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  • Boosts Immune System
  • Supports Digestive Function
  • Promotes Urinary Tract Health
Why is probitrinol so effective?

The combination of strains in Probitrinol was precisely formulated to give your body the maximum benefits that you can get from a probiotic. Customers who used Probitrinol quickly saw improvements in their digestion and their immune function, with fewer gastrointestinal issues and a decrease in inflammation. Users can expect to see benefits for as long as the supplement is taken.


enhances immune function


Promotes Digestive Health


helps with weight loss


improves Skin health

Probitrinol's benefits can be seen in as little as 24 hours, as the combination of probiotic cultures is introduced into the body, and the strains begin to go to work supporting your body's natural digestive functions. Long-term use is recommended for the best results, with users seeing improved results after several weeks of use.

Worried about covid-19? How probiotics impact immune health

Coronavirus continues its rampage across the globe, and now billions of people are at risk of infection. Novel coronavirus and COVID-19, the disease it causes, pose a serious threat to your health and well-being, meaning that it’s more important than ever to ensure you have a healthy immune system. According to Tim Spector, professor of Genetic Epidemiology at King’s College, London, one way we can keep ourselves as healthy as possible is to cultivate a healthy gut biome1. That means that by keeping our gut flora in good shape, we may be putting ourselves in the best possible place to deal with any and all attacks on our immune systems.

Our bodies are host to trillions of bacteria which help us in multiple ways, and one of the most important things they do is help us maintain a strong immune response. One way they do this is by stimulating the cells which promote the production of T cells and increase their suppressive abilities2.

They also prevent sudden shifts in our bodies’ levels of vitamin A, shifts which can result in excessive immune responses like inflammation3. Vitamin A can also prevent oxidative stress, an effect which is thought to offset the progression of some viruses4.

The best ways to protect yourself from coronavirus is to practice social distancing, wash your hands frequently, and avoid contact with sick people. Doing the above, and maintaining a healthy immune system with probiotics, can help you stay safe and healthy during this difficult time.

Celebrate Life-Changing Benefits with Probitrinol
Improved Digestive Health
Probitrinol is formulated to enhance digestive function, aiding in the digestion of food and the absorption of nutrients.
Immune System Support
Boosts immunity, enhances mucosal barrier function and immune cell activity.
Reduced Bloating and Gas
Probitrinol helps to reduce symptoms of bloating and gas, which can lead to greater comfort and less gastrointestinal distress.
Anti-Inflammatory Effects
Reduce inflammation, mitigate gut inflammation, and enhance immune resilience.
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What is inside Probitrinol?

Lactobacillus acidophilus

L. acidophilus is a commonly used probiotic bacteria with many health benefits. It lowers cholesterol, boosts immunity, and combats fatigue and aging. This is also a great probiotic for allergy relief. It is one of the most commonly selected Lactobacillus species for dietary use.

Bifidobacterium Lactis

Bifidobacterium Lactis is a very powerful transient probiotic bacteria. Scientific studies have proven that B. Lactis enhances immunity, fights tumor growth, improves digestion and can lower cholesterol. Bifido Lactis is present in raw milk and is used as a starter culture for cheese, cottage cheese, and buttermilk.

Lactobacillus fermentum

L-Fermentum is a probiotic species of bacteria which inhabit the gastrointestinal tract, mouth and vagina of mammals, including humans. Its probiotic properties are reported to include the promotion of good digestive activity, reduction in respiratory illnesses and as a treatment for urogenital infection in females.

Lactobacillus Rhamnosus

L. Rhamnosus is one of many non-colonizing transient bacteria of the human gastrointestinal tract, and has been shown to provide notable benefits to neural pathways, the immune system, and in the treatment of candida.

Bifidobacterium longum

Bifidobacterium Longum is a gram-positive, branched rod-shaped bacterium that produces lactic acid from the fermentation of sugar in the gastrointestinal tract. It is added to a variety of foods or dietary supplements as a probiotic due to its many health benefits.


S-Thermophilus is an often encountered probiotic used in cheese and yogurt production. This good bacterium has many potential health benefits. It is great for the skin, may alleviate GI symptoms, and may increase folate and hemoglobin levels.

Lactobacillus Acidophilus In a study in 60 people with functional bowel disorders, taking a combination of L. Acidophilus for two months improved bloating and also reduced abdominal pain in patients.
Bifidobacterium Lactis A large study of 362 people found that taking a Bifidobacteria probiotic for four weeks significantly improved reduced inflammation in people with inflammatory bowel disease, ulcerative colitis, chronic fatigue syndrome, and psoriasis.
S-Thermophilus When 20 healthy men consumed an S-Thermophilus, their blood pressure went down and improve lactose digestion in people with lactose maldigestion.

As a gift to our customers, we put together a Guide e-book with general knowledge of the immune system and its importance for our body. We looked into health problems associated with a low immune system and ways to avoid it with the right approach. By strengthening your immune system you can prevent many health issues and live a longer and happier life.

Real people, real reviews

"Probitrinol is the best probiotic I've ever bought!"

"Probitrinol is the best probiotic I've ever bought! I have health problems, which mean I take lots of supplements. While it's not the cheapest option on the market, the price is well worth it. I initially gave this product a 5/5 when I first started using it, but after a few weeks I wish I could give it a 6! I have fibromyalgia, and one side effect is irritable bowel syndrome. However, after only two weeks of using Probitrinol, my IBS has all but disappeared. That's right: ten years of discomfort, gas, bloating, and constipation all disappeared, and I couldn't be happier. The best part is that it doesn't have to be refrigerated."*

Michelle, Miami

* Results are individual and may vary. We cannot guarantee the same experience for every consumer.

“My digestive system is working properly for the first time in several years.”

"After using several different brands of probiotic supplements, enzymes, and acid reducers to help my digestive tract, I wasn't finding anything that worked. I wasn't even able to eat dinner much later than 5pm, unless I wanted to deal with severe acid reflux. I was also suffering from severe constipation. I tried everything, I decided to try this product and the results were incredible. After taking it for around 3 weeks, my constipation is gone. I can also lay down after having a meal, without my acid reflux burning me up – and I haven't even had to take an acid reducer! My digestive system is working properly for the first time in several years."*

Susan, Denver

* Results are individual and may vary. We cannot guarantee the same experience for every consumer.

“I've used lots of different probiotic supplements, but this one is the best.”

"I'm getting older, and every year I become more conscious of how I can stay healthy, and not just when it comes to medicines. I've been reading a lot about how important our body's "microbiome" is. This supplement really is one of the best out there, since it resists stomach acid and effectively delivers beneficial bacterial strains. Without saying too much, I can say that this product has worked wonders! I've used lots of different probiotic supplements, but this one is the best, and my body has responded really, really well."*

John, Los Angeles

* Results are individual and may vary. We cannot guarantee the same experience for every consumer.

Comprehensive Immune Support
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Increase the Effectiveness of New Probitrinol up to 76%

Probitrinol effectiveness is further increased up to 76% when combined with an all-natural supplement called Memotenz. This product has been endorsed by numerous medical professionals in recent years.

The stress that we put on our brains through years of daily use starts to add up, and at some point people may feel as though they require some kind of mental performance aid.

Memotenz is specifically formulated to help ensure that the brain gets the basic nutrients that it needs in order to retain its abilities to focus, stay alert and energetic, solve problems, and perform at its optimal ability.

Effectiveness levels while taking Probitrinol
Frequently Asked Questions

What is Probitrinol?Probitrinol is a natural supplement that contains beneficial probiotic strains that can help your body to work at its best. These “good” bacteria not only help your digestive tract, but can help improve your immune response and the health of your urinary tract, among other benefits.

What are Probiotic Strains?Probiotic strains are beneficial bacteria that help several of your body's systems to work properly, from immune and digestive function to skin and even eye health. These strains have evolved along with the human body, and over millions of years a symbiotic relationship developed that we've only begun to understand.

How Can Probitrinol Benefit Your Health?Probitrinol helps you in a number of ways. Not only does it help your body to break down food in the digestive system, allowing your body to better absorb valuable nutrients, but it helps your immune system to better resist "bad" bacteria. It also produces vitamins your body needs, and it makes compounds that have anti-inflammatory properties that can help your body stave off harmful microbial invaders.

Probitrinol Benefits to Women's Health?Some probiotic strains can particularly help women to maintain better health. Some strains are thought to be effective at fighting off urinary tract infections, vaginitis, and irritable bowel syndrome.

Immunity Strengthening Benefits?Probiotic strains help the immune system in an important way that we've only recently begun to understand. By helping to strengthen the "barrier" function of the lining of the intestines, probiotics help prevent harmful bacteria from being absorbed into the bloodstream, reducing the chance of infection.

Probitrinol Benefits to Infant Health?Since infants are still developing, Probitrinol can help support and strengthen infants' digestive health, and give them support for a healthier immune system.

Is It Safe for Pregnant/nursing Women?There is no evidence that probiotics are harmful to women who are pregnant, since bacterial strains are unlikely to end up in the fetus. Since these bacteria also don't cross over into breast milk, they are considered safe for use in women who are nursing.

Why Didn't Scientists Previously Know About Probiotics?Science has been aware of the positive effects of bacteria for a long time, and with an increase in study of how the body's different systems are positively affected by microbial populations, scientists have come to understand the balance between them and how they work.

Does Probitrinol Have Side Effects?Since Probitrinol contains only natural ingredients, it's formulated to work with your body and not cause any negative reactions. While no supplement can be guaranteed to be completely without side effects for all users, we can say that customers haven't reported any side effects for Probitrinol as of yet.

Where Can I see Supplement Facts and Ingredients? Probitrinol uses a special combination of 18 different strains that's formulated to support your overall health. It's 100% vegetarian and contains no chemicals or artificial ingredients. For more information on what's in Probitrinol, click here.

Is Probitrinol Available in Stores?Because we want to be able to provide Probitrinol to you at the lowest cost, Probitrinol is not available in stores. By offering this supplement to customers directly, we are able to cut out the middlemen and offer customers the best possible value for their money.

What information will appear on my credit card statement?You will only see the amounts that you were charged, listed under the name “Health Research Institute“.

Will You Charge my Credit Card Automatically? No. We have never had an "auto-charge" or "auto-ship" plan, and never will. All customers are billed at the time of sale, and the final checkout price is the price that will show up on your credit card statement.

Easy-to-take capsulesOur capsules are easier to swallow then their tablet counterparts, and the contents are completely absorbed by your body.

Is there an autoship?We are not a subscription company, we do not auto-ship any orders and we do not keep any credit cards on file. Every order is by your own discretion and can either be placed through the website or over the phone.

Does it have GMO/is it cruelty free?Our product is GMO free and was never tested on animals.

COVID-19 updateWe are taking and shipping our orders as usual.

Probitrinol can deliver all these results, and all you have to do is be CONSISTENT. The science is CLEAR. With consistency comes results. You'd be surprised at how amazing your results will be after 60 days!
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We are very confident in our product because it was developed by a group of nutrition specialists. Years of hard work gave us a perfectly balanced product that we are proud to sell. If you are not satisfied with your results, we will give you 100% money back!

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Probitrinol can help you:

  • Enhance Immune Function*
  • Promote Digestive Health*
  • Help with weight loss*
  • Improve Skin Health*
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Customer Reviews Makes Probitrinol The Top Choice!

Probitrinol Rating: 4.8 of 5 stars (98 reviews)