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Eating Better To Increase Your Mental Health

  • Writer: Tony Aitchison
    Tony Aitchison
  • Oct 28
  • 4 min read

In today’s fast-paced world, mental health challenges like anxiety, depression, and fatigue are more common than ever. While therapy, exercise, and good sleep are well-known contributors to better mental health, one of the most powerful — and often overlooked — tools is nutrition. The food you eat doesn’t just affect your physical health; it plays a crucial role in how you think, feel, and function.


Your brain is a hungry organ. It uses up to 20% of your daily energy intake, relying on a steady supply of nutrients to perform at its best. When you nourish your body with the right foods, you also fuel your emotional stability, mental clarity, and overall mood.


Let’s explore how eating better can boost your mental health, why low blood pressure and binge eating can make things worse, and how small changes in your diet can help you feel calmer, more focused, and more balanced.


how nutritional food can help enhance your health

The Connection Between Nutrition and Mental Health

The relationship between food and mood is well established. The nutrients you consume directly impact neurotransmitters — chemicals in your brain like serotonin, dopamine, and GABA that regulate emotions, motivation, and relaxation.


  • Serotonin, often called the “happy hormone,” is made from tryptophan, an amino acid found in foods like turkey, eggs, nuts, and seeds.

  • Dopamine and norepinephrine, linked to focus and drive, are produced from tyrosine, found in protein-rich foods like chicken, fish, and legumes.

  • Omega-3 fatty acids, found in salmon, chia seeds, and flaxseed, help improve communication between brain cells and reduce inflammation linked to depression.


A balanced diet rich in whole foods helps maintain these vital brain chemicals, stabilizing mood and enhancing mental resilience.


The Hidden Role of Blood Sugar and Blood Pressure

One of the most common yet underappreciated factors affecting mood is unstable blood sugar and low blood pressure.


Low Blood Pressure and Mental Health

Low blood pressure (hypotension) may sound like a good thing — especially compared to high blood pressure — but when it’s too low, it can lead to fatigue, dizziness, and poor concentration. These physical symptoms can mimic or worsen anxiety and depression.


When blood pressure drops, the brain receives less oxygen and glucose, its main sources of fuel. As a result, you might feel lightheaded, mentally foggy, or emotionally flat.


To help stabilize blood pressure and support your brain:

  • Stay hydrated — dehydration is a major cause of low blood pressure.

  • Eat balanced meals — include complex carbohydrates, lean protein, and healthy fats to maintain steady energy.

  • Add a pinch of sea salt if your doctor recommends it; sodium helps regulate blood pressure.

  • Avoid skipping meals, as it can cause sudden drops in blood sugar and worsen fatigue or irritability.


By keeping your blood pressure and glucose levels balanced, you provide your brain with the consistent energy it needs for stable mood and clear thinking.


The Dangers of Binge Eating on Mental Health

Many people turn to food for comfort during times of stress — and while it may provide temporary relief, binge eating can have serious long-term effects on both your physical and mental health.


Binge eating often involves consuming large amounts of high-sugar, high-fat foods in a short period, followed by feelings of guilt or shame. This creates a vicious cycle of emotional distress and poor self-esteem.


Here’s how binge eating affects mental health:

  • Blood sugar spikes and crashes: After a binge, your blood sugar skyrockets, giving you a burst of energy and dopamine — the “reward” hormone. But when your levels crash, you feel tired, anxious, or irritable.

  • Hormonal imbalance: Overeating ultra-processed foods disrupts insulin and cortisol (the stress hormone), increasing inflammation and emotional instability.

  • Guilt and shame: Many people feel out of control after a binge, leading to self-criticism and even depressive symptoms.

  • Brain chemistry changes: Regular binge eating can desensitize the brain’s reward system, making it harder to experience pleasure from normal, healthy foods or activities.


If binge eating is something you struggle with, it’s important to know it’s not a lack of willpower — it’s often a biological and emotional response to stress or restriction. Practicing mindful eating, managing stress, and seeking professional guidance can help you regain balance.


7 Nutrition Tips to Improve Mental Health

You don’t have to overhaul your diet overnight to feel better — small, consistent changes can make a big difference.


1. Eat Regular, Balanced Meals

Skipping meals can lead to low blood sugar, mood swings, and poor focus. Aim to eat every 3–4 hours to keep your energy stable.


2. Choose Whole, Nutrient-Dense Foods

Fill your plate with whole grains, lean proteins, fruits, vegetables, nuts, and seeds. These foods provide essential vitamins and minerals that support brain health.


3. Include Omega-3 Fatty Acids

Omega-3s reduce inflammation and improve communication between brain cells. Add fatty fish, chia seeds, or flaxseed oil to your diet several times a week.


4. Limit Processed Foods and Sugar

Highly processed foods can cause blood sugar spikes and inflammation that worsen mood disorders. Swap sugary snacks for fruits or yogurt, and replace refined carbs with whole grains.


5. Stay Hydrated

Dehydration can cause fatigue, headaches, and irritability. Drink water throughout the day and include hydrating foods like cucumbers, oranges, and leafy greens.


6. Practice Mindful Eating

Slow down, savor your meals, and pay attention to hunger and fullness cues. Mindful eating helps prevent overeating and builds a healthier relationship with food.


7. Manage Stress Through Lifestyle Habits

Stress often triggers unhealthy eating patterns. Incorporate stress-management techniques such as deep breathing, yoga, walking, or journaling. Lowering stress helps regulate appetite, hormones, and mood.


Last thoughts: Your mental health is deeply connected to what you eat — and how you eat. A diet that balances nutrients, stabilizes blood pressure, and avoids extremes like binge eating provides the foundation for emotional stability and clarity.


By nourishing your body with wholesome foods, staying hydrated, and managing stress, you create a positive feedback loop: your brain functions better, your mood improves, and your desire for healthy choices grows stronger.


Remember, eating better isn’t about perfection — it’s about consistency, balance, and self-care. When you feed your body well, your mind will follow.

Enjoyed our post? If so, get in contact with us as we would love to hear your thoughts or pop into our Adelaide location.


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