Vous possédez un compte ?
Connectez-vous pour payer plus vite.
Chargement en cours...
mai 2024
juin 2024
Découvre pourquoi tu devrais commencer ton aventure probiotiques avec Bio-K+.
Nos formules scientifiquement étudiées sont conçues pour soutenir votre parcours unique de bien-être
The gut and brain communicate continuously via the gut-brain axis. This page outlines confirmed mechanisms and current research. Probiotics are not a recognized treatment for mental health conditions in Canada.
The gut-brain axis is the two-way communication network connecting the gastrointestinal tract and the central nervous system. Neural signals travel in both directions, from the brain to the gut and vice versa. The vagus nerve is one of the primary physical pathways, running from the brainstem to the abdominal organs. The trillions of bacteria in the gut, collectively known as the gut microbiome, play a significant role in the signals exchanged along this axis.
The gastrointestinal tract contains an independent neural network, the enteric nervous system, with approximately 200 to 600 million neurons embedded in the gut lining (PMC10410452). It regulates digestion and gut motility largely without direct input from the brain. The enteric nervous system communicates constantly with the central nervous system through the vagus nerve and chemical signals carried in the bloodstream. Researchers refer to this network as the "second brain" because of its scale and relative autonomy.
Three primary communication pathways are confirmed in published research: neural signaling via the vagus nerve, involvement in the production of neurotransmitter precursors, and regulation of immune signaling molecules called cytokines. The HPA axis is a key stress-response pathway; research shows gut microbiota influence its activity and sensitivity to stressors. Certain gut bacteria, including Lactobacillus and Bifidobacterium strains, are involved in GABA-related activity. These are mechanisms under active investigation, not certainties.
Approximately 90 to 95% of the body's serotonin is produced in the gastrointestinal tract by specialized cells in the gut lining. This serotonin primarily regulates gut motility and signals via the vagus nerve; it does not cross the blood-brain barrier as centrally produced serotonin does. Gut bacteria influence how tryptophan, the dietary precursor to serotonin, is metabolized and made available. This does not imply that taking a probiotic will raise serotonin levels in any individual.
Research has observed lower microbial diversity in individuals experiencing anxiety across multiple studies. Gut dysbiosis can compromise gut lining integrity, and increased intestinal permeability has been linked to heightened stress-related signaling. Psychological stress can also increase intestinal permeability, suggesting a bidirectional relationship. Approximately 50% of people with IBS also experience anxiety or depression (Lee and Kim, 2021). IBS is classified as a disorder of gut-brain interaction.
A diet rich in vegetables, legumes, whole grains, and fruit supports microbial diversity. Fermented foods with live cultures, such as yogurt, kefir, and sauerkraut, contribute to gut flora. Moderate exercise and consistent sleep are both associated with greater microbiome diversity. Bio-K+ Daily Care+ capsules contain 25 billion live and active bacteria, guaranteed until expiry, contributing to healthy digestive and gut flora health. No anxiety, mood, or nervous system claim is made.
A quality probiotic lists the strain name: genus, species, and alphanumeric code, matchable to published research. Generic "Lactobacillus blend" labels are insufficient. Potency should be guaranteed until best-before or expiry date, not at manufacture. Most gut-brain studies used multi-strain Lactobacillus and Bifidobacterium combinations. Bio-K+ contains Lacticaseibacillus casei LBC80R®, Lacticaseibacillus rhamnosus CLR2®, and Lactobacillus acidophilus CL1285®—more than 30 years of research behind each formula. No anxiety, GABA, or mood claim is made.
The gut-brain axis is the two-way communication network linking the digestive system and the brain through neural, hormonal, and immune signals. The vagus nerve is one of the main physical pathways in this network. The gut microbiome, the community of bacteria living in the gastrointestinal tract, influences the signals exchanged along this axis. It is a well-established area of research with growing evidence of its significance for overall health.
Approximately 90 to 95% of the body's serotonin is produced in the gut by specialized cells in the gut lining. This serotonin primarily regulates gut motility and contributes to signaling through the vagus nerve. It does not cross the blood-brain barrier. Gut bacteria influence how tryptophan, the dietary precursor to serotonin, is metabolized. This is established gut biology. It does not mean that taking a probiotic will raise serotonin levels in the brain.
Psychobiotics is the term researchers use for probiotics studied for their interaction with the gut-brain axis. The term was introduced in the scientific literature in 2013, and the research field has grown considerably since then. Most research has focused on strains from the Lactobacillus and Bifidobacterium genera. No Health Canada-authorized psychobiotic claim exists for any probiotic product sold in Canada. Psychobiotics is a research category, not a regulated product designation.
IBS is classified in research as a disorder of gut-brain interaction. Research has found that approximately 50% of people with IBS also experience anxiety or depression, confirming the bidirectional relationship between gut dysfunction and mood-related signaling. Psychological stress can worsen gut symptoms, and gut dysfunction can, in turn, influence brain signaling.
Eat a varied, fiber-rich diet including vegetables, legumes, whole grains, and fruit. Include fermented foods with live cultures such as yogurt, kefir, or sauerkraut. Exercise regularly, as moderate physical activity is associated with greater gut microbiome diversity. Prioritize consistent sleep, since poor sleep is linked to changes in gut microbiome composition. Consider a daily probiotic that contributes to intestinal flora health, with full strain transparency and potency guaranteed until expiry.
Suis @biokplus et tague-nous pour être mentionné.e.
