Although most studies have shown few, if any, negative side effects, it is important to keep in mind that research on probiotics is still in a preliminary phase. There may be some risk for people who have certain health conditions. As with any supplement, it is essential that before you begin to take a probiotic supplement, that you speak with your physician first to help to ensure that you will not be putting your health at risk.
Matsumoto S., Hara T., Hori T., Mitsuyama K., Nagaoka M., Tomiyasu N., et al. (2005) Probiotic Lactobacillus-induced improvement in murine chronic inflammatory bowel disease is associated with the down-regulation of pro-inflammatory cytokines in lamina propria mononuclear cells Clin Exp Immunol 140: 417–426 [PMC free article] [PubMed] [Google Scholar]
Vitamin Bounty’s probiotic contains a variety of well-studied strains and a competitive 25 Billion CFU. It also contains a natural prebiotic resistant starch, rice flour, to fuel the strains this probiotic supplies. Over 95% of Pro 25’s strains were still active and viable, the second highest observed strain viability out of all probiotics reviewed-to-date!
Russian microbiologist Elie Metchnikoff (1845-1916) was the first to associate the large amounts of fermented dairy products with the good health and longevity of Bulgarians back in 1907. He proposed that the acid-producing organisms in fermented dairy products could prevent what he called "fouling" in the large intestine. He believed if eaten regularly, these foods could lead to a longer, healthier life. One version of the Old Testament even attributes Abraham's long life — 175 years — to the "consumption of sour milk." Fermented milk products may have also been used to treat illnesses of the digestive tract during Roman times.
Even if some of the bacteria in a probiotic managed to survive and propagate in the intestine, there would likely be far too few of them to dramatically alter the overall composition of one's internal ecosystem. Whereas the human gut contains tens of trillions of bacteria, there are only between 100 million and a few hundred billion bacteria in a typical serving of yogurt or a microbe-filled pill. Last year a team of scientists at the University of Copenhagen published a review of seven randomized, placebo-controlled trials (the most scientifically rigorous types of studies researchers know how to conduct) investigating whether probiotic supplements—including biscuits, milk-based drinks and capsules—change the diversity of bacteria in fecal samples. Only one study—of 34 healthy volunteers—found a statistically significant change, and there was no indication that it provided a clinical benefit. “A probiotic is still just a drop in a bucket,” says Shira Doron, an infectious disease expert at Tufts Medical Center. “The gut always has orders of magnitude more microbes.”
"Short-chain fatty acids are a key component of good gut health," lead study author Hariom Yadav, an assistant professor of molecular medicine at Wake Forest School of Medicine, said in a statement. "People with diabetes, obesity, autoimmune disorders and cancers frequently have fewer short-chain fatty acids. Increasing them may be helpful in maintaining or even restoring a normal gut environment, and hopefully, improving health," Yadav said.
Swanson Health's purity and potency testing begins with our ingredient sourcing, continues through manufacturing, and goes beyond when a product hits the shelf. Our testing exceeds industry standards, ensuring each product meets our quality guarantees for purity and potency. Swanson facilities are Good Manufacturing Practices (GMP) certified, and we voluntarily participate in third-party, independent laboratory testing. With Swanson, you can be sure you're getting the most pure and potent health products at a great value. Click here to learn more about our quality standards.
The bottom line: Stick to trusted whole food sources of probiotics if you don’t know a probiotic supplement brand you trust. “Kimchi, pickled beets, Greek yogurt and sauerkraut are great sources of probiotics. If you don’t like them, throw them into a food you do like, like a smoothie, and add your favorite fruit to help mask the flavor,” Taub-Dix says.
Niv Zmora, Gili Zilberman-Schapira, Jotham Suez, Uria Mor, Mally Dori-Bachash, Stavros Bashiardes, Eran Kotler, Maya Zur, Dana Regev-Lehavi, Rotem Ben-Zeev Brik, Sara Federici, Yotam Cohen, Raquel Linevsky, Daphna Rothschild, Andreas E. Moor, Shani Ben-Moshe, Alon Harmelin, Shalev Itzkovitz, Nitsan Maharshak, Oren Shibolet, Hagit Shapiro, Meirav Pevsner-Fischer, Itai Sharon, Zamir Halpern, Eran Segal, Eran Elinav. Personalized Gut Mucosal Colonization Resistance to Empiric Probiotics Is Associated with Unique Host and Microbiome Features. Cell, 2018; 174 (6): 1388 DOI: 10.1016/j.cell.2018.08.041
Cardiovascular health is a major concern for men in Western societies. While some of the main challenges to maintaining a healthy heart (like excessive drinking and smoking) aren’t nearly as widespread as they once were, unwanted changes in heart function are still one of the most common reasons for men to need emergency medical care.1 But taking probiotics can help you keep your heart firing on all cylinders, even as you age.
Bifidobacteria were first isolated from a breast-fed infant by Henry Tissier, who also worked at the Pasteur Institute. The isolated bacterium named Bacillus bifidus communis was later renamed to the genus Bifidobacterium. Tissier found that bifidobacteria are dominant in the gut microbiota of breast-fed babies and he observed clinical benefits from treating diarrhea in infants with bifidobacteria.
There is one Voluntary Certification Program by which a supplement manufacturer can choose to be evaluated. ConsumerLab.com (CL) is the leading provider of independent test results and information to help consumers and health-care professionals identify the best quality health and nutrition products. Products that have passed their testing for identity, strength, purity, and disintegration can print the CL Seal of Approval on their product. This is one step toward being confident that one is getting the amount and type of probiotic promised by the manufacturer.
Kefir is a thick and creamy fermented milk product. It tastes tangy like yogurt. Probiotic strains in kefir may help reduce cholesterol, protect against cancer, fight allergies, and improve the digestion of lactose. Kefir is rich in lactic acid bacteria (LAB), friendly bacteria that may help prevent and treat diarrhea, boost immunity, and improve the body's ability to ward off infection. Kefir is rich in Lactococcus lactis, Lactobacillus kefir, Lactococcus cremoris, Lactobacillus casei, Lactobacillus casei, and a few varieties of beneficial yeast. You can learn to make your own kefir using kefir grains as the starter.
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I have been taking Probiotics for IBS diagnosed about 3 years ago, and along with some diet changes, it has been nothing short of miraculous. I did have to do some trial and error to find the right bacterial strains. I recommend starting with one of the recommended products with some research for IBS; use a product with the most different strains possible. Stay on it for at least a month; if you don't see a positive result or only a partial result, try different strains. Keep a log. I unwittingly swithced products from one containing 12 strains to one containing 11 and went from awesome to awful cramps, bloating diarrhea etc, but at least now I know which strains work for me.
The foods that are highest in prebiotic fiber are also difficult to find and prepare. Jerusalem artichoke — not the average artichoke sold in your local grocery store — and chicory root contain the highest amounts of inulin and oligofructose. The good news is that Prebiotin offers an easy solution: with our simple supplement, you can get enough prebiotic fiber through normal dietary intake instead of eating a high amount of chicory root a day. Prebiotin is also low in calories. Unlike other fiber supplements, Prebiotin does not have an unpleasant taste or texture. It is slightly sweet and easily combines with beverages such as coffee. You can also sprinkle it on top of food.
Probiotic treatment of bacterial vaginosis is the application or ingestion of bacterial species found in the healthy vagina to cure the infection of bacteria causing bacterial vaginosis. This treatment is based on the observation that 70% of healthy females have a group of bacteria in the genus Lactobacillus that dominate the population of organisms in the vagina. Currently, the success of such treatment has been mixed since the use of probiotics to restore healthy populations of Lactobacillus has not been standardized. Often, standard antibiotic treatment is used at the same time that probiotics are being tested. In addition, some groups of women respond to treatment based upon ethnicity, age, number of sexual partners, pregnancy, and the pathogens causing bacterial vaginosis. In 2013 researchers found that administration of hydrogen peroxide producing strains, such as L. acidophilus and L. rhamnosus, were able to normalize vaginal pH and rebalance the vaginal microbiota, preventing and alleviating bacterial vaginosis.
The large intestine is home to hundreds of trillions of bacteria. Fortunately, most are neutral or even beneficial, performing many vital body functions. For example, they help keep “bad” bacteria at bay, play a role in immunity, help us digest food and absorb nutrients and may even have anticancer effects. But will consuming them as probiotics in foods or capsules make a notable difference to your health—especially if you are already healthy? Here’s a look at the evidence.
Swanson Probiotic for Digestive Health helps support digestion with 16 carefully selected strains so you can feel your best.* Your digestive tract is a diverse ecosystem, home to billions of microorganisms. The “good ones,” known as probiotics, provide valuable support for healthy digestion, immune function and many other vital processes throughout the body.* Probiotics help establish and maintain a healthy balance of bacteria in the GI tract by increasing the population of beneficial strains. Prebiotics, such as fructooligosaccharides (FOS), enhance this activity by nourishing probiotic organisms to ensure that they thrive.
The gut microflora of every individual consists of various microorganisms (bacteria, yeast and fungi) that live in the intestinal tract. When the intestinal microflora is out of balance, that imbalance may affect overall health. This balance can be disturbed during times of stress, with age, in menopause, when taking medications, with an unbalanced diet, and in the event of acute or chronic intestinal disease.1,2,3
Caution needs to be taken by everyone who chooses to take these supplements, but this is especially true for children, pregnant women, elderly people, and people with compromised immune systems. For people with compromised immune systems due to disease or treatment for a disease (such as cancer chemotherapy), taking probiotics may actually increase one's chances of getting sick. It has been shown that the use of various probiotics for immunocompromised patients or patients with a leaky gut has resulted in infections and sepsis (infection of the bloodstream). One case of bacteremia (bacteria in the bloodstream) was recently found when someone with active severe inflammatory bowel diseases with mucosal disruption was given Lactobacillus GG. Always speak with a doctor before taking any supplement under these circumstances.
In a clinical setting however, some probiotics have been found to be useful in treating specific medical conditions, such as antibiotic-associated diarrhea in children and Clostridium difficile infection in adults. One concern is that probiotics taken by mouth can be destroyed by the acidic conditions of the stomach. As of 2010, a number of microencapsulation techniques were being developed to address this problem.
Quality matters for any supplement, and that goes triple for probiotics. Many commercial brands lack the technology to identify specific strains and how much of that strain each dose contains. That could mean you get an ineffective or potentially harmful dose. It's a great sign if the company is using strains that have been used specifically in clinical trials at a dose similar to or the same as that used in the study. This is one of the only ways to guarantee a probiotic's clinical effectiveness.
Smits H.H., Engering A., van der Kleij D., de Jong E.C., Schipper K., van Capel T.M., et al. (2005) Selective probiotic bacteria induce IL-10-producing regulatory T cells in vitro by modulating dendritic cell function through dendritic cell-specific intercellular adhesion molecule 3-grabbing nonintegrin J Allergy Clin Immunol 115: 1260–1267 [PubMed] [Google Scholar]