Can you believe that some healthcare practitioners—often even specialists—still don’t fully understand the causes of fatigue?

Even more concerning, many professionals and members of the public continue to dismiss legitimate fatigue-related conditions such as Chronic Fatigue Syndrome (CFS) and fibromyalgia. These outdated and dismissive views have no place in modern medicine.

The Missing Link: Mitochondria and Energy Production

Thanks to growing research into mitochondrial health, we are finally beginning to understand the vital role mitochondria play in energy production.

Mitochondria, often referred to as the powerhouses of our cells, generate adenosine triphosphate (ATP)—the body’s main energy source. When these tiny organelles become dysfunctional, ATP production drops, leading to symptoms like chronic fatigue, brain fog, and physical exhaustion.

This cellular dysfunction is often at the core of persistent fatigue and low energy.

You see, our mitochondria, often known as the powerhouses of our cells, are tiny organelles found throughout the body that produce adenosine triphosphate, or ATP.

ATP is the energy currency of our cell, and it is when dysfunction sets in that our body ceases to produce the energy required to sustain us. Therein begins the chronic fatigue process.

It is when we can truly identify the true causes behind the dysfunction of our mitochondria that we can truly shift towards bringing them back to a place where they perform optimally and provide us with the energy we need.

Equally important is recognising the role of lifestyle and environmental factors that contribute to this breakdown. Poor nutrition, ongoing stress, environmental toxins, lack of sleep, and inactivity all put pressure on our cells. Over time, these factors reduce the body’s ability to repair itself and produce energy efficiently.

This is why addressing fatigue requires a comprehensive, root-cause approach. Supporting mitochondrial health through nutrient-dense food, targeted supplementation, gentle movement, and stress-reduction techniques is not just helpful—it’s essential.

It’s time for healthcare providers to listen to their patients. Fatigue is real—and deserves to be taken seriously.

Dismissing it as psychological delays healing and undermines trust between practitioner and patient.

By focusing on mitochondrial health and the biological roots of fatigue, we move beyond symptom suppression.

This shift empowers real recovery—and helps bring energy back to those who need it most.

You can find other ME/CFS related blogs here.