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The Best Oral Probiotics for Improved Gut Health
Written By Supplement Institute Review Team
Our bodies are made up of complex systems hard at work to keep us healthy and happy. When you think of probiotics and regulating your intake of good and bad bacteria, you might think of the stomach. The mouth, however, is another unique environment that requires special bacteria to protect the health of your gums and teeth.
If you’re looking to improve your dental care beyond routine brushing and flossing, you might be curious to learn about the best oral probiotics of 2025. The Bio-Kult supplement contains various probiotic strains that can boost your gut, immune, and oral health all at once, earning it the top spot on our list.
The Best Oral Probiotics of 2025
Bio-Kult Oral Probiotic
Best Overall
The Bio-Kult probiotic is a revolutionary solution. Designed to nurture your gut health and foster overall well-being, it’s crafted with a blend of science and nature. It contains a unique combination of live bacterial strains, including Lactobacillus acidophilus. This strain is known to restore oral microbiome balance, reduce gum inflammation, and inhibit the formation of plaque.
The formula includes 14 different live bacterial strains. Each strain is chosen for its ability to thrive in the gastrointestinal environment while contributing to gut balance. These strains work in synergy to support digestion, nutrient absorption, and immune response. The supplement’s capsule format, the beneficial bacteria, and the versatility of this product make it the top choice on our list.
Super Naturals Health Oral Probiotic
Best Quality
With its meticulously crafted formula, the Super Naturals premium probiotic is designed to optimize your digestive wellness. As an advanced supplement, it combines a diverse array of probiotic strains, each of which is carefully selected to foster the right balance in your gut. By supporting your digestive system, the product can break down nutrients, optimize nutrient absorption, and contribute to a balanced yet resilient gut environment.
Beyond digestive health, this supplement is formulated to enhance the immune system. It can harness the potential of probiotic strains that are known for their immune-boosting properties. Designed to go beyond the basics, the formula contains Lactobacillus acidophilus, as well as Bifidobacterium lactis, which can enhance the immune response in the mouth. This is especially helpful for promoting healing after dental procedures and suppressing periodontal pathogens.
Nutricost Oral Probiotic
Best Value
The Nutricost oral probiotic is ideal for those seeking a high-quality product. Its 50 billion CFUs per capsule provide maximum potency and efficacy, while its 60 capsules per bottle make it an ideal value. The easy-to-swallow capsules make taking the probiotic easy and convenient, while also being non-GMO, gluten-free, and third-party tested for quality.
This oral probiotic is made in a state-of-the-art GMP-compliant, FDA-registered facility, so you can trust that it meets the highest standards. The probiotic complex contains 10 strains, including Lactobacillus Acidophilus, which is known to benefit gut, immune, and oral health. With its potent formulation and reliable quality control standards, it’s a great choice for those looking for a well-rounded probiotic supplement.
Hyperbiotics Oral Probiotic
Vegan Option
Try adding Hyperbiotics Pro-Dental oral probiotic to your daily routine for a noticeable difference. Formulated with 3 billion CFU-targeted strains, these vegan probiotics improve the pH level of your mouth and crowd out undesirable bacteria, providing natural defenses against common invaders like streptococcus that cause cavities and periodontitis. With their combined anti-inflammatory and immune-boosting properties, they can also help reduce the severity of canker sores, throat infections, and gum disease.
These oral probiotics include chelated zinc, which supports the production of saliva that helps buffer acids in your mouth to prevent tooth decay and freshen up bad breath. They’re also free from harmful allergens, making them ideal for those with allergies or stomach sensitivities.
Great Oral Health Oral Probiotic
Premium Ingredients
If you want to take good care of your mouth and teeth, then try the Great Oral Health oral probiotic. Made with a patented blend of seven powerful strains, it can help fight cavities, plaque, and gingivitis while restoring dental health and minimizing bad breath. These oral supplements can also boost resistance to sore throat and ward off colds. Unlike other halitosis cures or bad breath treatments, these oral probiotics have a sugar-free mint flavor, making them safe for diabetics and those on low-sugar diets.
Carefully formulated with premium quality ingredients, this product is free of preservatives, artificial colors, or harmful allergens, including dairy, soy, wheat, and gluten, so you won’t have to worry about an upset stomach. This oral prebiotics comes in a bottle with 60 doses, making it an affordable and convenient way to keep your mouth healthy.
Pure Research Oral Probiotic
Easiest to Take
Packed with one billion CFUs (colony-forming units) and 11 probiotic strains, the Pure Research oral probiotics help freshen up breath, fight off gum diseases, and prevent cavities while promoting a pearly white smile. These oral probiotics also contain five digestive enzymes as supportive ingredients to maintain healthy digestion and nutrient absorption.
As a bonus, this product comes with a tongue scraper that helps remove food particles and bacteria from the tongue’s surface. With 60 tablets per bottle, this product is convenient and give you optimal results within a few weeks.
Oral Complete Dental Probiotic
Ideal For Tonsil Stones
The Oral Complete dental probiotic is a dietary supplement that helps balance your mouth’s natural flora and promote overall oral health. Made with an optimal blend of six powerful strains of bacteria and 750 million CFUs, they help eradicate harmful bacteria to fight bad breath and prevent tooth sensitivities, and gum inflammation. They can also help create a protective barrier against cavities, staining, and plaque buildup.
While these oral probiotics are great for general dental health, they can also help with tonsil stones removal and other oral issues. They’re made in an FDA-registered laboratory and GMP-certified facility, ensuring maximum potency and bioavailability. With 120 capsules per bottle, these oral probiotics will provide complete oral care for up to two months.
NOW Oral Probiotic
Best for Bad Breath
NOW has been manufacturing high-quality supplements since 1968 to promote a healthy lifestyle and its oral probiotics is no exception. Thy’re packed with powerful strains of bacteria and digestive enzymes that help maintain fresh breath, and improve overall saliva flow while keeping your gastrointestinal tract in tip-top shape. These supplements also support ear, nose, and throat health by fighting off bad bacteria in your sinuses.
Free from harmful allergens and fillers, these oral probiotics are GPM-certified for potency and stability, so you can take them every day with complete confidence. Each bottle contains 60 flavorful lozenges so you can go through day and night with a fresh mouth.
Buyer’s Guide: Oral Probiotics
As oral probiotics are becoming increasingly popular, many people are wondering how they work and if they’re safe to use long-term. In this guide, we will cover the basics of oral probiotics, including how they can contribute to your oral health and what factors you should consider before choosing one for yourself.
Benefits of Oral Probiotics
Similar to probiotics like yogurt and kimchi, which can help keep your gut biome feeling normal, oral probiotics contain a variety of strains and species of bacteria to help you maintain an optimal pH balance in your mouth. They can improve the health of your teeth and gums while keeping cavities and bad breath at bay.
Freshen up breath
Bad breath is a common problem that affects millions of people every day. It can be embarrassing and difficult to control, especially for those who suffer from chronic halitosis. The good news is that probiotics are an effective remedy for bad breath! Probiotics can help maintain the balance of bacteria in your mouth by crowding out harmful bacteria, which ultimately freshens up the breath.
Reduce plaque buildup
When you eat sugary foods or drinks, the bacteria in your mouth produce acid that eats away at the enamel on your teeth, leading to dental caries. Bacteria also produce plaque, which sticks to your teeth and hardens into tartar if not removed regularly by brushing and flossing. Oral probiotics help prevent plaque buildup by balancing the acid levels in your mouth. They also increase saliva production, which naturally washes away food particles and keeps them from sticking to your teeth.
Prevent oral thrush
Oral thrush is a condition where Candida albicans grow in the mouth and feed off of sugars that are present. This can cause painful sores to form on the tongue, inner cheeks, or gums while also making it difficult to eat and swallow. Oral probiotics can prevent oral thrush by producing lactic acid, which is an inhibitor of Candida albicans. The lactic acid then kills off any Candida albicans that come in contact with it and helps prevent them from spreading throughout your mouth.
Manage symptoms of gingivitis and periodontitis
Gingivitis and periodontitis are two common dental diseases that can be controlled with the use of oral probiotics. Gingivitis is an inflammation of the gums, usually caused by poor oral hygiene or a reaction to certain foods. Periodontitis is a more serious form of gum disease that affects the tissues around teeth and can lead to tooth loss.
When you take dental probiotics, they can help strengthen your immune system and support the balance of bacteria in your body. This is especially important if you have diabetes or another condition that makes it difficult to maintain good oral hygiene.
How to Choose Oral Probiotics
Ingredients
Before purchasing oral probiotics, it’s important to go through the product labels to check the ingredients. While some oral probiotics only contain one or two strains of good bacteria, others are made up of several billion CFUs and multiple powerful strains.
For optimal oral care and maintenance, the oral probiotics should contain at least 10 strains of live and active cultures including Lactobacillus reuteri, Lactobacillus salivarius, Streptococcus salivarius K12, Streptococcus salivarius M18, Lactobacillus paracasei, Lactobacillus sakei. They can also have additional ingredients such as prebiotics and enzymes. Prebiotics are fibrous compounds that help increase the number of beneficial bacteria in your body. Enzymes break down food particles so that they can be more easily digested by your body.
Ideally, steer clear of products that contain soy, gluten, dairy, and artificial colors, as they might trigger an allergic reaction or lead to an upset stomach.
Type of supplements
From chewable capsules and lozenges to liquid and powder, there are many different oral probiotics available on the market. The powder and liquid oral probiotics can easily be mixed with water or juice for quick consumption but it can leave a bitter aftertaste. If you don’t want to deal with mixing and stirring, opt for chewable capsules or lozenges. These types of probiotics are chewed and swallowed in one gulp and are often easier on the stomach.
Number of pills
Before making the purchase, you should also consider the capsule counter per bottle. While some brands only contain 60 capsules, others offer 120 capsules. The more pills there are in each bottle, the longer you’ll be able to use them before having to buy a new batch. This is especially important if you have a chronic condition that requires you to take probiotics daily.
People Also Asked
Are there any side effects of oral probiotics?
While oral probiotics are safe, they may cause mild side effects in some people. These include bloating, flatulence, and a change in bowel movements. If you experience these issues, talk with your doctor about adjusting your dosage or switching to another brand.
How often should I take oral probiotics?
Oral probiotics are typically taken once or twice a day. But just like other supplements, you should always follow the dosage instructions on the product label.
How long does it take for oral probiotics to work?
It depends on the formulation of oral probiotics and the condition being treated. For example, some strains of lactobacillus can help reduce levels of bad breath within a few days. But if you have periodontal pockets or long-term chronic bad breath, it may take a month or two to see a significant improvement.
Can oral probiotics help with tooth infections?
Yes, oral probiotics can help with tooth infections. But you might have to take a combination of probiotics and antibiotics to get rid of the infection completely.
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