Nutrition & Mental Health: Why our Basic Needs Matter More Than We Think

ByViviane Rhayem - Accredited Practicing Dietitian and Eating Disorder Credentialed Dietitian

Nutrition & Mental Health: Why Our Basic Needs Matter More Than We Think

The pyramid of Maslow has fascinated me for years. Not because it is a perfect model—no model ever is—but because it reminds us that our capacity to think, connect, and grow is deeply influenced by whether our basic needs are being met.

In my work, I often return to this simple but powerful principle. How can someone be expected to move forward in recovery when their basic needs aren’t being met ? Safety, nourishment, rest, and stability sit at the base of the pyramid for a reason. They are not “nice to have”; These fundamental needs provide an important foundation for emotional regulation, cognitive functioning, resilience, and the capacity to pursue personal growth.

Nourishment as the Base of the Pyramid

Food is much more than fuel—it provides the building blocks the brain and body need to function, adapt, and recover. Consistent, adequate nourishment supports energy production, neurotransmitter synthesis, emotional regulation, cognitive function, and tissue repair. When nutrition is inadequate, the body shifts into a state of metabolic adaptation, prioritising survival over processes such as learning, motivation, and recovery.

This is where the brain–gut axis becomes especially relevant. the brain–gut axis is a complex, bidirectional communication network linking the gastrointestinal tract and the central nervous system through neural, hormonal, immune, and metabolic pathways. Inadequate nutrition can disrupt this communication, contributing to changes in mood, heightened anxiety, impaired concentration, and reduced resilience to stress. Restoring consistent and adequate nourishment helps support this vital system, creating the biological conditions needed for both physical and psychological recovery.

Nourishing Your Brain for Better Mental Wellbeing

Your brain relies on a steady supply of nutrients to think clearly, regulate emotions, manage stress, and support recovery. Consistent, balanced nutrition provides the energy and building blocks needed for healthy brain function and communication.

Key nutrients that support brain health include:

• Carbohydrates – the brain's preferred source of energy.

• Protein – provides the amino acids needed to produce neurotransmitters involved in mood, motivation, and concentration.

• Healthy fats, including omega-3s – support brain structure, cell communication, and cognitive function.

• Vitamins and minerals, such as B vitamins, iron, zinc, iodine, magnesium, and vitamin D – help support energy production, nervous system function, cognition, and healthy neurochemical processes.

While no single nutrient determines mental wellbeing, the combination of regular, adequate nourishment creates the biological foundation for your brain to function at its best.

My Philosophy: Empowerment Through Evidence, Not Overwhelm

We live in a fast-pace world that is filled with nutrition advice, yet knowing what to do is often very different from knowing how to do it. My approach is to bridge that gap by combining evidence-based nutrition with practical, personalised strategies that fit your life.

I believe lasting change comes from keeping things simple, compassionate, and realistic. Together, we'll focus on small, achievable steps that respect your lived experience, neurotype, culture, and individual goals.

When the body is consistently nourished, it creates the foundation for the brain to function at its best—supporting emotional wellbeing, resilience, recovery, and the ability to thrive. 

To find out more reach out to us on (02) 9555 4810 or email info@treatyourselfwell.com.au 💛