You've probably heard "gut-brain connection" somewhere. A podcast, a headline, a friend who just discovered probiotics. It gets thrown around a lot. Rarely does anyone actually explain what it means.
So let's explain it.
Your gut is doing more than digesting
Somewhere along the way, your gut picked up a nickname: the second brain. That's not just a catchy phrase.
Your digestive tract has its own nervous system, called the enteric nervous system, built from hundreds of millions of neurons. That's more than your spinal cord has. It's not thinking thoughts the way your brain does. But it's constantly sending signals, and your brain is constantly listening.
The two are connected through the vagus nerve, a direct line running between gut and brain. Information travels both ways. Stress in your head can upset your stomach. And what happens in your gut can affect what's going on upstairs, too.
Where serotonin actually comes from
This is where it gets interesting.
Serotonin usually gets talked about as a brain chemical, the one tied to mood and wellbeing. But roughly 90 percent of your body's serotonin isn't made in your brain at all. It's made in your gut.
That doesn't mean gut serotonin and mood are simply the same thing. The relationship is messier than a one-to-one swap. Still, your gut plays a much bigger role in that system than most people realize.
What throws the balance off
Your gut is home to trillions of bacteria, collectively called your microbiome. Some are helpful. Others can become a problem when the balance is off.
A few common things tip that balance: poor sleep, chronic stress, a diet low in fiber and variety, certain medications. When things are off, it doesn't just show up as bloating or discomfort. Research has linked gut imbalances to changes in mood, anxiety, even cognitive fog.
Stress affects your gut. Your gut affects your brain.
What actually helps
There's a lot more to mood than what's happening in your digestive system. But taking care of your gut is one practical place to start.
Fiber-rich foods feed the good bacteria already living in your microbiome. Fermented foods like yogurt, kimchi, and sauerkraut can help add beneficial bacteria to your diet. Sleep and stress management matter here too, since the gut-brain line runs in both directions.
Turkey Tail is interesting here, too. It's one of the mushrooms in our blend, and it contains polysaccharides that act as prebiotics, feeding the good bacteria already in your system.
It's not a fix on its own. It's one piece of a bigger picture that includes food, sleep, and how you handle stress.
We’ve had thousands of customers whose digestion, mood and sleep problems have been tremendously improved by using 5 Mushroom POWER. It’s the combination of all 5 mushrooms in our blend that helps the whole body including the gut through Turkey Tail.
The short version
Your gut isn't just digesting your lunch. It's in constant conversation with your brain. Scientists are still working out exactly how much that conversation shapes the rest of you.
Curious what supports that system?
Turkey Tail is one of five mushrooms in our blend, alongside Cordyceps, Lion's Mane, Reishi, and Chaga.
SHOP THE BLEND →
References:
- Carabotti M, et al. (2015). The gut-brain axis: interactions between enteric microbiota, central and enteric nervous systems. Annals of Gastroenterology. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4367209/
- Harvard Health Publishing. (2021). The gut-brain connection. Harvard Medical School. https://www.health.harvard.edu/diseases-and-conditions/the-gut-brain-connection
- Yano JM, et al. (2015). Indigenous bacteria from the gut microbiota regulate host serotonin biosynthesis. Cell. https://pubmed.ncbi.nlm.nih.gov/25860609/
- Cleveland Clinic. (2022). Gut microbiome and mental health. Health Essentials. https://health.clevelandclinic.org/gut-microbiome-and-mental-health
- Pallav K, et al. (2014). Effects of polysaccharopeptide from Trametes versicolor on gut microbiota. Gut Microbes. https://pubmed.ncbi.nlm.nih.gov/25006989/