Feeling overwhelmed by stress?
When stress is in control, you may:
- Have trouble sleeping
- Feel anxious and worried
- Gain or lose weight for no obvious reason
- Struggle to think clearly or remember things
- Suffer from gastrointestinal (GI) distress
That’s right, feeling stress can take a toll on your gut. And there’s a very good reason for that.
Stress disrupts your gut microbiome (the trillions of bacteria in your gut) by harming beneficial bacteria so bad (pathogenic) bacteria can take over – a condition called dysbiosis.
When your gut is in dysbiosis, it tampers with your body’s stress responses, making it harder for you to calm down.
That extra stress causes even more dysbiosis, which disrupts the normal stress response even more, which leads to more stress…
That stress-gut cycle can run endlessly unless you take action to stop it. To break that cycle and get control of your stress levels, you need to rebalance your gut microbiome.
Quick Answer: Stress and your gut feed each other in a loop. Stress can knock your gut microbiome out of balance (a state called dysbiosis), and an imbalanced gut sends signals that make it harder to calm down, which creates more stress and more imbalance. A key driver is "toxic streaming," where harmful bacteria produce LPS toxins that weaken the gut barrier and slip into the bloodstream, raising cortisol and feelings of anxiety. To break the cycle, rebalance your gut microbiome. Spore-based probiotics help control harmful bacteria and support a diverse, balanced microbiome, which supports a healthier stress response.
How Are Stress and Your Gut Connected?
Your gut and brain communicate constantly over the gut-brain axis, in both directions. When your gut is balanced it sends positive signals and makes feel-good neurotransmitters, but when it is in dysbiosis the messages get garbled and stress builds.
Stress runs on a never-ending feedback loop between your brain and your gut.
The two communicate constantly over the gut-brain axis (GBA), and that communication runs both ways. Your gut microbiome has a huge influence on the GBA.
When your gut is in healthy balance, it sends positive messages and essential nutrients to your brain, and creates important “feel-good” neurotransmitters (chemicals that affect brain activity) like serotonin and GABA (Gamma Aminobutyric Acid).
But when your gut is in dysbiosis, the messages get garbled, and bad bacteria set off system-wide problems including:
- Inflammation (even in your brain)
- Reduced production of feel-good neurotransmitters
- Constantly high cortisol (stress hormone) levels
All of those spring from a common problem known as toxic streaming, and it can negatively affect your stress response, making you feel sick, stressed, depressed, and anxious.

What Is Toxic Streaming and How Does It Affect Stress?
Toxic streaming happens when harmful gut bacteria produce LPS toxins that weaken the gut barrier and leak into the bloodstream. Those toxins raise cortisol and inflammatory compounds, which can drive feelings of anxiety and keep the stress cycle going.
Doctors don’t talk much about toxic streaming, but it’s probably making you feel stressed-out right now… even if there’s nothing stressful happening at the moment.
Toxic streaming starts with dysbiosis, when bad bacteria outnumber good bacteria in the gut microbiome. Those bad bacteria create toxins called lipopolysaccharides, or LPS toxins. In a healthy gut, LPS toxins get neutralized before they cause harm
In dysbiosis, LPS toxins can overwhelm your system and attack the protective barrier inside the gut. That barrier normally keeps food particles, bad bacteria, and toxins safely inside the gut. But when LPS toxins weaken the barrier, they can escape and enter your bloodstream. That’s how toxic streaming starts, and it only gets worse if left unchecked.
Toxic streaming starts taking a toll on stress levels right away. One clinical study found that injecting LPS toxins into healthy people set off feelings of anxiety by immediately releasing inflammatory compounds and increasing cortisol levels. And that was after just a single dose of LPS toxins… so you can imagine how you might feel if they were circulating all the time.
And stress itself can trigger toxic streaming. In a studyof active-duty military personnel, researchers found that high stress situations increased gut dysbiosis and weakened the gut barrier, exactly the conditions that set off toxic streaming.
High stress levels increase LPS toxin production and toxic streaming. Toxic streaming increases stress levels. And you’re stuck in a constant stress feedback loop. Unless you stop it with some clinically proven gut support.
Frequently Asked Questions About Stress and Gut Health
How does stress affect the gut?
Stress can disrupt the gut microbiome by harming beneficial bacteria and letting harmful bacteria take over, a state called dysbiosis. That imbalance changes the signals sent between the gut and brain and can make stress harder to shake.
What is the gut-brain axis?
The gut-brain axis is the two-way communication network between your gut microbiome and your brain. A balanced gut sends positive signals and helps produce neurotransmitters like serotonin and GABA, while an imbalanced gut can disrupt your stress response.
What are LPS toxins?
LPS (lipopolysaccharide) toxins are compounds released by harmful bacteria. In a balanced gut they are neutralized, but in dysbiosis they can weaken the gut barrier and enter the bloodstream, raising cortisol and contributing to feelings of stress.
Can probiotics help with stress?
Probiotics do not stop stressful events, but by rebalancing the gut microbiome they can support a healthier stress response. Spore-based probiotics in particular help control harmful bacteria and promote a diverse population of beneficial bacteria.
How do I break the stress-gut cycle?
The most direct step is to rebalance your gut microbiome so it stops sending stress-amplifying signals. Supporting the gut with spore-based probiotics, along with good sleep and a balanced diet, helps interrupt the loop.
Break the Stress Cycle with a Balanced Microbiome
Rebalancing your gut microbiome with spore probiotics won’t stop stressful things from happening, but it will help your body respond to those stressors in a healthier way. Spore probiotics counteract dysbiosis by controlling bad bacteria and promoting a wide variety of beneficial bacteria.
But to really stop toxic streaming, you need Just Thrive Probiotic.
Just Thrive Probiotic contains the specific strains of spore probiotics that have been proven to reduce LPS toxins by 42% in a clinical trial. And wiping out LPS toxins can help drive a healthy stress response, so you can finally relax.
Let Just Thrive Probiotic replenish your microbiome with beneficial bacteria to get toxic streaming under control… and your stress response back on track.