Many people notice changes in mood as the weather cools — lower motivation, reduced energy, and a general sense of feeling “flat.” While this can be influenced by external factors, there are also physiological changes happening within the body.

Reduced sunlight exposure can impact serotonin levels — a neurotransmitter involved in mood regulation. At the same time, shorter days can influence your circadian rhythm, affecting sleep and energy levels.

These changes can have a flow-on effect, influencing how you feel day to day.

Nutrition plays a key role in supporting mood.

Stable blood sugar levels are essential. When blood sugar fluctuates, it can lead to irritability, fatigue and mood swings. Regular, balanced meals that include protein, healthy fats and fibre can help maintain more consistent energy and mood.

Certain nutrients are particularly important for mental wellbeing:

• Omega-3 fatty acids (support brain health)
• B vitamins (support energy and stress response)
• Magnesium (supports relaxation and nervous system function)

Gut health is also closely linked to mood. The gut produces a significant portion of serotonin, and imbalances in gut health can impact how you feel.

Supporting digestion through whole foods, fibre and balanced nutrition can have a positive effect on mood over time.

Movement is another important factor. Even gentle exercise can help boost mood by supporting circulation and releasing endorphins.

Getting outside during daylight hours, even when it’s cooler, can also support circadian rhythm and mental wellbeing.

Sleep is often impacted during colder months. Prioritising consistent sleep patterns can help regulate mood and energy.

Importantly, mood changes are not something to push through or ignore. They’re a signal that your body may need additional support.

We can offer personalised approach to help identify specific factors contributing to mood changes and provide targeted strategies to improve overall your wellbeing.