L. salivarius is a probiotic strain that provides a number of benefits to your body, such as lowering cholesterol, relieving asthma, and reducing tissue inflammation. It is found throughout the body, but it is particularly concentrated in the saliva. Consequently, one area in which it differs from other beneficial probiotics is in the great benefit that it provides to dental health.

L. salivarius is great for oral health

According to researchers, this probiotic strain dramatically decreases the level of plaque forming bacteria in the mouth while naturally freshening breath and reducing gum sensitivity. There have been a number of studies proving the beneficial effects on keeping fresh breath, such as this study demonstrating that regular supplementation with L. salivarius can improve halitosis, or this one demonstrating a general improvement in oral malodor. The overall oral health of smokers in particular benefits greatly from supplementation with this probiotic.

In addition to improving oral health, L. salivarius has been proven to strongly inhibit H. Pylori, a type of harmful bacteria that leads can lead to stomach ulcers an even cancer. In a six-week study involving supplementation with both L. salivarius and fructooligosaccharide (FOS, a type of prebiotic that acts as food for the probiotic bacteria), participants experienced significantly reduced total cholesterol, bad cholesterol (LDL), and showed an increase in good cholesterol (HDL). This combination was shown to be more beneficial than L. salivarius alone.

L. salivarius, asthma and other positive outcomes

There have been several studies related to the impact of L. salivarius on asthma. These mice studies indicate that it decreases allergen-induced airway responses in mice, and it also alleviated clinical symptoms and airway inflammation in mice with asthma. This 2015 study involving asthmatic patients aged 20-35 years old demonstrated that L. salivarius decreases the secretion of pro-inflammatory cytokines and exhibited beneficial immunomodulatory activity.

Some studies are still in relatively early stages regarding their impact on humans, such as this one indicating that L. salivarius may facilitate the recovery of inflamed tissue by increasing production of inflammatory mediators, such as cytokines. Another recent study suggests that it may be able to help improve gut microbial balance in patients with diabetes.

We’ve already discussed a plethora of important benefits that L. salivarius provides for the body, but there are still more! Some other important benefits include enhancing both natural and acquired immune responses, reducing symptoms and improving quality of life in children and adults with atopic dermatitis, and suppressing or inhibiting the growth of certain cancer cells. Regardless of the type of health issue you’re looking to address, there’s a good chance that L. salivarius will be an important tool to keep in your repertoire. Be on the lookout for it the next time you’re shopping for a probiotic supplement.


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