science behind castor oil

The Science Behind Castor Oil


Posted on

by Arianne Missimer

Castor oil has been a go-to remedy for many ailments for centuries. Whether it’s easing pain, relieving constipation, or reducing inflammation, castor oil has proven itself time and again. Let’s take a closer look at the science behind castor oil and its potential health benefits.

Rather watch or listen?

YouTube video

What is Castor Oil?

Castor oil comes from the seeds of the Ricinus communis plant, which is native to India. People have used it for thousands of years, and it’s still popular today. Historically, castor oil was even used as an engine lubricant during World War I. Today, you’ll find it in cosmetics, food additives, and some medicines, but it’s most famous for its ability to relieve constipation.

The oil is rich in ricinoleic acid, which makes up about 80-90% of its fatty acids. This unique composition gives castor oil its special properties, making it a useful addition to your health routine.

Let’s dive into the research on how castor oil can impact your health. This is a summary based on Evidence for the Topical Application of Castor Oil.

Castor Oil for Liver and Immune System Function

The liver is crucial for detoxifying your body. Castor oil packs may help support liver function. In 1998, a study looked at how these packs affected immune function by applying them over the liver and abdomen. The study involved 36 healthy adults and found that castor oil packs led to a slight increase in lymphocytes, a type of white blood cell that plays a role in your immune response. Although the increase was small, this suggests that castor oil packs might help boost your immune health.

Another study with 17 participants who had fatigue showed similar results. Their lymphocyte levels improved, and their liver enzymes and cholesterol levels normalized.

While these studies were small, they suggest that castor oil could benefit those with immune challenges or who are undergoing chemotherapy.

Castor Oil for Pain Reduction

Castor oil has also shown promise in reducing pain. In one study, researchers compared castor oil to other substances like ultrasonic gel and petroleum jelly during shockwave therapy for conditions like shoulder tendonitis and plantar heel spurs. Out of 60 patients, those treated with castor oil reported less pain than those who used other substances. This suggests that the chemical makeup and thickness of castor oil might help relieve pain.

Castor Oil for Constipation

Castor oil is best known for helping with constipation. A study focused on elderly nursing home residents with chronic constipation found that castor oil packs led to better bowel movements. Over three days, residents who used castor oil packs for 60 minutes each day saw improvements in bowel movement quality, less straining, and a greater sense of relief after going to the bathroom. Although the frequency of bowel movements didn’t change, these findings highlight castor oil’s potential as a natural remedy for constipation.

Is Castor Oil Good for Inflammation and Pain?

Beyond pain relief, castor oil might also help with inflammation. In a study on mice and guinea pigs, researchers compared the anti-inflammatory effects of castor oil to capsaicin, a compound found in chili peppers. They found that ricinoleic acid, the main component of castor oil, helped reduce substance P, a neuropeptide involved in pain and inflammation. This suggests that castor oil could help manage conditions like neuralgia or diabetic neuropathy.

Key Takeaways 

While the research on castor oil is promising, it’s important to note the limitations, such as small sample sizes in studies. However, the low risk and potential benefits make it worth considering as a natural remedy.

Quick Tips for Using Castor Oil

If you’re interested in trying castor oil, here are a few tips:

  • Choose high-quality, cold-pressed castor oil.
  • For castor oil packs, apply a small amount of heat for better absorption. Start by applying the pack over your liver for 30 minutes before bed, and gradually increase the time. You can eventually wear it overnight.
  • Be aware of potential detoxification reactions, such as grogginess, nausea, headache, or fatigue. This is known as a Herxheimer reaction, and while it’s usually mild, it’s good to be prepared.

Castor oil offers a range of potential health benefits, from supporting liver detoxification to reducing inflammation and relieving constipation. I encourage you to explore its use and see how it works for you. If you’ve had any experiences with castor oil, please share them in the comments. Whether you’re a seasoned user or trying it for the first time, I’d love to hear your thoughts.

Share Your Experience

Give castor oil a try, and let us know how it goes! We’d love to hear your comments and experiences. If this was helpful, please give it a like, share it, and subscribe to our YouTube channel, the Movement Paradigm, for weekly tips on mindset, nutrition, and movement. Our goal is to help you live your best life, heal, transform, and, more importantly, thrive.

Join Our Community

You can always join us in our app, the Movement Paradigm. We have lots of challenges every other month—everything from movement to the nervous system, nutrition, and so on. And we have a great community of people. 

You can also reach out to us for an individual appointment for functional medicine or holistic physical therapy. If you really want to get to the root cause, please reach out to us.

Other things that might interest you:

3 Pelvic Exercises for Constipation

Gut Health and Chronic Pain: Strategies for a Pain-Free Life

Is the Liver the Root Cause of Your Neck Pain?