You may have heard that caprylic acid is good for treating a yeast infection; however, it isn’t so great in actuality. Yes, it's true that caprylic acid is a constituent of coconut oil; yet, there are many other fatty acids in coconut oil as well. Only 6 to 9% of coconut oil is actually caprylic acid. The two acids in coconut oil that actually stop Candida well are the primary constituent—lauric acid—and a minor component—capric acid. As the research will indicate, in vitro testing of various fatty acids, showed that caprylic acid did little to nothing in terms of slowing or killing Candida. A 1946 study, published in the Bulletin of the Johns Hopkins Hospital [78 (1946): 333-339], showed that sodium caprylate seemed to work to treat various fungal infections; but sodium caprylate and caprylic acid are two different chemicals.
So it’s a good heads up to understand that anyone who recommends caprylic acid as a treatment for yeast infections just didn’t know what they were talking about. You may want to realize that their information may have been generated in some sloppy fashion and just thrown up on a website. It’s a great signal to determine the quality of the information you get. So to prove that caprylic acid is useless against yeast, let's talk about the in vitro studies which demonstrated this fact!
Caprylic Acid and Candida Research
There really are not too many studies out there that demonstrate the efficacy of caprylic acid as a Candida cure. One study, published in the Japanese Journal of Microbiology [5.4 (1961): 383-394], seemed to be cited by many of the people who are selling caprylic acid based yeast infection treatments. Furthermore, what was also troubling is these same products sometimes cited the ability of sodium caprylate to inhibit Candida as a reason to use plain caprylic acid as a treatment. The Japanese Journal of Microbiology [5.4 (1961): 383-394] study concluded that caprylic acid could deter and inhibit Candida albicans. What if, it was really sodium caprylate they were referring too. It may be that an error, such as this, occured in the research paper.
The next two studies we will be discussing showed that caprylic acid did not inhibit Candida albicans. One possible solution for this difference is that the 1961 study published in the Japanese Journal of Microbiology, did not actually use Candida albicans. Prior to 1995, all hyphae growing strains of Candida were referred to as Candida albicans (Sebti, Abdelghani, et al.). And, perhaps the broad categorization of Candida strains, into the albicans species, was even more severe in 1961. The studies we will look at mostly come after 1995; thus, they are more accurate in their determination of what specific species of Candida they are utilizing in their tests. We can possibly conclude, therefore, that this old 1961 study may have not even been using Candida albicans in their test. Thus, we see the disparity between this old study and the more recent research.
The study in the Japanese Journal of Microbiology [5.4 (1961): 383-394] never actually tried to find the minimum inhibitory concentration (MIC) of caprylic acid. The study focused on cellular physiology changes and differences in respiration of the yeast in the presence of caprylic acid. Caprylic acid did disfigure the yeast cells, and the researchers postulated that it created holes in the cells. Also, caprylic acid did slow the respiration of the yeast when it was present—reducing oxygen uptake and glucose oxidation. However, Candida can use anaerobic respiration, and therefore a reduction in oxygen uptake by cells may not impact its growth or virulence (Dumitru, et al.). So it seems, that this study failed to see if a change from aerobic respiration, caused by caprylic acid, actually stopped the anaerobic development of the yeast.
So, now let's take a look at the more recent studies that demonstrated caprylic acid was not able to do much against Candida yeast. The first study we will delve into, was published in the journal Antimicrobial Agents and Chemotherapy [45.11 (2001): 3209-3212]. The study used three distinct strains of Candida albicans and tested their growth in the presence of various fatty acids. The two best inhibitors of the three Candida albicans strains were capric acid and lauric acid. A table from the study illustrates how well these fatty acids stopped Candida growth at various concentrations. But perhaps even more illustrative of the various efficacy of fatty acids, is provided in a chart from the study—which is shown directly below. This chart shows that caprylic acid did little to inhibit the strains of Candida albicans; the acid’s presence allowed the yeast to develop nearly equally as well as it did in the control solution—which did not contain any fatty acids.
Another earlier study, published in 1972 in the journal Antimicrobial Agents and Chemotherapy [2.1 (1972): 23-28], examined various fatty acids’ effects on various microorganisms. One of these tested microorganisms was defined as Candida albicans. According to the researchers, the strain differences inside the genus of tested organisms did not matter. The authors state: "Strain differences within a genus were not significant by our mode of testing (unpublished data)." So perhaps they are correct in assuming the strain of Candida albicans in their study, which was certainly a hyphal growing strain, is similar to the majority of hyphal positive Candida strains. Since 80% of all yeast infections are caused by Candida albicans, it is likely they indeed had a strain we today would classify as albicans.
The study uncovered similar information to what the 2001 Antimicrobial Agents and Chemotherapy [45.11 (2001): 3209-3212] study discovered. Lauric acid and capric acid were both strong inhibitors of Candida albicans, and caprylic acid (in the study they spelled caprylic as “caprilic”) was not able to inhibit the yeast even at the strongest concentration—which was 1 mg / mL. The best fatty acid for stopping Candida, according to the study results, was Linoleic acid. Linoleic acid is easy to procure, and would therefore be a great addition to coconut oil for treating a yeast infection. The chart below was taken from this study and shows you the effects of 15 different fatty acids on the strain of Candida albicans utilized in the study (remember, they misspelled caprylic!).
Two studies; and, in my opinion, more informative studies than the 1961 Tsukahara study; showed that caprylic acid is not that great for stopping Candida overgrowth. This old study, is perhaps unreliable, and not demonstrating what two future studies both agree upon. The anaerobic nature of Candida, could perhaps be underestimated by the 1961 research. Overall, caprylic acid is probably not going to do much to stop or help your yeast infection. The two commonly cited studies used to support using caprylic acid are already addressed here in this article. It is likely that, if you hear someone or some website tell you to use caprylic acid, you are just being giving faulty information. This doesn’t mean there aren’t great alternatives; coconut oil is a great natural cure for yeast infections. And, by adding extra capric acid and linoleic acid to the coconut oil, you may be able to supercharge your natural solution for Candida infections! For more information about coconut oil, check out Candida Hub’s extensive delineation of this remedy here: Coconut Oil for Yeast Infection.
12 Hour Yeast Infection Cure PDF
If you are interested in fighting your yeast infection with the power and safety of natural medicine, you may want to know about Sarah Summer. Summer was a woman who, like many people, suffered from routine vaginal yeast infections. It seemed only a brief time after getting rid of her problem using a medicine or treatment for a yeast infection, Sarah would develop yet another vaginal Candida infection. The problem, as Sarah would herself discover, was that these treatments only dealt with surface level symptoms; they never addressed the root causes of her problem! A great way to keep distraught Candida victims coming back again and again no doubt!
This arduous, annoying battle with vaginal yeast infections would go on for some time in Sarah’s life. It was only until, one day, she developed a very severe yeast infection that her life began to change. After realizing that this yeast infection was different from the kind she had dealt with in the past, she quickly made an appointment with her doctor.
Sarah’s doctor, after examining her, gave her some “bad” news. The doctor told Sarah that the yeast in her vagina had developed into a mould and had grown long tendrils into her body. Sarah’s doctor said that not only was this type of infection difficult to treat, it was “impossible” to cure. Faced with having to deal with this horrible health condition indefinitely, Sarah decided to go looking for a solution herself.
Together with her helpful husband Robert, the two began to explore medical journals and many different types of information about her condition. According to Sarah, she practically lived at a medical library! After ardent researching, and trying a plethora of various purported cures, Sarah developed a powerful solution. Her treatment was different than what she had used before starting her research—this treatment dealt with the underlying root causes of her Candida problem. Instead of only trying to relieve the symptoms of a yeast infection, Sarah effectively eliminated the source of her body’s yeast problem.
After applying her latest treatment, Sarah found she was totally free of her yeast infection. And, she stayed yeast free; finally, an end to recurrent yeast infections! Sarah also shared her findings with others who suffered with Candida. Those that tried her natural remedy found that they were totally cured in about 12 hours. Sarah decided to take her findings to more people by publishing her work in a book. Sarah’s publisher, a subsidiary of Keynetics Incorporated, offers her book as an electronic book in PDF format. If this sounds like something your interested in, you can have her book downloaded very quickly and be cured 12 hours from now.
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- http://www.ncbi.nlm.nih.gov/pubmed/20984783 — Keeney, Edmund L. "Sodium caprylate; a new and effective treatment for moniliasis of the skin and mucous membranes." Bulletin of the Johns Hopkins Hospital 78 (1946): 333-339.
- http://dx.doi.org/10.1111/j.1348-0421.1961.tb00217.x — Tsukahara, Tohru. "Fungicidal action of caprylic acid for Candida albicans."Japanese Journal of Microbiology 5.4 (1961): 383-394. PDF Available Here
- http://dx.doi.org/10.1086/319599 — Sebti, Abdelghani, et al. "Candida dubliniensis at a cancer center." Clinical infectious diseases 32.7 (2001): 1034-1038. PDF Available Here
- http://dx.doi.org/10.1128%2FAAC.48.7.2350-2354.2004 — Dumitru, Raluca, Jacob M. Hornby, and Kenneth W. Nickerson. "Defined anaerobic growth medium for studying Candida albicans basic biology and resistance to eight antifungal drugs." Antimicrobial agents and chemotherapy 48.7 (2004): 2350-2354. Full Text Available Here
- http://dx.doi.org/10.1128%2FAAC.45.11.3209-3212.2001 — Bergsson, Gudmundur, et al. "In vitro killing of Candida albicans by fatty acids and monoglycerides." Antimicrobial agents and chemotherapy 45.11 (2001): 3209-3212. Full Text Availalbe Here
- http://dx.doi.org/10.1128/AAC.2.1.23 — Kabara, Jon J., et al. "Fatty acids and derivatives as antimicrobial agents." Antimicrobial agents and chemotherapy 2.1 (1972): 23-28. Full Text Available Here