Lactobacillus gasseri is a bacteria naturally found in the gastrointestinal tract in the human body. It has an incredible characteristic: It reduces the absorbtion of fats, helping you to lose weight. In this guide we will share the secrets of the microscopic organism with you and its use as a probiotic supplement.

Experts agree that controlling your weight is one of the most difficult and complicated challenges people face. Some people cannot succeed in losing weight even through regular exercise and a balanced diet. This unfair situation can be caused by an imbalance in the intestinal microbes. Read on to learn more!

Key Facts

  • Lactobacillus gasseri is a bacteria which forms part of the intestinal flora of healthy people
  • Clinical studies into Lactobacillus gasseri show that this bacteria can contribute to weight loss and lowering of fat absorption in overweight adults.
  • Taking probiotics with Lactobacillus gasseri is safe for the majority of people, although immunosuppressed individuals should use this product with caution.

Ranking: The best lactobacillus gasseri supplements on the U.S. market

If you use a probiotic with an insufficient quantity of Lactobacillus gasseri or one with an inactive strain, you will be wasting your money. We want to help you to choose the product which best meets your needs, so we have put together this Ranking of the five best probiotic supplements with Lactobacillus gasseri:

No. 1: Swanson Lactobacillus Gasseri Probiotic

This Lactobacillus gasseri supplement from Swanson contains 3 billion colony forming units (CFUs) or fungal cells in each capsule. CFUs are highly effective in forming bacterial colonies within the digestive tract to promote immune and digestive health.

Swanson Health has been an established brand for nearly 50 years and is well known for its high-quality, science-backed health products. Their facilities are Good Manufacturing Practice (GMP) certified, and their purity and potency testing include independent third-party labs.

No. 2: Dr Matthew #1 Probiotics

This probiotic contains a number of probiotic strains to boost your health, immunity, energy and mental wellness, including lactobacillus gasseri. All strains are of human origin, and none which are soil-based which are found in some other probiotics. The human origin of all 15 strains ensures that not only they adhere onto the intestinal epithelium but also colonize and thrive in your gut because this is their natural environment.

The manufacturers guarantee that the probiotics’ potency will be maintained until the expiration date, rather than dropping off from the date of manufacture. The Dr Matthew brand uses patented technology and stability testing data to guarantee long shelf life and viability of the bacteria until expiration. The product is also non-refrigerated, vegetarian, lactose free, gluten free and non-GMO. With no artificial colors, preservatives or fillers.

No. 3: Swanson Lactobacillus Rhamnosus with Fos 5

These Lactobacillus capsules contain a range of gut bacteria which are beneficial for human health. The capsules are designed-release to ensure you get the ideal dosage when you need it. The product is also 100% vegetarian. The product is made to meet FDA guidelines, including ensuring that potency is maintained for at least 12 months from manufacture.

These probiotic capsules also come with the added bonus of prebiotics to maintain probiotic microorganism levels and keep these active and thriving.

No. 4: Physicians Choice Probiotics 60 Billion CFU

This supplement from Physician’s Choice is a 100% natural probiotic supplement. It contains not just lactobacillus gasseri but 10 strains of probiotics in total. It comes in a patented shelf-stable bottle activ-vial to keep the product stable and maintain potency.

This supplement is designed specifically for adults and is extra-strength and high potency. It is made in the USA so you can be assured it is of high quality and adheres to FDA guidelines.

No. 5: Hyperbiotics PRO-15 Probiotics

This supplement from Hyperbiotics contains 15 targeted probiotics. This diversity is important because each probiotic offers distinct benefits and advantages. The product contains 5 billion CFUs per BIO-tract pearl which is equivalent to 75 Billion CFU (colony forming units) of standard probiotic capsules.

The tiny pearls are a fraction of the size of standard capsules, making them easy to swallow. They contain only naturally-derived active ingredients and no fillers. The manufactures say the product doesn’t need to be refrigerated and has a long shelf life.

Shopping Guide: Everything you should know about lactobacillus gasseri

Lactobacillus gasseri is a bacterium that forms part of the normal microbial flora of the human body. Although it is especially abundant in the intestine, it is also found in breast milk and other tissues.  Healthy levels of L. gasseri will benefit our immune system, our digestion, and our metabolism.

Eating probiotics containing lactobacillus gasseri has many health benefits.
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What kind of bacteria is Lactobacillus gasseri?

The normal microbial flora, or microbiota, refers to all the microorganisms naturally found in a healthy person. Unlike pathogenic bacteria, the microbiota is beneficial for its host, promoting the development of immunity, metabolic balance, and physical and mental well-being.

The intestinal tract has its own microbiota, mostly consisting of bacteria of the genera Lactobacillus and Bifidobacterium.  Here, the microbiota is in contact with food, toxins, and pathogens.  Its proper functioning will prevent infections, abdominal discomfort, and failure to absorb nutrients.

Lactobacillus gasseri is part of the intestinal microbiota of healthy people. This bacterium plays an important role in the fermentation of nutrients, a process in which the most complex substances (such as lactose) are transformed into simpler compounds that are easier to process by the body.

What differentiates Lactobacillus gasseri from other bacteria?

The intestinal microbiota as a whole protects the gastrointestinal tract from infections by preventing invasion of pathogenic microorganisms.  In addition, they facilitate the digestion of certain compounds, avoiding bloating and abdominal discomfort. Lactobacillus gasseri may also contribute to weight loss.

In 2013, a clinical trial was conducted with overweight individuals, administering a supplement with L. gasseri before meals. After twelve weeks of study, it was shown that these people had lost about one kilogram of weight, without altering their diet or their degree of physical activity.  A result at least promising.

The roles played by the rest of the microbiota in the process of weight loss is discussed.  In the table below you will find similarities and differences between L. gasseri and the two most popular probiotics, the well-known L. casei and the “active Biffidus” (its scientific name is Bifidobacterium animalis):

Lactobacillus gasseri Lactobacillus casei Bifidobacterium animalis
Protection against infections Yes (stimulates immunity) Yes (stimulates immunity) Yes (stimulates immunity)
Vitamin production Possible (B12) Possible (B-group vitamins) Yes (B-group vitamins and vitamin K)
Aids with digestion Yes (fermentation) Yes (fermentation) Yes (fermentation)
Prevention of constipation Yes Yes Yes
Weight loss Possible (lowers fat absorption and reduces the size of fat cells) Under study Under study
Lowering of cholesterol Under study Unknown Unknown
Other effects (under study) Prevention of insomnia, treatment of endometriosis, improves the symptoms of anxiety and depression Treatment of ulcerative colitis, Crones disease, gastroenteritis, lactose intolerance, irritable bowel syndrome Reduction of respiratory infections, reduces discomfort and fussiness in infants, relief of eczema

What benefits does Lactobacillus offer me?

Lactobacillus gasseri favours the proper development of homeostasis (processes that contribute in maintaining a healthy balance in the body).  Although this bacterium is mainly located in the digestive tract, its effect will spread throughout the body.  In the following list, you will find its potential benefits:

  • Improvement of the digestive process
  • Relief from intestinal discomfort
  • Relief from swelling
  • Improvement of constipation and diarrhoea
  • Reduction of the abdominal perimeter
  • Weight loss
  • Reduction of fat absorption
  • Reduction of LDL cholesterol levels
  • Decrease in adipocyte size (fat-storing cells)
  • Insomnia relief
  • Relief from symptoms of anxiety and depression
  • Vitamin production, such as B12
  • Protection against viral and bacterial infections

Reducing you waistline and lowering “bad” cholesterol are potential benefits of lactobacillus gasseri.
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It’s true that many of these potential benefits need to be confirmed by clinical trials of greater scientific rigor.  However, the first results obtained presented encouraging results. So much so that it is already possible to buy L. gasseri in our country for its probiotic use.

Why can I have low levels of Lactobacillus gasseri?

Poor intestinal microbiota has been found in people undergoing chronic stress. If an inadequate diet is added to this situation (rich in saturated fats, sugars, and refined carbohydrates), the levels of intestinal flora, including Lactobacillus gasseri, will be negatively affected.

Many times, people trying to lose weight replace the refined sugars in their diet with sweeteners like sucrose. The continued use of these substances has been linked to a decrease in healthy microbiota (such as Lactobacillus gasseri) followed by increased proliferation of harmful bacteria.

Lactobacillus gasseri is a healthy microbiotic.
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What symptoms produce low levels of Lactobacillus gasseri?

Lactobacillus gasseri  is an essential component of the intestinal flora. If these beneficial microorganisms die and disappear, a series of negative effects will occur. In the list below, you will find the most common symptoms that may appear if the intestinal microbiota suffers some sort of damage:

  • Diarrhea
  • Constipation
  • Frequent flatulence
  • Foul-smelling odor
  • Heavy digestions
  • Weight gain
  • Increase of the abdominal perimeter
  • Increase in LDL cholesterol levels
  • Increased frequency of digestive tract infections
  • Symptoms of depression and anxiety
  • Symptoms of insomnia
  • Vulvovaginal infections (such as candidiasis)

Remember that the intestinal microbiota (including Lactobacillus gasseri) plays a key role in maintaining the health of the entire body.  Its actions are not limited to the intestinal tract. Although it seems incredible, these bacteria can affect our tolerance to stress and our behaviour.

How can I increase my levels of Lactobacillus gasseri?

It has been proven that Lactobacillus gasseri is transmitted from mothers to children through breastfeeding. Later, it will be possible to conserve this beneficial bacteria by maintaining a healthy diet and adequate hygiene habits. In the following list, we summarize the simplest ways to increase or maintain your L. gasseri levels:

  • Diet: A diet rich in fruit, vegetables, and whole foods will favour the growth of the microbiota.
  • Consumption of fermented foods: Yogurt, kefir, miso, kimchi, and other fermented foods containing probiotic microorganisms. Its consumption will enhance the development of your intestinal flora.
  • Exercise:Exercise is an essential component to any healthy lifestyle. By decreasing our stress levels, it allows the growth of gasseri.
  • Stress management: It is important to manage stress (through meditation, exercise, or therapy) to keep our intestinal flora in good condition.
  • Limit the use of sweeteners: Ingredients such as sucrose or xylitol, present in many food products, can be harmful to our microbiota.
  • Use antibiotics only under medical prescription: Careless use of antibiotics destroys our intestinal flora, promotes the emergence of resistance, and enables the invasion of pathogenic bacteria.

Eating fermented foods like yoghurt encourages growth of lactobacillus gasseri in the intestinal tract.
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If you are constantly under stress or if you have followed an inadequate diet for a long period of time, you may have eliminated all the colonies of Lactobacillus gasseri from your body. In that case, a probiotic can be very useful when it comes to replenishing your intestinal flora.

How to identify a probiotic as Lactobacillus gasseri?

When we talk about a “probiotic,” we refer to a supplement that contains live microorganisms that benefit our body (usually of the genus Lactobacillus or Bifidobacterium). We should not confuse them with “prebiotics,” or inert substances that favour the production of healthy bacteria.

Not all bacteria are meant to be used as probiotics. When a microorganism with potentially beneficial properties for humans is discovered, it will be necessary to ensure that it meets a series of criteria before it can be administered as a probiotic supplement:

  • Safety: The bacteria can not be harmful to humans. It can not cause negative effects.
  • Vitality: A large part of the microorganisms must survive the packaging process.
  • Survival: At least 50% of the bacteria has to survive the action of gastric juices.
  • Stability: Packaged microorganisms must remain alive, as long as the expiration date is not exceeded.
  • Suitable strain: It is not enough to include species of the microorganism, the particular strain with proven benefits should be used. It is recommended to indicate what type or types of strain have been used. For example, L. gasseri BNR17.
  • Scientific evidence: There should be clinical trials with humans that demonstrate the effectiveness of the supplement.
  • Labelling: Product labels must provide readable and comprehensible information about the probiotic.

Lactobacillus gasseri meets these criteria, so you can find probiotic products that contain these live and encapsulated microorganisms. Thanks to its great resistance to gastric acids and heat, they will arrive alive to your gastrointestinal tract, ready to exert its beneficial effect.

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We know that an impaired gut microbiome can be triggered by a number of things. ⁣ ⁣ These include a high-sugar, high-fat, low-fiber diet; impaired immunity; use of drugs, like antibiotics, birth control pills, and estrogen; and psychological stress.⁣ ⁣ Refined grains, and highly processed foods convert to sugar when we eat them and SUGAR is what FEEDS the bad bacteria. Anti-inflammatory medications, acid-blockers and antibiotics have been proven to lower the biodiversity of the gut flora. ⁣ ⁣ In a study published in Clinical microbiology and infection showed that the biodiversity was significantly lower in the participants taking more than one of these medications. ⁣ ⁣ The great news is that the gut microbiome can be healed. ⁣ ⁣ You can start healing your gut by first removing the bad and adding in the good stuff. ⁣ ⁣ Good bacteria love healthy whole, organic, plant-based foods, ones that are high in fiber and nutrients and contain no artificial ingredients. ⁣ ⁣ Focus on fibrous foods such as cruciferous vegetables, berries, garlic, onions, lentils, nuts and seeds, avocado oil, and olive oil. And supplement with probiotics. ⁣ ⁣ #microbiome #sugar #medication #probiotics #prebiotics #gutflora #gutmicrobiome #drmarkhyman #foodismedicine #nutrition⁣ ⁣

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How to take a probiotic with Lactobacillus gasseri?

Each manufacturer is obliged to provide clear instructions on how and when to use their probiotics. However, as a reference, we recommend that you ingest your probiotic half an hour before meals, to take better advantage of its digestive effect and the reduction of lipid absorption.

If you are taking antibiotics, you should distance your treatment as much as possible from your probiotic intake. Try to ingest your Lactobacillus gasseri supplement, at least 2 hours before or two hours after your antibiotic, to prevent the dreaded bactericidal effect in making your probiotic useless.

Not all bacteria are “bad”, there are many bacteria which are beneficial for our health.
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The “dose” of probiotic is measured, in this case, in Colony Forming Units (CFU). This is a measure of the number of cells available in each capsule.  In studies conducted with Lactobacillus gasseri, 1010 CFU (ten billion) were used per capsule.  Six L. gasseri capsules were administered daily, that’s sixty billion cells!

What contradictions do probiotics have with Lactobacillus gasseri?

After administering such high doses of Lactobacillus gasseri without the occurrence of adverse effects, it is possible to state that this probiotic is safe for human consumption. Nevertheless, there are certain people, with special characteristics, who should consult their doctor before using this probiotic:

  • Immunosuppressed people: Immunosuppressed people (such as AIDS sufferers or transplant recipients) have a weakened immune system. In them, this probiotic could trigger unwanted infections.
  • Under the age of 15: Children have a developing immune system which can react unexpectedly to a probiotic. Therefore, it is recommended to consult a specialist before administering this microorganism to children under 15 years old.
  • Pregnant woman and infants: There is insufficient data to confirm the safety of this probiotic in pregnant women and infants. It is therefore advised that these women refrain from consuming this probiotic.

As you can see, with few exceptions, it is safe to use a probiotic containing Lactobacillus gasseri. Some studies reported mild side effects (such as flatulence and upset stomach) that appeared at the beginning of treatment and resolved after a few weeks of continued use of the probiotic.

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Lactobacillus gasseri is a microorganism which lives in symbiosis with the human host. However, if the immune system is out of balance, this bacteria can cause serious infections.

Who can benefit from a probiotic containing Lactobacillus gasseri?

Overweight individuals who have diets rich in refined sugars or sweeteners will benefit most from a supplement containing Lactobacillus gasseri. Yet, this microorganism is useful for treating many other symptoms. Consider using this probiotic (in addition to obesity or being overweight) if you suffer from:

  • Allergies and intolerances
  • Asthma
  • Constipation
  • Diarrhea
  • Helicobacter pylori infection
  • Elevated cholesterol LDL
  • Endometriosis
  • Menstrual pain (dysmenorrea)

Keep in mind that Lactobacillus gasseri is obtained, in many cases, from dairy crops. If you are lactose intolerant, be sure to choose a probiotic free of protein or sugar derived from milk. There exist vegan probiotics too (free of animal products).

How much do probiotics with Lactobacillus gasseri cost?

The price of Lactobacillus gasseri probiotics can vary considerably, ranging from 12 to 25 euros.  There are various factors that affect the cost of the supplement: the prestige of the manufacturer, the quality of the packaging, the addition of other compounds (zinc, magnesium, plant extracts), and the use of exclusive bacterial strains.

Supplements that include other bacterial species (for example, Lactobacillus acidophilus) usually cost more. If one desires to enhance intestinal homeostasis, it is recommended to invest in a supplement with different strains and bacterial species. Thus, we can replenish the intestinal flora in a more balanced way.

Shopping criteria

Finding the probiotic with Lactobacillus gasseri that best suits your needs is not as easy as it may seem. There are a number of factors that you must consider when buying a product that is right for you. With this guide on supplements, we recommend that you pay attention to the following details.

  • Vegan o vegetarian nutrition
  • Allergies and intolerances
  • Bacterial strain
  • Packaging and storage
  • Level of UFC
  • Price-quality ratio

Vegan or vegetarian nutrition

If you are vegan or vegetarian, you should be careful when purchasing a probiotic with Lactobacillus gasseri. Probiotic manufacturers often use milk or its derivatives to “grow” these microorganisms. Choose an item with the vegan quality seal if you want to avoid consuming animal products.

Although your probiotic (consisting of microorganisms and other substances, such as zinc and calcium) does not contain animal products, it may not be suitable for vegans if it is packaged in a gelatine capsule.  Unless the manufacturer indicates otherwise, the coating gelatine contains bovine or porcine collagen.

Gelatin capsules are usually made from collagen from cows or pigs. They are not suitable for vegans.
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Intolerances and allergies

If you are allergic or intolerant to lactose, gluten, fish, seafood, or nuts, carefully read the label of your Lactobacillus gasseri probiotic. If you have any doubts regarding the composition of the product, consult a doctor or pharmacist before using it for the first time.

Bacterial strains

Did you know that there is not one “unique” Lactobacillus gasseri? These bacteria are susceptible to mutations that give them distinctive characteristics.  Experts classify microorganisms with similar properties into groups (strains). In the following table, you can find out about the best-known strains and their functions:

Strain Primary function
BNR17 Loss of weight and adipose tissue
CP2305 Aleviates constipation and diarrhea. Improves sleep quality. Reduces the symptoms of anxiety.
SBT2055 Reduces the waistline. Strengthens immunity.
OLL2809 Relief of menstrual cramps
LBV150 Prevention of vulvovaginal infections (eg. candidiasis)

Any strain of Lactobacillus gasseri will help you strengthen your intestinal flora.  However, if you are looking for a specific effect (such as the reduction of the abdominal perimeter) we suggest that you choose a product that uses a certain strain with proven effects (like the BNR17 or the SBT2055)

Packaging and preservation

Since probiotics contain live cell cultures, you should pay attention to the expiry date of your probiotic.  If more than three months have gone by since that date, you can be sure that all bacteria are inactive.  Ingesting millions of dead Lactobacillus gasseri won’t help you!

A good preservation method will help you maintain the effectiveness of your probiotic for as long as possible.  Although each manufacturer gives specific storage instructions, experts recommend keeping the probiotics in the refrigerator. Low temperatures slow down the death of Lactobacillus gasseri.

Dr. Laurie SteelsmithNaturopath

“Although some brands insist that probiotic supplements can be stored at room temperature, remember that probiotics are made from living organisms. For this reason, they last longer if they are kept in the fridge.”

Amount of CFU

If you do not suffer from any immunodeficiency, it is a good idea to choose a probiotic with a high amount of CFU (10-15 billion). Keep in mind that many of these bacteria will die during the transportation and delivery process.  When packaging a large amount of Lactobacillus gasseri, the loss of effectiveness of the supplement is avoided.

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It is not recommended to take Lactobacillus gasseri with hot tea or coffee. High temperatures can kill the microorganisms!

Value for money

In general, Lactobacillus gasseri packages contain fifteen to thirty capsules.  The effect of probiotic supplementation becomes apparent after one month of treatment, so we advise you to opt for products that contain about thirty capsules per pack. In the long run, they will be cheaper.

Considering that these supplements lose their effect as time goes by, we do not advise you to buy “discount” packages with more than thirty capsules.  If after a month of treatment, you continue to suffer from abdominal discomfort and difficulty losing weight, ask for an appointment with your doctor to rule out other diseases of greater severity.

Karine ClementClinical nutritionist

“In certain populations in the United States, the impoverishment of the intestinal microbiota starts very early, before three years of age.”

Summary

Lactobacillus gasseri is a bacteria which makes up a part of the intestinal flora in healthy people. This microorganism guards against infections, fosters the immune system and encourages digestion. It also promotes weight loss in people with elevated IMC. Adding this probiotic to your diet can help you shed more kilos.

Don’t forget that probiotics are living organisms, that need careful storage to keep them alive. However, their many benefits more than make this worthwhile. We hope that you’ve found the information in this article useful to let you get the most out of Lactobacillus gasseri.

If you have found this information on Lactobacillus gasseri useful please share and comment!

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