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Best Probiotics for Oral Health in 2024: Review of 5 Top-Rated Brands

Probiotics contain living microorganisms that when ingested in sufficient amounts can provide beneficial effects on one's health. The use of probiotics for oral health has steadily increased over the past decade. With each strain producing specific benefits that cannot be directly applied to another strain, picking the best product can be overwhelming.

This article lists the top 5 brands of probiotics for oral health and discusses which strains of microorganisms are the best probiotics to take.

Best probiotics for oral health: a shortlist

  1. Orasana — best overall probiotic for oral health
  2. SuperSmart — best probiotic for oral health with a specialized blend
  3. Luvbiotics — best multi-product oral probiotic
  4. Great Oral Health — best multi-use oral probiotic
  5. BioGaia Prodentis — best oral probiotic for gingivitis symptoms

How did we compile the top probiotics for oral health?

With a large number of different oral probiotics, it can be difficult choosing the best product for you. Therefore, we compiled a list of criteria to evaluate probiotics for oral health to identify the best products on the market in 2024.

Clean ingredientsProduct is free of contaminants
Specific strainsStrains contained match the targeted complaint
Reputable manufacturerManufacturer known for high-quality products
Value for moneyNumber of colony forming units per serving
  • Clean ingredients. Probiotic manufacturers that take efforts to provide products free of contaminants are very important to ensure the content matches the label. This can also reduce unwanted side effects due to a contaminant.
  • Specific strains. Each strain of microorganism used in probiotics can produce different effects and are used for specific complaints. Therefore, having the right strain increases the possibility of the probiotic helping you.
  • Reputable manufacturer. Choosing a manufacturer known for producing high-quality products can help ensure you are getting a quality product.
  • Value for money. Having a sufficient number of colony-forming units (CFU) in the product is important. Therefore, we evaluated products to ensure comparable CFU content for the cost.

5 best probiotics for oral health in 2024: an overview

Maintaining good oral health is essential to prevent oral diseases that can cause pain, irreversible damage to the gums, and loss of teeth. In addition to proper oral hygiene behaviors, many are turning to oral probiotics to help alter the microbial content of the mouth to improve one's oral health.

Research studies have shown the benefit of specific strains of probiotics for specific oral conditions such as dental caries, gingivitis, and recurrent tonsillitis. However, more studies are required to confirm the findings of these studies and determine the best dosing and strain compositions.

1. Orasana — best overall probiotic for oral health

Orasana®  Vegan Probiotic Mints

Orasana® Vegan Probiotic Mints contains a blend of 5 billion CFU from five different strains of beneficial bacteria, including Lactobacillus brevis, Lactobacillus plantarum, Lactobacillus reuteri, Lactobacillus rhamnosus and Lactobacillus salivarius. This unique formulation may help with oral health symptoms associated with gingivitis and halitosis (bad breath), potentially delivering a comprehensive approach to oral hygiene.

According to the website, Orasana® Vegan Probiotic Mints are free from preservatives, added sugars, gluten, soy, and GMOs, making them a convenient choice for daily oral care.

The manufacturer recommends taking 2 mint tablets daily — ideally after brushing your teeth, to maintain optimal oral health.

Orasana® Vegan Probiotic Mints are available for $39.00, lasting 30 days. The brand also offers a convenient subscription model with a 5% discount and free shipping, making it easier and more affordable for customers to maintain a regular supply.

2. SuperSmart — best probiotic for oral health with a specialized blend

SuperSmart Oral Health

SuperSmart Oral Health Probiotics features a blend of 4 billion CFU from advanced probiotic strains, including Lactobacillus reuteri, Bifidobacterium longum, Lactobacillus rhamnosus, and Lactobacillus salivarius.

This specialized combination may help address oral health issues such as bad breath, dental caries, and periodontitis, offering a comprehensive approach to maintaining a healthy mouth.

According to the brand, the formula is non-GMO and gluten-free, which makes it an appealing choice for individuals with dietary restrictions.

SuperSmart prioritizes quality by manufacturing its products in a GMP-certified facility and conducting third-party testing.

For optimal results, the brand recommends taking 1 stick of SuperSmart Oral Health Probiotics per day.

Priced at $16.00 for a one-time purchase, SuperSmart also offers an auto-delivery option, providing a convenient solution for continuous oral health support.

3. Luvbiotics — best multi-product oral probiotic

Luvbiotics Original Dental Probiotics

Luvbiotics lozenges contain Lactobacillus reuteri which has been shown to help with gingivitis and halitosis. Luvbiotics product line is also available in mouthwash and toothpaste, however, these products contain Lactobacillus parcasei which has been shown to inhibit Streptococcus mutans, the main bacteria that causes cavities. These products also contain aloe vera to help soothe irritated gums and xylitol as a sweetener.

Although a newer product, launched in 2020, Luvbiotics has achieved approval from the Health Food Manufacturing Association (HFMA) which promotes best practices for product safety and quality.

One lozenge is recommended per day and should be used after brushing your teeth. The lozenge is available in a 30-day supply for $11.28 in its original menthol flavor, as well as lemon and cherry. Discounts are also available for multiple-month purchases and the lozenge can be purchased in a package with toothpaste and mouthwash.

4. Great Oral Health — best multi-use oral probiotic

Advanced Oral Probiotics by Great Oral Health contains a proprietary blend of 7 different microbial strains in one product. Containing both Streptococcus salivarius K12 and M18 it can be useful in recurrent tonsillitis, halitosis, and oral thrush. In addition, it contains multiple lactobacilli strains such as Lactobacillus reuteri and Lactobacillus paracasei which are helpful in gingivitis and cavity prevention, respectively.

Advanced Oral Probiotics are formulated without harmful chemicals or bleaching agents.

The recommended dosing is two chewable tablets per day which provide 6 million CFUs of their propriety blend of microbial strains. A 30-day supply costs $24.29 and is available in mint and strawberry vanilla flavors. Additional savings are available with subscribe and save and multiple-month purchases.

5. BioGaia Prodentis — best probiotic for gingivitis

BioGaia Prodentis oral lozenges contain 100 million colony-forming units (CFU) each of two different strains of Lactobacillus reuteri. This bacterial strain has been shown to have potential benefits in patients with gingivitis. In addition, L. reuteri may help improve halitosis (bad breath).

For over 30 years, BioGaia probiotic products have been sold throughout the world and manufactured to produce clean, safe, and high-quality products.

The lozenge is available in a mint flavor that is free of preservatives and added sugars. It is recommended to use one lozenge per day, preferably after brushing your teeth. BioGaia Prodentis is available in a 30-day supply for $26.25, they do offer discounts on multiple-month purchases and free shipping on orders over $59.00.

A comparison of the best probiotics for oral health

ProductCost per servingStrainsFlavorsTablet type
Orasana$0.65Lactobacillus brevis, Lactobacillus plantarum, Lactobacillus reuteri, Lactobacillus rhamnosus, Lactobacillus salivariusMintTablet
SuperSmart$1.88Lactobacillus reuteri, Bifidobacterium longum, Lactobacillus rhamnosus, Lactobacillus salivarius. N/AStick
Luvbiotics$0.38Lactobacillus reuteri Menthol, cherry, lemonLozenge

What are oral probiotics?

Oral probiotics are specific strains of yeast and bacteria that provide beneficial effects on dental and oral health. Oral probiotics, also called dental probiotics, have been suggested to help improve bad breath, fight gum disease, and prevent tooth decay. The overall goal of probiotics is for the beneficial microorganisms to displace those that cause diseases of the oral cavity and compete for nutrients to suppress the growth of disease-causing bacteria. Although many of the studies involving oral probiotics have been conducted in the lab, there are some small studies that have promising results for probiotics in certain oral conditions.

Best oral probiotic strains to take

The effects of oral probiotics on oral health can be specific to the strain of microorganism contained within the product. This can play an important role in choosing a probiotic, as you want a strain that can potentially help with the condition for which it is being used. The best strains include:

  • Lactobacillus reuteri. These bacteria is one of the most studied probiotics and has been shown to potentially help with the symptoms of gingivitis such as bleeding gums. In addition, this bacteria may also be able to improve halitosis or bad breath.
  • Lactobacillus brevis. These bacteria is a lactic acid-producing bacteria that has been shown to help reduce inflammation within the gums. Therefore, it is commonly used in probiotics targeting gingivitis and periodontitis. Other oral conditions it may be used in are for the prevention of dental caries and oral thrush.
  • Streptococcus salivarius K12 and M18. These strains are often used in patients with recurrent tonsillitis and oral thrush. It has been found to produce antibacterial substances that target Streptococcus pyogenes, the bacteria that causes tonsillitis. These antibacterial compounds have also been shown to inhibit some of the sulfur-producing bacteria responsible for halitosis. Additionally, it may help crowd out the fungus-causing oral thrush.
  • Streptococcus A12. It has been shown to be a strong competitor for Streptococcus mutans, one of the leading causes of dental caries. Streptococcus A12 produces biofilms that prevent S. mutans from attaching to the teeth and antimicrobial substances targeting S. mutans. This strain has also been shown to potentially benefit those with halitosis.

Can probiotics improve dental health?

Yes. There is evidence that oral probiotics show promise in improving dental health, especially in patients who have a disruption in the normal bacterial content of the mouth. The bad bacteria contribute to the development of dental caries (cavities), gingivitis, and thrush. The use of oral probiotics has years of research supporting their potential benefits on dental health. However, a limited number of clinical trials have been conducted in humans.

Benefits of oral health probiotics

Oral probiotics have been shown to have few side effects and are often seen as a natural alternative for oral health. Although limited human studies have been conducted, there is evidence they may provide beneficial effects in the below conditions.

Oral probiotics for oral thrush

Oral thrush is an infection of the throat and tongue caused by Candida fungal species. This fungal infection can cause white spots (fungal colonies) to grow on the tongue, burning, itching, and problems swallowing in severe cases. Altering dietary habits such as reducing sugar intake and starting an oral probiotic can help resolve the infection by crowding out the fungus. Two strains that have shown effectiveness in oral thrush include Lactobacillus spp. and Streptococcus salivarius K12.

Oral probiotics for cavities

Dental caries (cavities) develop when a colony of harmful bacteria like Streptococcus mutans attaches to a tooth. These bacteria then digest sugars and produce acids that break down the enamel of teeth. Left untreated, they can progress into cavities requiring fillings, root canals, or removing teeth.

Probiotics on the other hand can reduce cavities by preventing harmful bacteria from attaching to teeth, producing antibacterial substances to suppress their growth, improving the mouth's immune response, and altering the pH and mineral content of saliva to stop cavities. Helpful strains include Streptococcus A12 and many Lactobacillus spp.

Oral probiotics for gingivitis & periodontitis

Inflammation of the gums (gingivitis) can progress to infections of the bone and soft tissues (periodontitis) that can lead to tooth loss. The early treatment of gingivitis is important to prevent irreversible changes to the gums and teeth. The use of oral probiotics can decrease the amount of harmful bacteria in the mouth and reduce inflammation of the gums.

Two strains that have been found to be helpful are Lactobacillus reuteri and Lactobacillus brevis. However, more research is needed to verify the findings of the small studies looking at probiotics and gingivitis/periodontitis.

Oral probiotics for halitosis

Halitosis or bad breath is defined as an offending or bad odor that is emitted from the mouth and breath. Sulfur-producing bacteria present in the mouth digest proteins releasing sulfur which contributes to the malodorous breath. Probiotics have shown success in addressing halitosis in some studies while others have not shown a significant benefit.

The potential mechanisms probiotics help fight halitosis are by competing for nutrients, attachments, and growth factors which decreases the number of sulfur-producing bacteria. They may also help neutralize the sulfur molecules produced, improving bad breath. Strains that have been shown to be beneficial are Streptococcus A12 and Lactobacillus reuteri.

Oral probiotics for tonsillitis

Tonsillitis is the inflammation of the tonsils which can be caused by harmful bacteria such as Streptococcus pyogenes. Cases of tonsillitis caused by S. pyogenes are often treated with penicillin, but some people are susceptible to recurrent episodes of tonsillitis.

The oral probiotic Streptococcus salivarius K12 has been shown to reduce the number of episodes of tonsillitis. Probiotics can reduce the number of S. pyogenes present in the throat and enhance the natural immunity of the mouth to reduce tonsillitis episodes.

Risks of taking oral probiotics

Probiotics are generally considered to be safe for consumption in most people, however, there are certain people that should avoid probiotics. In addition, taking probiotics does have side effects which are typically present during the first few weeks of starting administration. These side effects include:

  • Allergic reaction
  • Diarrhea
  • Mild stomach upset
  • Bloating
  • Gas

Individuals with diseases that cause them to be immunocompromised (i.e. cancer, HIV) or are on medications used to suppress the immune system should avoid probiotics. Taking probiotics could result in an infection as the immune system is unable to provide adequate protection.

How to take oral probiotics?

Oral probiotics can only help when the bacterial species are able to contact the oral cavity and become attached to the tissues where they can provide their beneficial properties. Taking a pill and swallowing it immediately is unlikely to be helpful. Therefore, oral probiotics come in chewable tablets, gummies, lozenges, and powders.

When taking these products, they should sit in your mouth before swallowing to give the probiotics a chance to adhere to the tissues of the mouth. The residual contents can then be swallowed. It is important to adhere to the manufacturer's recommended dosing and technique for taking to ensure the safe use of their products.

How long do oral probiotics take to work?

This often depends on the condition being treated and the formulation of oral probiotics. In some cases, results may be noticed within a few days as it may take a few months in other conditions to notice an improvement. Thus, a reasonable trial period for an oral probiotic is two to three months.

Discuss with your doctor or dentist before starting probiotics and any questions or concerns that arise during their use.

Oral vs. gut probiotics

The two major differences when it comes to oral and gut probiotics are the type of organisms included and the method of using the probiotic (swallowing vs. dissolving). Gut probiotics must be protected from the strong acids in the stomach to reach the intestines. A wide variety of strains in high enough quantities are needed to provide beneficial effects in the GI tract.

This is different from oral probiotics which contain strains specific to the oral cavity directed to improve specific conditions. Oral probiotics require being in contact with the tissues of the mouth to attach and produce their effects.

Therefore, due to these significant differences oral and gut probiotics are not interchangeable and are specific to the intended area of the body.

Best probiotics for oral health — conclusion

Proper oral hygiene is necessary to prevent oral diseases such as cavities, gingivitis, and periodontal disease. This should entail brushing your teeth twice a day and flossing your teeth once a day or as directed by your dentist. However, some individuals may wish to include oral probiotics to help bolster their oral hygiene.

Oral probiotics have multiple research studies that have indicated a possible benefit to their use. However, larger studies are needed to confirm the findings of many microbial strains, as well as to determine the most appropriate dose and strains to use. However, before starting any oral probiotic, discuss with your doctor or dentist to make sure they are right for you.

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