Long COVID: When Energy Systems Break Down

The global impact of COVID-19 didn’t end with the acute infection. For many, recovery has been far from straightforward. A growing number of individuals continue to experience persistent, often debilitating symptoms weeks or even months after the initial illness — a condition widely known as Long COVID.

At AIM Health, we’re seeing firsthand how complex and disruptive this condition can be — and more importantly, how a targeted, science-led approach can support recovery by addressing the root causes.

What Is Long COVID?

Long COVID represents a constellation of post-acute and long-term health effects caused by SARS-CoV-2 infection. It is not a single condition but a multi-system disorder that can affect nearly every organ system in the body — including the brain, lungs, cardiovascular system, immune system, and gut.

For some individuals, symptoms are mild but persistent. For others, they can be severely disabling, impacting daily function, work, and overall quality of life.

Common symptoms include:

• Chronic fatigue and low energy
• Brain fog and cognitive dysfunction
• Shortness of breath
• Muscle and joint pain
• Sleep disturbances
• Anxiety or low mood

The Science: What’s Really Going On?

While research is ongoing, Long COVID is increasingly understood as a complex biological condition involving several overlapping mechanisms rather than a single cause.

1. Mitochondrial Dysfunction

Mitochondria are the “powerhouses” of our cells, responsible for producing energy. In Long COVID, mitochondrial function may be impaired, leading to:

• Persistent fatigue
• Reduced physical and mental stamina
• Poor recovery after exertion

2. Persistent Viral Fragments

Even after the acute infection resolves, remnants of the virus may linger in the body, continuing to trigger immune responses.

3. Immune Dysregulation

The immune system may remain in a prolonged state of activation — or become imbalanced — contributing to:

• Ongoing inflammation
• Increased susceptibility to illness
• Autoimmune-like responses

4. Microbiome Disruption

The gut microbiome plays a crucial role in immunity and overall health. COVID-19 can disrupt this delicate ecosystem, impacting:

• Digestion
• Immune signalling
• Brain function (via the gut-brain axis)

The Human Impact

Long COVID doesn’t just affect the body — it affects the whole person.

Many individuals report:

• Feeling “not like themselves”
• Struggling with work or daily responsibilities
• Loss of confidence in their physical abilities
• Emotional stress from prolonged uncertainty

This is why a whole-body, root-cause approach is essential.

The AIM Health Approach: Getting to the Root Cause

At AIM Health, we don’t just manage symptoms — we focus on restoring function at a cellular level, supporting the body’s natural ability to heal.

Here are some of the key therapies we use:

Photobiomodulation (Red-Light Therapy)

Photobiomodulation uses specific wavelengths of light to stimulate cellular activity — particularly within the mitochondria.

Benefits for Long COVID:

• Enhances mitochondrial function → improves energy production
• Reduces inflammation → supports recovery across multiple systems
• Supports immune regulation → helps rebalance immune responses
• Promotes tissue repair

This makes it especially effective for fatigue, muscle recovery, and overall vitality.

Hyperbaric Oxygen Therapy (HBOT)

HBOT involves breathing oxygen in a pressurised environment, allowing significantly more oxygen to dissolve into the bloodstream and reach tissues.

What the Research Shows:

Emerging studies suggest HBOT may:

• Reduce systemic inflammation
• Improve mitochondrial efficiency and energy production
• Enhance neuroplasticity (supporting brain recovery and cognitive function)
• Promote tissue repair and regeneration

For individuals experiencing brain fog, fatigue, and slow recovery, this can be a powerful intervention.

Hyperbaric Oxygen Therapy with Hydrogen (HBOT-H₂)

At AIM Health, we take this a step further by combining oxygen therapy with hydrogen gas — a cutting-edge approach with additional benefits.

Why Add Hydrogen?

Hydrogen is a selective antioxidant, meaning it targets harmful free radicals without disrupting beneficial cellular processes.

Combined Benefits:

• Enhanced oxygen delivery → boosts cellular energy production
• Improved mitochondrial function → supports sustained energy
• Reduced oxidative stress and inflammation
• Neuroprotective effects → beneficial for brain fog and cognition
• Supports immune balance

This dual approach is particularly effective for addressing the underlying drivers of Long COVID, rather than just the symptoms.

A Smarter Path to Recovery

Long COVID is complex — but recovery doesn’t have to be confusing.

By targeting:

• Cellular energy production
• Inflammation
• Immune function
• Tissue repair

we can help the body move out of a chronic stress state and back toward balance.

Final Thoughts

Long COVID is a reminder that health operates on multiple levels — and recovery requires more than a one-size-fits-all approach.

At AIM Health, we combine science-backed therapies with a personalised strategy to support your recovery journey — helping you regain energy, clarity, and control over your health.