Understanding ADHD: Root Causes, Symptoms, and a Functional Medicine Approach to Healing

Introduction

Attention-Deficit/Hyperactivity Disorder (ADHD) is one of the most commonly diagnosed neurodevelopmental conditions in both children and adults. Characterized by inattention, impulsivity, and hyperactivity, ADHD can affect academic performance, work productivity, relationships, and overall quality of life.

But what if there’s more to the story than just a brain-based disorder?

In functional medicine, we explore ADHD not as a fixed diagnosis, but as a symptom of deeper imbalances in the brain and body. By identifying root causes—such as nutrient deficiencies, gut health issues, inflammation, and environmental triggers—many people are able to improve focus, mood, and function naturally.

In this blog, we’ll cover:

  • What ADHD really is
  • The different types and symptoms
  • Root causes of ADHD (beyond brain chemistry)
  • A functional medicine approach to managing ADHD naturally

What Is ADHD?

ADHD stands for Attention-Deficit/Hyperactivity Disorder. It is typically diagnosed in childhood, but symptoms often continue into adulthood.

Three Primary Types of ADHD:

  1. Inattentive Type – Trouble focusing, forgetfulness, disorganization (formerly called ADD)
  2. Hyperactive-Impulsive Type – Fidgeting, impulsivity, restlessness
  3. Combined Type – A mix of both inattentiveness and hyperactivity

Common Symptoms of ADHD

In children and teens:

  • Difficulty sitting still or staying quiet
  • Poor attention span
  • Forgetfulness and frequent mistakes
  • Impulsivity or blurting out
  • Struggles in school despite high intelligence

In adults:

  • Disorganization
  • Difficulty following through on tasks
  • Trouble focusing in meetings or conversations
  • Restlessness or “mental noise”
  • Mood swings and poor time management

ADHD is typically treated with stimulant medications like Adderall or Ritalin, which may help short-term—but don’t address deeper imbalances.

The Functional Medicine Perspective: What Really Causes ADHD?

Rather than asking, “What pill treats this condition?”, functional medicine asks:
“What is driving these symptoms in this unique individual?”

Let’s explore the top root causes of ADHD that can be evaluated and addressed naturally.

1. Blood Sugar Imbalance

Blood sugar swings—especially from a diet high in sugar, processed foods, and refined carbs—can mimic or worsen ADHD symptoms.

Low blood sugar leads to:

  • Irritability
  • Brain fog
  • Poor concentration
  • Fatigue or hyperactivity

Balancing blood sugar with protein-rich meals, healthy fats, and fiber is key to stable mood and focus.

2. Nutrient Deficiencies

Several vitamins and minerals play a crucial role in neurotransmitter production and brain function. Deficiencies are common in people with ADHD.

Critical nutrients:

  • Magnesium – Calms the nervous system and supports dopamine function
  • Zinc – Modulates attention and behavior
  • Iron – Required for dopamine production
  • Omega-3 fatty acids (EPA/DHA) – Essential for brain development and reducing hyperactivity
  • Vitamin B6 and B12 – Support methylation and neurotransmitter balance

Testing and replenishing these nutrients can significantly reduce ADHD symptoms.

3. Gut-Brain Axis Dysfunction

The gut and brain are intimately connected via the vagus nerve and microbiome. An inflamed or imbalanced gut can lead to neuroinflammation, mood instability, and behavioral issues.

Signs of gut-brain imbalance include:

  • Chronic bloating, constipation, or diarrhea
  • Food sensitivities
  • Eczema or asthma
  • Frequent antibiotic use or C-section birth

Many children and adults with ADHD also have leaky gut, dysbiosis (imbalanced gut flora), or a history of gut infections.

4. Food Sensitivities and Inflammatory Triggers

Certain foods can trigger inflammation in the brain and body, leading to ADHD-like symptoms. The most common culprits include:

  • Gluten
  • Dairy
  • Artificial dyes and preservatives (especially Red Dye 40)
  • Refined sugar
  • Soy and corn

An elimination diet or food sensitivity testing can help pinpoint triggers.

5. Environmental Toxins

Heavy metals, pesticides, mold, and chemical exposures have been linked to ADHD symptoms.

Common sources:

  • Mercury from seafood or dental fillings
  • Lead in old paint or pipes
  • Pesticide residues on produce
  • Flame retardants and phthalates in plastics
  • Mold exposure in homes or schools

These toxins disrupt brain chemistry, immune function, and detox pathways—making detoxification an important part of a functional ADHD protocol.

6. Methylation Imbalance

Methylation is a biochemical process crucial for detoxification, DNA repair, and neurotransmitter production (including dopamine and serotonin).

People with methylation imbalances—often due to genetic variants like MTHFR—may struggle with:

  • Focus
  • Mood regulation
  • Toxin clearance

Support may include activated B vitamins (methylfolate, methylcobalamin), magnesium, and SAMe.

7. Poor Sleep and Circadian Disruption

Sleep deprivation or disrupted sleep quality (especially in kids) can mimic or exacerbate ADHD symptoms.

Sleep-deprived brains have:

  • Impaired attention
  • Increased impulsivity
  • Emotional dysregulation

Improving sleep hygiene, limiting blue light, and addressing obstructive sleep apnea or restless sleep are crucial components of treatment.

8. Trauma and Nervous System Dysregulation

Unresolved childhood trauma, emotional neglect, or chronic stress can cause the nervous system to operate in a constant fight-or-flight mode, which may look like ADHD.

In some cases, what’s diagnosed as ADHD may actually be:

  • Developmental trauma
  • Sensory processing disorder
  • Anxiety or PTSD

Calming the nervous system with somatic therapy, EMDR, breathwork, or nervous system regulation techniques can improve focus and behavior.

Functional Medicine Approach to Healing ADHD

A personalized, root-cause plan may include:

✅ Comprehensive testing for:

  • Nutrient levels
  • Food sensitivities
  • Gut microbiome
  • Heavy metals or mold
  • Genetic markers (MTHFR, COMT, etc.)

✅ Foundational steps:

  • Anti-inflammatory, blood sugar-stabilizing nutrition
  • Gut healing (probiotics, L-glutamine, digestive support)
  • Nutrient repletion (magnesium, omega-3s, B vitamins)
  • Mind-body stress reduction and sleep optimization

✅ Optional therapies:

  • Neurofeedback or biofeedback
  • Herbal brain support (e.g., Bacopa, Rhodiola, Ginkgo)
  • Essential oils (like vetiver and lavender for calming)
  • Movement-based therapy (yoga, martial arts, rhythmic play)

Can ADHD Be Managed Without Medication?

Yes—for many individuals, especially children—natural, functional approaches can dramatically reduce or even eliminate symptoms. Some may still benefit from medication short-term, but the goal in functional medicine is true healing, not just symptom suppression.

Conclusion: ADHD Is a Symptom, Not a Life Sentence

ADHD doesn’t mean your brain is broken. It’s a signal that something deeper needs support—whether that’s gut health, nutrient balance, detox pathways, or emotional regulation.

You are not “lazy” or “disorganized.” You may just need a root-cause approach that supports your unique biochemistry and environment.

Need Help Managing ADHD Naturally?

At Sheen Vein & Cosmetics, we offer functional medicine evaluations for children and adults with ADHD symptoms. Our personalized protocols include lab testing, lifestyle plans, and brain-gut support to help you or your child thrive—without relying solely on medication.

📞 Call or book online today to start your healing journey.

‍