remedy here.

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To learn more about pineapple’s nutritional and health benefits, explore the sites below.

  1. Cuisine for Healing – Superfood Pineapple
  2. Healthline – 20 Healthiest Fruits
  3. Oregon State University – Immunity in Depth
  4. Oregon State University – Vitamin C
  5. Atkins – Vitamin C Could Reduce Inflammation
  6. Medical News Today – Pineapple Juice for Cough Relief
  7. Healthline – Pineapple Juice and Your Cough
  8. Dr. Oz – 4 Ways to Strengthen Your Immune System
  9. Purdue – Fruits and Vegetable Safety During Coronavirus
  10. Get Fit Guy – Natural Remedies for Injury
  11. Health24 – 5 Secret Healing Powers of Pineapple
  12. Fit Flavors – Why You Should Eat More Pineapple
  13. Shape – 12 Foods to Boost Your Immune System
  14. Redbook – Best Spring Superfoods
  15. Medical News Today – Health Benefits of Bromelain
  16. Well and Good – 5 Benefits of Pineapple for Your Gut, Skin, and Immunity
  17. NCBI – Study on Bromelain’s Antiinflammatory Properties
  18. Scientific Wellness – Bromelain as a Treatment for Sinusitis

Medical Disclaimer: This post has not been evaluated by the FDA. The information, including but not limited to, text, graphics, images and other material contained on this website are for informational purposes only. This information is not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition or treatment and before undertaking a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read. 

More information can be found via resources at WebMD and other websites listed above.

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