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Probiotic: What You Need To Know


How Probiotics Work
Image credit: AskTheScientist


Understanding probiotic is so important. Everything you ingest must go through your digestive system, which, in turn, provides all the micro- and macronutrients your body’s cells need to function properly. Because the digestive system is responsible for breaking down and absorbing the vitamins and minerals from food and nutritional supplements, maintaining digestive health is an important factor in optimizing nutrient intake and defending against deficiency-related illness.* 

Not only does a healthy digestive system greatly reduce the likelihood of physical discomfort from gas, constipation, bloating, or occasional diarrhea, it also facilitates consistent waste elimination from the body through the regular passing of stool and normalization of stool consistency.*

To keep everything working smoothly, it is vital that you drink plenty of water; exercise; and consume a proper diet with plenty of fiber from fruits, vegetables, and whole grains. In addition to eating a healthful diet, using probiotics can help create an ideal environment for healthy digestion.*


Your gut is host to both beneficial and potentially harmful bacteria. These bacteria, also known as micro-flora, may aid healthy digestion. Age, stress, illness, antibiotics and/or certain medicines, poor diet and hydration, lack of rest, and harmful environmental conditions may endanger the fine balance that is needed to support the normal intestinal flora. This imbalance can result in the reduction of beneficial bacteria in the gut, which can lead to digestive concerns that may not only be physically uncomfortable but also possibly harmful to your health.

The Food and Agriculture Organization of the United Nations defines probiotics as “live microorganisms that, when administered in adequate amounts, confer a health benefit on the host.” Probiotic dietary supplements replenish beneficial micro-flora, which can help restore a proper microbial equilibrium in the gut and aid good digestion. USANA Probiotic features a unique 50/50 mixture of Bifidobacterium BB-12®† and Lactobacillus rhamnosus LGG®†—two strains of probiotic bacteria that have been clinically proven to promote a natural balance of beneficial micro-flora in the gut.*

Research suggests that probiotics, including Bifidobacterium BB-12 and Lactobacillus rhamnosus LGG, may also play a role in sustaining healthy immune function. More immune cells are concentrated in the gut than in any other region of the body. These probiotics may help prevent harmful bacteria from taking hold in the intestinal tract and encourage the growth of healthy bacterial growth to help support proper nutrient absorption.*


The beneficial effects of one strain of probiotics do not necessarily hold true for others, or even for different varieties of the same species or strain. A sufficient quantity of high-quality bacteria strains must survive stomach enzymes and enter the intestinal tract alive to be effective.

ProbioticVerified to supply 12 billion Colony Forming Units (CFU) of viable bacteria—a level shown to be effective in clinical studies—USANA Probiotic contains Bifidobacterium BB-12 and Lactobacillus rhamnosus LGG, two strains well-documented to survive transit through the harsh, acidic environment of the stomach to colonize the intestines.*

USANA Probiotic employs an advanced delivery system that guarantees the product will remain effective for at least 18 months when stored at room temperature. Refrigeration may prolong shelf life even further. It is also easy to use. Simply take USANA Probiotic alone or add one serving (one stick pack) of the mildly sweet, powdered formulation to cold beverages or foods every one or two days for proven digestive health results.*

Frequently Asked Questions

What Makes USANA Probiotic Different From Other Probiotic Supplements?

While probiotics have known benefits, there are many factors to consider when choosing a specific probiotic supplement.

  1. First, note that different probiotic products utilize different bacteria strains. Numerous probiotic strains are available, many of which have very little to no clinical data regarding their benefit or physiological activity.
  2. Second, stability is a huge problem with most strains of bacteria. Shelf-life for most strains is very short and many strains need refrigeration. Even refrigerated products can have poor viability and very short shelf-lives. In addition, many strains that have good data in culture or in vitro show no viability when exposed to the actual human digestive process. If a strain does not make it through digestion all the way to the intestine to colonize, its benefit is questionable.

USANA spent many years researching and combing through data in search of a product unaffected by these potential roadblocks. The result is the USANA Probiotic product. The two strains used in this product have extensive clinical and human data to support benefit and viability. Most commonly used strains do not.

Additionally, this particular proprietary blend has proven to be ultimately stable at room temperature. In both in-house and third-party testing we have been able to corroborate the manufacturer’s claim of 18-month stability.

The bacterial strains used in USANA Probiotic have numerous human trials to prove viability and benefit in humans. And, with better stability than other products on the market, the majority of other probiotic products cannot measure up to the overall quality and effectiveness of USANA Probiotic.

What Strains Are in The USANA Probiotic?

USANA Probiotic contains Lactobacillus rhamnosusLGG, and Bifidobacterium BB-12.

Can USANA Probiotic be Mixed With Food and Beverages?

The most convenient way to take USANA Probiotic is consuming it straight from the stick pack. USANA Probiotic can be added to cold food and beverages. We do not recommend mixing it with boiling or hot liquids. High temperatures can reduce the effectiveness of the product.

If you decide to mix USANA Probiotic into a separate food or beverage, please consume the mixture within a reasonable timeframe (less than 30 minutes or so). This will help minimize any potential loss of potency.

Does USANA Probiotic Need to be Refrigerated?

Whether a probiotic product needs refrigeration depends on the strain, the packaging, the manufacturing, and other ingredients added to the formula. Stability tests have been done to establish shelf life, so we know our specific product is fine stored without refrigeration. USANA Probiotic is stable at room temperature (25° C) and keeps its effectiveness for 18 months. For individuals living in unusually hot climates, refrigeration can be used to ensure that the product remains potent for the duration of its shelf life.




Reprinted from AskTheScientist.

*These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.


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