Organic Castor Oil 32 oz

Our organic castor oil is cold-pressed and hexane-free, providing a clean and nutrient-rich oil. Promotes health and wellness when used as a nourishing castor pack. Ideal for all skin types. Moisturize and mellow out, with this relaxing organic castor oil for wellness packs. Soothes and relaxes. Can be used as a warming massage oil. Insider tip: Previously known as Palma Cristi, this oil is known to have many wellness properties. Every brand deserves a refresh – we updated our packaging but rest assured our formulas are exactly the same.

  • In Stock
  • We Deliver Worldwide
$37.09

Secure Checkout

Lab Verified Purity & Potency
Expert Recommended
Since 1990
Free Discovery Call
Clean Formulations
Fast & Reliable Shipping

Castor oil, derived from the seeds of the castor bean plant, has been used for centuries in traditional medicine. Its main active component is ricinoleic acid, a fatty acid with anti-inflammatory, antimicrobial, and moisturizing properties. The U.S. FDA approves it only as a stimulant laxative for temporary constipation relief — this is its most evidence-based use.

Many other popular benefits (especially from social media trends like castor oil packs, lash growth, or "detox") rely more on anecdotal reports than strong scientific proof. Here's a breakdown of the key claimed benefits, based on reliable sources like WebMD, Cleveland Clinic, NIH, and recent studies:

 

 

 

 

 

 

 

Our organic castor oil is cold-pressed and hexane-free, providing a clean and nutrient-rich oil. Promotes health and wellness when used as a nourishing castor pack. Ideal for all skin types. Moisturize and mellow out, with this relaxing organic castor oil for wellness packs. Soothes and relaxes. Can be used as a warming massage oil. Insider tip: Previously known as Palma Cristi, this oil is known to have many wellness properties. Every brand deserves a refresh – we updated our packaging but rest assured our formulas are exactly the same.

Well-Supported Benefits

  1. Relieves Temporary Constipation Castor oil acts as a powerful natural laxative by stimulating intestinal contractions (via ricinoleic acid binding to receptors in the gut). It typically works within a few hours. This is the only FDA-approved health use, backed by clinical evidence. Note: Use sparingly — overuse can cause cramping, diarrhea, dehydration, or dependency.
  2. Natural Moisturizer for Skin It hydrates dry skin, lips, and minor wounds by creating a protective barrier and promoting a moist healing environment. Ricinoleic acid provides anti-inflammatory effects that may help with irritation. Evidence is solid for moisturizing, though not superior to modern alternatives.
  3. Potential Aid in Labor Induction Some studies show it may stimulate uterine contractions and help induce labor in full-term pregnancies (e.g., one review found higher vaginal birth rates). However, results are mixed, and it often causes nausea. Always consult a doctor — never use during pregnancy without medical supervision.

Popular but Limited-Evidence Benefits

  • Hair, Eyelashes, and Eyebrows Many people apply it to promote growth, thickness, or shine. It may moisturize and add luster (preventing breakage and improving appearance), but there's no strong scientific evidence it actually stimulates new growth or thickens lashes/brows. Benefits are mostly from hydration, not follicle stimulation. Prescription options like Latisse have better proof for lash growth.

Castor Oil Packs (soaked cloth applied to skin, often over the abdomen for "detox," liver support, pain relief, or cramps) Anecdotal reports claim benefits for inflammation, digestion, or detoxification, with some small studies suggesting minor improvements in liver enzymes or immune markers. However, major health organizations (e.g., Cleveland Clinic) state there's no solid scientific proof for detox claims, tumor reduction, or broad systemic benefits. It's generally safe topically but not a miracle cure.-*

Organic Ricinus Communis (Cold Pressed Castor) Oil.

Saturate wool or flannel and place over abdomen or other area. Apply heat to support absorption.

You May Also Like

More skin health Supplements for Your Wellness Journey

Explore hand-selected skin health formulas from Synergistic Nutrition — curated by Stephen Heuer to support your health goals and pair well with Organic Castor Oil 32 oz.

Product access required

If you already have a password, please enter the password

You can obtain this product via our email permission system. It is essentially a mini free email or phone consultation, or call 864-895-6250.

Powered by Fullscript

Explore products and labs

Through Fullscript, Synergistic Nutrition offers high-quality supplements and wellness products, delivered to your door, plus lab tests. Sign in or create an account to explore the catalog.

Up to 15% off products when you check out or sign up

Synergistic Nutrition Google Reviews

Verified customer reviews for expert-curated supplements and nutritional guidance by Stephen Heuer

What do Synergistic Nutrition customers say?

All reviews →
  • "Stephen Heuer has extensive knowledge in helping you recover from any health challenge you are facing. I have had issues with my kidneys and Stephen has been invaluable in helping my health get better. You would do yourself a favor by getting a consultation from him for whatever health challenges you are facing."

    Mark Elliot — Google Review
  • "I've been enjoying the benefits of Synergy One and Green Meadow Whey for years now. At 71, they truly have made me feel 10 years younger — increased energy, better skin, rejuvenated hair growth, and increased libido being the primary benefits."

    Ernie Keller — Google Review
  • "I have used Synergy One for twenty years! I tried getting off it but noticed joint pain, so I got right back on. I will always use this product because it has raised my DHEA level and it seems to make my HRT work better."

    Sofia S. — Google Review
  • "I highly recommend Steven for all his products. I was sick for 5 days and my husband gave him a call — he gave some supplements plus the Green Meadow Whey protein and the following day I was getting better and my energy went back to normal in a few days."

    Salome Hine — Google Review
  • "After taking his recommended supplements, I've lost weight and improved gut health. The specific probiotics working in tandem with the recommended diet improved the health of my gut bacteria and made it extremely easy for me to keep from gaining the weight back."

    Jay Cooper — Google Review
  • "I had a hyperthyroid with shakes and fatigue — doctors wanted to put me on medicine for life. Steven put me on nutrition that completely healed my thyroid. The doctors could not believe the blood count and were shocked that another way of treatment was available."

    Glenn Poore — Google Review
  • "I have called on Stephen's expertise and knowledge in the field of nutrition many times over the years. He offers sound, practical advice and products that work. I highly recommend Synergistic Nutrition to my friends and family!"

    Mary Anne Wise — Google Review
  • "A wonderful experience. Stephen has so much skill and knowledge about health — he has taught me all I know about REAL health. I am forever grateful!"

    Jef Luke — Google Review
  • "Steve is extremely knowledgeable about supplements and how to use them. Very patient and caring. Knows his stuff, and more importantly — it works."

    Marko Zelenovic — Google Review
  • "Dedicated health practitioner. Trusted products. Stephen is ahead of his time. Great customer service."

    Kathleen Dillon — Google Review
  • "Stephen is always available and works on very tight deadlines. Knowledgeable nutritional advice you can trust."

    Glenn McBride — Google Review
  • "Knowledgeable nutritional advice you can trust. Great customer service and products. I highly recommend."

    Collette Ramirez — Google Review
  • "Synergistic Nutrition has some of the most potent supplements on the market today."

    Taiwan Brown — Google Review
  • "Very knowledgeable of the body and how to naturally repair it."

    Jackie SC — Google Review

Free discovery call

20 Minute Meeting

With Stephen Heuer · Eastern Time (USA)

All appointment times are shown and booked in Eastern Time

At the time and day of your appointment, please either join the Zoom meeting link sent to your email inbox or call 864-895-6250. All appointments are on East Coast Time, USA. If you fail to keep your appointment, the only way to have a new consultation with Stephen Heuer, is to book a paid consultation.

If Stephen already has paid consultations at the time of your appointment, you will not be called at your appointed time. You may book a 30 minute paid consultation instead.

Select a Date & Time

Loading available times…

Available on

No appointments available on this date. Please choose another day.

Thank you! Your discovery call is booked.

You will receive a confirmation email shortly.