22/08/2025
Have you ever noticed that when your digestion feels “off,” your mood often does too? That’s no coincidence. Science now shows that the gut and brain are deeply connected through what’s called the gut-brain axis.
In fact, around 90% of your serotonin — your “happy hormone” — is produced in the gut, not the brain (Gershon, 1998; Yano et al., 2015). When the gut is inflamed, imbalanced, or overloaded with the wrong foods, it can directly impact how you feel emotionally.
Here are 5 common signs your gut health could be affecting your mood:
1️⃣ Frequent anxiety or low mood → The gut produces neurotransmitters like serotonin, dopamine, and GABA. When the gut is out of balance, mood regulation suffers (Strandwitz, 2018).
2️⃣ Brain fog & poor focus → If your gut lining is inflamed, toxins and undigested food particles can leak into the bloodstream (“leaky gut”), affecting cognitive clarity (Foster & McVey Neufeld, 2013).
3️⃣ Food cravings, especially sugar → Imbalanced gut bacteria often “ask” for more sugar, which leads to blood sugar spikes and emotional crashes (Alcock, Maley & Aktipis, 2014).
4️⃣ Poor sleep → A healthy gut produces melatonin precursors, which influence sleep. An unhealthy gut can contribute to insomnia or restless nights (Benedict, Vogel & Cedernaes, 2012).
5️⃣ Digestive discomfort (bloating, gas, irregular stools) → This is your gut’s way of waving a red flag that something isn’t working right — and it often goes hand in hand with mood imbalances (Mayer, 2011).
👉 The bottom line: A healthy gut = a healthier mind.�If you’ve been struggling with anxiety, depression, ADHD symptoms, or mood swings, don’t just look at the brain. Look at the gut too.
✨ Remember: every small step you take toward better gut health… eating whole foods, reducing processed sugar, drinking filtered water, belly breathing and gazing at the sunrise and sunset… all support your gut and mental health.
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