Understanding Mitochondrial Dysfunction in Autism.
- Amanda Downsborough, BSc, PGDip, GCert, MSc, ACAAM,

- Feb 11
- 3 min read
Updated: Oct 17

Shaped a lot like jellybeans, mitochondria are extraordinary powerhouses within our cells
and are responsible for generating the energy (ATP) essential for life itself. These
remarkable structures, which originated from ancient bacteria, are passed down
exclusively from mothers and form the very foundation of our cellular health.
The Crucial Importance of Mitochondrial Function
How critical are mitochondria? They produce over 90% of the energy our cells require to
function, thrive, and heal. Every moment, from clear thinking, emotional balance, and
digestion, to immunity, hormone balance, and physical activity, is profoundly dependent
on healthy mitochondrial function. The brain, consuming vast amounts of energy, relies
heavily on mitochondria to build neural connections, support cognitive processes, mood
stability, and overall neurological health. Healthy mitochondria are not merely beneficial— they are essential for life. Any decline in mitochondrial health drastically impacts overall wellbeing, leaving the body vulnerable and less able to cope with life's daily stresses and demands. They do sound rather important!
Significant Causes of Mitochondrial Dysfunction
When mitochondria are compromised, they can no longer adequately meet the body's
energy demands, leading to widespread cellular dysfunction. Several factors can severely damage mitochondrial health:
Viruses and Bacteria: Infections place stress on mitochondria, reducing their efficiency and functionality.
Heavy Metals: Mercury, lead, arsenic, cadmium, and aluminium exposure can devastate mitochondrial health, reducing their capacity to produce vital energy.
Pollution: Diesel exhaust and environmental pollutants create inflammation and disrupt mitochondrial integrity, leading to chronic illness.
Chemical and Biological Stressors: Harmful substances like propionic acid from gut
bacteria (especially clostridia), certain medications, and lack of oxygen (hypoxia) severely impair mitochondrial performance.
Oxidative Stress: Excess free radicals and insufficient antioxidants, particularly
glutathione, critically harm mitochondria, limiting their ability to produce essential energy.
The Connection to Autism
Astoundingly, studies reveal that approximately one-third of children diagnosed with
autism spectrum disorder (ASD) exhibit mitochondrial dysfunction, directly correlating
with more severe autism symptoms and related health conditions:
• Developmental regression (loss of previously learned skills): 52%
• Seizures: 41%
• Motor developmental delays: 51%
• Gastrointestinal problems: 74%
The more severe the autism, the more crucial it becomes to actively support
mitochondrial health.
Effective Strategies for Supporting Mitochondrial Health
Empowering mitochondria involves targeted nutritional and environmental interventions to ensure they operate at peak efficiency:
Essential Nutrients: Supplements such as carnitine and ubiquinol (Coenzyme Q10)
significantly enhance mitochondrial energy output, thereby reducing autism-related
symptoms and improving overall health.
Optimal Hydration: As mitochondria membranes contain approximately 30% of our
body’s water, drinking clean, uncontaminated water becomes critically important for
mitochondrial and cellular health.
High-Quality Nutrition: Consuming nutrient-dense foods ensures mitochondria have the necessary substrates and cofactors to function optimally, directly benefiting cognitive, immune, and physical health.
Nature and Sunlight: Essential Energy Boosters
Remarkably, mitochondria possess phosphorescent properties, enabling them to harness sunlight for additional energy production. Regular exposure to natural sunlight and time in nature profoundly benefits mitochondrial health:
Sunlight: Enhances mitochondrial efficiency, stabilises mood, regulates sleep cycles,
supports hormone balance, and strengthens immune responses.
Reduce Artificial Light: Minimising exposure to artificial blue light, particularly from
screens, protects mitochondria from unnecessary stress, promoting greater overall
wellbeing.
EMFs: Hidden Threats to Mitochondrial Health
Electromagnetic fields (EMFs) generated by Wi-Fi, Bluetooth, and power grids
significantly harm mitochondria, causing cellular dysfunction and heightened oxidative
stress. Simple protective measures include:
Turning off Wi-Fi at night.
Reducing Bluetooth device usage.
Spending more time in nature away from EMF sources.
Taking Action for Better Health
The evidence showing mitochondrial dysfunction in autism is undeniable. Addressing environmental toxins, reducing EMFs, ensuring optimal nutrition, and embracing natural sunlight are not merely suggestions—they are powerful actions that can dramatically enhance mitochondrial health and improve life outcomes for children with autism. Proactive management of mitochondrial health offers profound benefits, empowering parents to positively influence their children's developmental trajectories and overall quality of life.




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