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Probiotics for Yeast Infections: What Works, What Doesn't

Updated 2/3/2021 by Dan Jackowiak Nc, HHP

Probiotics for yeast are very necessary for yeast infection treatment and the restoration of immune and digestive system health. It is the destruction of good bacteria within the digestive tract and other mucous linings that allowed the yeast to get out of control in the first place. So replacing these bacteria is very necessary for the healing, long-term prevention of a relapse, and for immune system health.

The average healthy adult human, has about 70 to 100 trillion good bacteria, 3 to 5 pounds, present in the digestive system that live in a colony of many different species. These bacteria help one another to survive and they all do different jobs in this environment. Some clean up protein waste, others carbohydrate waste, others dairy, others raise or lower ph levels so others can survive, some kill yeast, and others help us digest our food so we can get the nutritional benefits from it, etc.

Some bacteria's only job is to help other bacteria perform their job whatever that may be. They are a colony, they live together much like people live together in a city, each performing a separate task or job so that community can survive and flourish.


In order to get yeast infections and Candida, many of these bacteria are gone. They have been killed from toxins, prescription and over the counter drugs, and extremely unhealthy diets. But the question is, how many bacteria are gone? No one knows exactly what is the normal yeast to bacteria ratio, and at what level of depleted bacteria does yeast shape shift and become pathogenic? We just don't know? But if you are following the Standard American Diet and have ever taken an antibiotic, your intestinal immune system has been altered and weakened...period!

This lack of good bacteria is an obvious problem and is what needs to be addressed for effective yeast infection treatment. But how do you do that? Most people will tell you to take acidophilus and that should solve the problem. Or take this probiotic because it has 4 or so different species in it so it must be good right? I am willing to bet you might have even tried it and it didn't work did it? And why would it?

What do Good Bacteria do in the Intestine?

Several years ago, Bernard Jensen, D.C., world-renowned author, lecturer and teacher of natural health, said, "It is an indisputable fact that illness, old age, and even death itself are due to the accumulation of waste products (within the body) ... to the inability of the body to replenish its cellular structures and organs with fresh, vital nutrients."

Good bacteria are absolutely necessary for the absorption of minerals, vitamins, proteins, and fats within the body. They also displace and kill bad bacteria, yeasts, and fungi. The specific species that inhabit the small and large intestine also create the right acidic or alkaline state for that area in the intestine. They truly are our first line of defense against foreign organisms within the body.

A study in Ireland came to this conclusion:

"The intestinal microflora is a positive health asset that crucially influences the normal structural and functional development of the mucosal immune system. The flora has a collective metabolic activity equal to a virtual organ within an organ … It follows that manipulation of the flora to enhance the beneficial components represents a promising therapeutic strategy." (O'Hara AM, Shanahan F 2006)

Researchers in the Mucosal Immunology Laboratory of Massachusetts General Hospital for Children had this to say:

"Changed lifestyles and the increased use of antibiotics are significant factors that affect the preservation of a healthy intestinal microflora. The concept of probiotics is to restore and maintain a microflora advantageous to the human body." (Broekaert IJ, Walker WA 2006).

There are many probiotics for yeast and health on the market today all claiming to be the most powerful and beneficial for your health. Unfortunately that is not the case.

In a study done by the University of Washington in 1990 they found that "Most of the lactobacillus containing products currently available either do not contain the Lactobacillus species and/or contain other bacteria of questionable benefit". Here it is years later and I am afraid not much has changed.

The Problem With Most Yeast Probiotics

Most probiotics for yeast infection treatment have anywhere from 500 million to 10 billion live cells at the time of manufacture. By the time you take them some of course have died. But what is ludicrous is the fact that you are taking such a small amount when quite often you need to replace trillions. It’s like going to a fire with a squirt gun. The fire quickly bounces back after you spray it with water much the same way Candida does when you take weak or low dose bacterial products because the bacteria is quickly killed.

I have had people tell me that their lab tests results have shown no good bacterial species in their stool. In these cases, taking low doses probiotics is a complete waste of time, you need to take 100's of billions, not 10's of billions. I have also seen stool test results that show high levels of good bacteria and high levels of Candida yeast. In these cases, a probiotic that is designed to kill yeast combined with a yeast killing enzyme is a very good way to treat the infection.

The most prevalent bacterial species in the human body is acidophilus that mostly inhabits the small intestine, and bifidobacteria, which inhabits the large intestine and small intestine. Bifidobacteria far out number acidophilus but when is the last time you saw a probiotic with large amounts of this species and its subspecies?

Most probiotics are loaded with acidophilus but not bifidobacteria and you do need both in large amounts. I'm talking 100 to 500 billion a day or more to get well again and back to normal. It does depend upon the individual on how high it needs to be. But the minimum daily dose should be at least 50 billion, unless your using a probiotic that is designed to kill yeast with yeast killing enzymes and combine it with Floraphage, which is a prebiotic that does not feed yeast or pathogenic bacteria like FOS does. 

However, to much acidophilus is not a good thing. It can lead to a condition called cytolic vaginosis which is an over growth of acidophilus in the vagina. This condition mimics the symptoms of a vaginal yeast infection.

On top of that, some bacteria species are not that effective for treating yeast infections as others. This published study done by the Department of Medical Microbiology at the  University of Wisconsin Medical School, found that Lactobacillus casei and Bifidobacterium animalisis are more effective for treating candida than Lactobacillus acidophilus and Lactobacillus reuteri.

A 2012 study that was done at the University of Michigan Medical School, took a look at the effects of broad spectrum antibiotic induced Candida over growth and its effects on the regrowth of good bacteria. They found that in the presence of Candida, Candida promoted bacteroidetes population recovery. "However, the presence of C. albicans resulted in a long-term reduction in Lactobacillus spp. and promoted Enterococcus faecalis populations." This tells us that Lactobacillus bacteria, which would include acidophilus, because they are not able to re-establish themselves in the presence of Candida, would not be a good probiotic bacteria to use when treating oneself for yeast infections.

Yet, everyone thinks Lactobacillus acidophilus is the greatest thing since sliced bread but the suggestion to use it for yeast infections is based on old medical science.

People with chronic yeast infections need to take a properly designed yeast killing probiotic such as Profase. The bacteria formulation in this probiotic actually goes on the offensive killing and displacing yeast from your mucous linings in your body.

There are bacteria whose only job is to kill yeast, but most probiotic formulas are not designed to kill yeast, they are designed for overall intestinal health. There are also enzymes whose only job is to strip the biofilm and digest the cell wall of candida yeast. If you combine the two, letting the enzymes eat thru the cell wall, the bacteria crowd out or kill the Candida along the intestinal wall and it dies.

Do Probiotic Bacteria Really Repopulate the Gut?

You have probably read somewhere that probiotics require a supporting cast of other probiotics so they can attach to the intestinal wall to re-colonize and proliferate, which is true to a point. You may have also read that the probiotic should have FOS to feed these bacteria so they survive.

Well, I have news for you, all conventionally manufactured probiotics for yeast do not have the ability to re-colonize the human intestine. It is lost during the manufacturing process. So when you stop taking them, the benefits are lost after 2 to 3 weeks because they all die. If someone tells you different, they are lying to you! Below is a chart that shows this phenomenon.

fate of ingested probiotics

With all that said, some might repopulate, we just don't know for sure but this study points out that they usually don't. The way to find out would be to do a stool test before you started taking any probiotic, which measured good bacterial levels. Then take the probiotic for 30 days then don't take them for 30 days and test again. If they dropped back down to the same levels as before you started taking them, then they did not repopulate.

I always look at conventional probiotics as a defensive decoy. They do a job while you take them but they also act like a decoy of sorts so the bacteria you do have can repopulate on their own. In some cases, as pointed out in studies of people that have taken broad spectrum antibiotics for two weeks, it can take a year for your bacteria levels to recover.

Now if your missing entire species, you would be surprised how common this is, you should take a probiotic forever or do a fecal matter transplant. Because 75% of your immune system are those good bacteria.

Also, some probiotics don't work for some people but do work for others, it is an individual thing just like doses. You have to find what works the best for you.

Sometimes probiotics also cause intestinal distress in people that are not used to taking them. This type of cleansing reaction usually subsides in a week or so.

However, Floraphage is a proven bacteria multiplier that has been shown to increase bacteria levels, including those bacteria that already exist in your gut. I strongly recommend that you take it when treating yourself for yeast or bad bacteria, unless you have sibo.

Below I have outlined what I believe to be some of the best probiotics on the market for treating yeast and supplementing good bacteria.

Probiotics for Yeast Infections Reviews

Profase Probiotic for Yeast
I designed Profase to specifically kill candida yeast and pathogenic bacteria while also boosting immune function. It is extremely heat stable and contains 30 billion bacteria per capsule. It contains the best bacteria I could find to achieve these goals and I have referenced all the studies to prove it. Check it out yourself, I think you will agree this is the best probiotic for yeast infections on the market.

11-Strain Probiotic Powder
The 11-Strain probiotic powder is undoubtedly one of the most potent probiotics on the market. Each gram contains 260 billion bacteria and an adult scoop contains 200 billion bacteria. In a powder form it is great for children and for those that have a hard time taking capsules.

With the additional 6 added strains, if CP-1 does not work for you then this more than likely will. The added strains are split evenly between acidophilus and bifidobacteriums so it stays in balance as any probiotic should. It has shown an amazing ability to clear up skin problems. This is my families choice when antibiotics are absolutely needed. I am very impressed with this formula and the feedback has been terrific.

Custom Probiotics, Super Potent Probiotic
CP-1, which is short for Custom Probiotic 1 is a 5 strain probiotic that is pretty potent and is very heat stable. One capsule contains a guaranteed 60 billion bacteria at the time of expiration, which is one year. It is a very good probiotic to take if your stool tests came back showing low or non-existent species, because it is so strong and includes the most dominate species of bacteria that are found in the human intestine.Is it the best yeast killer? No, that title belongs to Profase followed by the 11-Strain.

Prescript-Assist for Yeast Infections
Prescript-Assist took five years to develop and has quite a few peered reviewed studies proving its effectiveness. It works very well for yeasts, bad bacteria and really helps people with IBS. The bacteria are heat stable and do not have to be refrigerated so it will not grow molds while in storage. You could easily take it on trips to prevent travelers diarrhea. There is a very good testimonial on the page as well.

Bacillus Laterosporus BOD
Bacillus Laterosporus BOD is a soil based bacteria that was patented in 1994 as a Candida and Aspergillus killer. It works very quickly if taken in large doses, the page above includes the studies and directions on how to take it.

Clinically Proven Theralac
Theralac claims it is the best probiotic on the market. I don't know for sure if that is true, but I do know the clinical studies are very impressive. I have no doubt it would be a very good probiotic to take for yeast infection prevention. Especially when taken with Biofase.

Syntol for Yeast Infections

S Boulardii Probiotic, Know the Risks

Lactobacillus GG, Scientifically Proven Probiotic for Intestinal Health

Threelac Review, Super Yeast Killer or Dangerous Supplement?

Probiotics for Yeast & Yeast Infection Advisor Home

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