
6 Best Reuteri Supplement Reviews for Digestive Health
Probiotic supplements containing Lactobacillus reuteri are widely used to support gut balance and overall digestive wellness.
With numerous options on the market, choosing the right one can be overwhelming. This guide highlights the 6 best Reuteri supplements, offering key insights to help you select the product that best fits your needs.
Before exploring further, please read the disclaimer located at the end of this webpage.
Comparison Table of Best Lactobacillus Reuteri Supplements
Brand Name |
Product Name |
Brand Insights |
Reuteri Content |
Form |
Result Testing & Certification (Yes/No) |
Vinatura Supplements |
Vinatura Lactobacillus gasseri, Plantarum, Reuteri, Rhamnosus, Crispatus, Acidophilus |
Transparency and commitment to quality |
5 Billion CFU |
Capsule |
Yes |
SuperSmart |
SuperSmart Lactobacillus Reuteri Probiotic |
Established in 1992 |
5 Billion CFU |
Capsule |
Yes |
Vitamatic |
Vitamatic Lactobacillus reuteri Complex |
Premium quality ingredients, competitive pricing, superior service |
Undisclosed (part of 22 B CFU blend) |
Capsule |
Yes |
Microbiome Labs |
Microbiome Labs MegaGenesis |
Innovating health through the microbiome. |
2 Billion CFU |
Capsule |
Yes |
Toniiq |
Toniiq Lactobacillus reuteri Probiotic |
Founded in Michigan in 2013 |
50 Billion CFU |
Capsule |
Yes |
Gastrus |
BioGaia Gastrus Chewable Tablets |
Advancing probiotics with science and expertise. |
200M CFU (ATCC PTA 6475 + DSM 17938) |
Capsule |
Yes |
How Do We Choose the Best Reuteri Supplements?

Purity
Purity is a critical criterion when selecting the best Reuteri supplements. We specifically look for products manufactured in facilities that adhere to Good Manufacturing Practices (GMP) and hold certifications from reputable third-party organizations, such as ARL Bio Pharma, NSF International, USP (United States Pharmacopeia), or ConsumerLab.
These certifications help ensure that the products you consume are free from contaminants, are scanned for heavy metals, and harmful additives, providing an extra layer of safety and quality assurance.
Effectiveness
Effectiveness is a top priority in our product evaluation process. We favor products with formulations backed by scientific research and tested in various clinical studies.
Alongside research data, we also consider user reviews to gain insight into the real-world effectiveness of each product. However, effectiveness can vary, as individual bodies have different abilities to adapt and absorb nutrients.
Additionally, we prioritize Lactobacillus Reuteri products combined with other Lactobacillus strains, as this synergy may enhance benefits and effectiveness.
Dosage
We carefully examine each product to ensure it provides an adequate CFU (Colony Forming Units) count, typically ranging from 1 to 20 billion CFUs per serving. This range allows flexibility based on personal needs, such as digestive health maintenance or immune system support.
For higher-dose products, up to 50 billion CFUs, we recommend consulting a healthcare professional, as such doses are generally suited to address specific health conditions.
Price
Transparency in pricing is an essential aspect of our selection process. Reuteri supplements generally range from $15 to $50, depending on factors like CFU count, formulation quality, and third-party certifications.
Lower-priced options may be appealing but can sometimes lack advanced features like delayed-release capsules or prebiotic ingredients that enhance effectiveness. Therefore, within the $25 to $50 range, products tend to offer superior formulations and higher reliability in terms of efficacy.
Testimonial Disclaimer
*The testimonials presented on this website are provided by individuals based on their personal experiences with our products. These testimonials represent individual opinions and experiences, which may not be typical or applicable to all users of our products. Results may vary depending on a variety of factors, including individual health, lifestyle, and adherence to product usage instructions.6 Best Reuteri Supplements for Digestive Health
Supersmart - Lactobacillus reuteri 5 Billion CFU per Day | $15.00 | Best for Gut Health

Review
Supersmart’s Lactobacillus reuteri is a suitable option for individuals looking for a product to promote general wellness. Each serving provides 5 billion CFUs of L. reuteri, a probiotic strain that can contribute to the balance of the gut microbiota. This product is appropriate for all adults.
Many users have shared that they experienced positive changes in their overall wellness after using this product. Customer Tuna Kramer mentioned that the capsules are easy to take and have produced favorable feedback.*
However, Lirpa experienced some stomach discomfort but thought it might be a typical initial reaction as the microbiota adjusts.*
Pros
- Contains 5 billion CFUs of Lactobacillus reuteri per serving.
- Slow-release capsules help probiotics survive stomach acid.
- Non-GMO, gluten-free, and vegan.
- Highly rated by many users for overall wellness support.
Cons
- Some individuals may experience mild stomach discomfort during the initial phase as their digestive system adjusts.*
- Results may take time to become noticeable.
Vinatura Lactobacillus gasseri, Plantarum, Reuteri, Rhamnosus, Crispatus, Acidophilus (38B CFU Probiotics) | $26.89 | Best for Immune, Gut and Women Health

Review
Vinatura Lactobacillus Probiotic is a multi-strain formula developed to support daily wellness through microbiome balance.
Each acid-resistant capsule provides 38 billion CFU from six well-studied Lactobacillus strains, including L. Reuteri RC-14, L. Rhamnosus GR-1, and L. Plantarum UALp-05.
This formulation also includes L. Gasseri UALg-05 and L. Acidophilus DDS-1, strains that have been widely researched for their role in supporting digestive health.
The presence of L. Reuteri RC-14 and L. Rhamnosus GR-1 reflects growing scientific interest in microbiome diversity and women's wellness.
Vinatura uses acid-resistant capsules to help safeguard probiotic viability through the digestive tract. The formula is made with clean-label ingredients, including rice powder and hydroxypropyl methylcellulose for plant-based encapsulation.
Customer Cjoy shared: "These capsules have a high and diverse probiotic content, which is what I always look for. They are easy to swallow and tasteless. I am very satisfied with them and only have a few left in the bottle."*
Meanwhile, another customer Brooklyn NY stated: "I started this probiotic 30 days ago! It WORKS. I am finally losing my menopause stomach and overall weight and improving my digestive health. I am so happy with this product, and I’ve been recommending it to all my friends!!!!"*

Pros
- Contains 38 billion CFUs with diverse strains, providing general support for digestive wellness.
- Acid-resistant capsules help protect probiotics as they pass through the stomach.
- Made in the USA, ensuring high quality through strict testing processes.
- Offers general benefits for overall wellness.
- Suitable for women of all ages, promoting general well-being.
Cons
- Requires proper storage to maintain probiotic effectiveness.
Vitamatic Lactobacillus reuteri Complex | $13.49 | Best for Digestive Support

Review
Vitamatic Lactobacillus reuteri Complex is a great choice for individuals looking for a natural option to promote general wellness.
Each slow-release capsule contains 22 billion CFUs, designed to support the survival of probiotics in the stomach environment, thereby optimizing their potential benefits. Additionally, it is enriched with Inulin Prebiotic fiber, which may contribute to overall digestive health.
Norma appreciates this product as she uses it to make yogurt and finds it effective as a supplement. Although she prefers the taste of yogurt made from more expensive probiotics, she considers this product to be economical.*
Conversely, Chucklehead123 notes that while the product initially worked well for making yogurt, the powder in the capsules hardened over time, making it less convenient to use.*
Pros
- Contains 22 billion CFUs per capsule to support general wellness.
- Enriched with Prebiotic Inulin for added benefits.
- Slow-release capsules help maintain probiotic integrity.
- Non-GMO, gluten-free, and free from artificial additives.
- Affordable price.
Cons
- Some users report that the powder in the capsules may harden over time.*
Microbiome Labs MegaGenesis - Ancestral LimosiLactobacillus reuteri PB-W1 | $42.90 | Best for Gastrointestinal Health

Review
Microbiome Labs MegaGenesis is a probiotic supplement suitable for individuals looking for general wellness support.
Research suggests that a high-fiber diet, in combination with this probiotic, may promote the well-being of the gut microbiota, contributing to digestive comfort.
MegaGenesis can be used alongside other products from Microbiome Labs to create a holistic approach to wellness.
Customer DaveB appreciates the product: "I eat one meal a day. After using this product, I feel a significant positive change. My digestion feels better!" Meanwhile, Jena feels that "This product has caused me some discomfort. I only took 3/4 and they wouldn't let me return it."*
Pros
- Contains the unique strain LimosiLactobacillus reuteri PB-W1, providing potential support for general wellness.
- Easy-to-swallow capsules can be taken with or without meals.
- Promotes the activity of gut microbiota for overall comfort and wellness.
Cons
- Some users report experiencing discomfort while using the product.*
- Compared to some other probiotic products, MegaGenesis is pricier and may not fit everyone's budget.
Toniiq 50 Billion CFU Lactobacillus reuteri Probiotic 50mg per Serving | $27.97 | Best for Healthy Digestive System

Review
The 50 Billion CFU Lactobacillus reuteri Probiotic from Toniiq is designed for anyone looking to support their general wellness, suitable for a wide range of individuals.
With 50 billion CFUs per serving, this product boasts one of the highest verified CFU counts on the market, ensuring you receive a robust dose of probiotics for your overall well-being.
Many users appreciate the effectiveness and taste of the Toniiq probiotic. They report success using this product to make yogurt and feel that it positively contributes to their wellness.*
The product’s value also receives positive feedback. However, some users have reported experiencing stress, stomach discomfort, and jitters, indicating that individual reactions may vary.*
Pros
- With over 50 billion CFUs per serving, the product provides a strong dose of probiotics for general wellness.
- Each batch undergoes rigorous testing for purity and potency.
- Suitable for various uses, including yogurt-making.
- Manufactured in facilities that adhere to strict quality standards.
Cons
- Some users report experiencing anxiety and stomach discomfort.*
- Reactions to probiotics can vary; not all users may experience the same benefits.*
BioGaia Gastrus Chewable Tablets, Adult Probiotic Supplement | 28.99 USD

Review
BioGaia Gastrus Chewable Tablets are suitable for individuals looking to support their digestive wellness. With key ingredients that include well-researched probiotic strains, BioGaia Gastrus aims to help maintain a balanced gut microbiota, promoting general well-being.
Users have provided positive feedback about this product, noting its effectiveness in contributing to digestive comfort and overall satisfaction.*
One customer, Matthew, noted, "The product has a positive effect on my digestion and makes me feel better overall."* However, some customers, like Kate, expressed disappointment upon discovering the product contains natural flavoring, which they suspect may affect their digestive comfort.*
Pros
- Supports digestive wellness and general comfort.
- Aims to assist with regularity and overall well-being.
- Potential benefits for mental wellness through the gut-brain connection.
- Pleasant flavor, easy to consume.*
Cons
- Some users feel the product is priced higher than expected.*
- There are concerns regarding the presence of natural flavoring.
Frequently Asked Questions
What Is The Best Source Of L. Reuteri?
The best natural food sources of L. reuteri are: sourdough bread, fermented foods such as miso, kimchi, and sauerkraut. Additionally, yogurt or dairy products may also contain L. reuteri.
Which Strain Of L. Reuteri Is Best?
The best strains of L. reuteri are Lactobacillus reuteri RC-14® and Lactobacillus reuteri Protectis®, as both can survive and thrive in the acidic environment of the stomach, allowing them to reach the small and large intestines where they may help support general digestive wellness.
How Do I Get More Lactobacillus Reuteri?
In addition to dietary supplements, you can naturally obtain more Lactobacillus reuteri from foods such as yogurt, sauerkraut, sourdough bread, and kimchi.
Who Should Not Take Reuteri?
People with weakened immune systems, those with certain health conditions, and infants or young children should exercise caution when using L. reuteri. It is always a good idea to consult with a healthcare professional before starting any new supplement.
What Are The Skin Benefits Of Lactobacillus Reuteri?
L. reuteri is believed to have properties that support skin health by promoting a healthy skin environment. It may help improve the appearance of the skin when used regularly as part of a skincare routine.
Conclusion
When choosing a Reuteri supplement, it is important to consider factors such as purity, efficacy, dosage, and price.
The products recommended in this article are not only chosen based on research and user reviews but also on their ability to provide optimal benefits for your digestive health. We hope this information will help you find the ideal Reuteri supplement for your health.
References
- [1] Ljunggren, L., Butler, E., Axelsson, J., Mikael Åström, & Ohlsson, L. (2024). Effects of probiotic supplementation on testosterone levels in healthy aging men: A 12-week double-blind, placebo-controlled randomized clinical trial. Contemporary Clinical Trials Communications, 101300–101300. https://doi.org/10.1016/j.conctc.2024.101300.
- [2] Tang, Q., Yi, H., Hong, W., Wu, Q., Yang, X., Hu, S., Xiong, Y., Wang, L., & Jiang, Z. (2021). Comparative Effects of L. plantarum CGMCC 1258 and L. reuteri LR1 on Growth Performance, Antioxidant Function, and Intestinal Immunity in Weaned Pigs. Frontiers in Veterinary Science, 8. https://doi.org/10.3389/fvets.2021.728849.
- [3] Poutahidis, T., Springer, A., Levkovich, T., Qi, P., Varian, B. J., Lakritz, J. R., Ibrahim, Y. M., Chatzigiagkos, A., Alm, E. J., & Erdman, S. E. (2014). Probiotic Microbes Sustain Youthful Serum Testosterone Levels and Testicular Size in Aging Mice. PLoS ONE, 9(1), e84877. https://doi.org/10.1371/journal.pone.0084877.
- [4] Khmaladze, I., Butler, É., Fabre, S., & Gillbro, J. M. (2019). Lactobacillus reuteri DSM 17938—A comparative study on the effect of probiotics and lysates on human skin. Experimental Dermatology, 28(7), 822–828. https://doi.org/10.1111/exd.13950
Author

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