Your brain and gut constantly communicate with each other through the gut-brain axis, a comprehensive network that encompasses nerves, hormones, and biochemical messengers. One of the major players? The vagus nerve. This nerve sends signals back and forth from the gut to the brain to assist in their communication.
This simply means that your gut health has an impact on your thoughts and emotions. For example, you might have experienced acidity or acid reflux (GERD), which can cause more vivid or disturbing dreams. If your gut is out of balance, you may experience mental health issues, like brain fog, mood swings, anxiety, or depression.
Understanding Microbiome and Mood Swings
So, what exactly is the microbiome? There are trillions of microbes in your gut, collectively referred to as your microbiome. These gut bacteria help your body produce hormones like serotonin, dopamine, and GABA, which play an important role in balancing your moods.
Research also shows that 90% of the serotonin—the feel-good hormone, is produced in your gut—not in your brain. Simply put, if your gut microbiome is disturbed, your mood may suffer.
It implies that a healthy gut = a happier brain.
Gut Inflammation and Mental Health
Gut inflammation is a condition in which the lining of your digestive tract becomes irritated or swollen. When your gut is damaged, it allows toxins and undigested food particles to leak and enter your bloodstream, affecting your mood, sometimes causing anxiety and depression.
Studies have also shown that there is a strong connection between gut inflammation and mental health disorders, making gut care more important than ever.
The Role of a Healthy Diet in Gut and Brain Health
Your dietary choices have a significant impact on your gut and brain health. And supporting your gut health does not require a pharmacy of pills. So, what should you do? Start with your plate and eat a gut-friendly diet, such as:
- Fiber-rich foods like oats, bananas, and leafy greens.
- Fermented foods like yogurt, kimchi, and kefir.
- Green tea or berries that are rich in gut-loving polyphenols.
These foods help nourish the good bacteria in your gut, promoting the production of natural mood-boosting compounds in your body.
Pro Tip: Drink adequate water and get a healthy amount of sleep. Additionally, reduce consumption of refined sugar, ultra-processed snacks, and alcohol.
Essential Nutrients for Gut Health
In addition to a balanced diet, a healthy gut also requires a sufficient supply of essential nutrients, including vitamins and minerals. These nutrients nourish the digestive system and support your microbiome.
Some of the best gut-supporting nutrients include:
- Vitamin A – Helps maintain the gut lining and immunity.
- Vitamin C – Reduces inflammation and supports gut healing due to its antioxidant properties.
- Vitamin D – Supports gut immunity and reduces inflammation.
- Zinc – Repairs gut lining.
- Magnesium – Promotes smooth muscle movement and regulates digestion.
- B vitamins – Aid in energy metabolism, which strengthens the gut-brain connection.
That is why many people choose a daily vitamin that provides all essential vitamins and minerals. One such option is ACTIVIT, available at iamactivit.com, which provides all essential bioavailable nutrients—such as vitamins A, D, C, B-complex, zinc, and magnesium—that not only support sustained energy levels but also help maintain a healthy, balanced gut environment.
Probiotics for Mental Health—Natural Antidepressants
Not all bacteria are bad. In fact, certain bacterial strains are shown to reduce symptoms of stress, anxiety and depression. The psychobiotics or probiotics that benefit your mental health are:
- Lactobacillus rhamnosus – This beneficial bacteria is commonly found in yogurt, fermented foods like kimchi and sauerkraut, and even sourdough bread. Studies suggest it may help reduce anxiety by supporting the gut-brain connection and promoting a more balanced stress response.
- Bifidobacterium longum – Naturally found in the human gut and in fermented foods, this probiotic has been linked to a better mood and reduced cortisol levels, the hormone associated with stress. It may help calm the nervous system and support emotional balance through a healthier gut environment.
- Lactibacillus helveticus – Found in fermented dairy products like certain cheeses and yogurt, this probiotic strain has shown potential to reduce stress responses by influencing the gut-brain axis. It may help ease tension and support mental clarity when taken regularly.
Gut and Mental Health for Teens and Children
Kids and teens are more vulnerable to anxiety and depression due to their developing brains, hormonal changes, academic and social pressures, and often poor dietary habits.
Parents can support their mental health by:
- Encouraging to eat whole, colorful foods
- Offering natural probiotics like yogurt
- Avoiding overuse of antibiotics
- Promoting outdoor activities (exposure to diverse microbes)
A healthy gut in youth may build emotional resilience for life.
To Sum Up
Your gut health plays a powerful role in shaping your mood, mental clarity, and emotional balance. Taking care of your gut through the right foods, nutrients, and probiotics can be a simple yet effective step toward better mental wellness.