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ADHD
Focus struggles aren’t just behavioral. Dr. Marshall uncovers nutritional, hormonal, and environmental imbalances that drive ADHD symptoms—helping adults and teens build calm, clarity, and confidence.
ADHD & Attention Dysregulation
A Functional Medicine Approach to Focus, Energy & Emotional Balance – Dr. Brenda Marshall, MD
Attention Deficit Hyperactivity Disorder (ADHD) is more than a label—it's a complex interplay of neurological, nutritional, hormonal, and environmental factors. Whether you're navigating a formal diagnosis or simply struggling with focus, impulsivity, or restlessness, Dr. Brenda Marshall offers a holistic path to clarity and calm.
Recognizing the Signs
ADHD manifests uniquely in each individual. Common symptoms include:
- Difficulty sustaining attention or completing tasks
- Impulsivity or acting without thinking
- Restlessness or constant movement
- Disorganization and forgetfulness
- Emotional dysregulation or mood swings
- Challenges with time management and prioritization
These symptoms often overlap with other conditions Dr. Marshall addresses, such as sleep disturbances, anxiety, nutritional deficiencies, and hormonal imbalances.
Environmental and Nutritional Influences
Emerging research highlights the impact of certain environmental toxins and dietary components on ADHD symptoms:
Artificial Food Colors (AFCs):
Studies suggest that synthetic food dyes may exacerbate hyperactivity and attention issues in some children, regardless of an ADHD diagnosis.
Heavy Metals and Chemicals:
Exposure to substances like lead, phthalates, and bisphenol A (BPA) has been associated with increased ADHD risk.
Nutritional Factors:
Deficiencies in omega-3 fatty acids, magnesium, and zinc can influence neurotransmitter function, affecting attention and behavior.
Dr. Marshall’s Integrative Approach
1. Comprehensive Assessment
- Detailed health history and symptom evaluation
- Laboratory testing for nutrient levels, hormonal balance, and toxin exposure
- Assessment of gut health and inflammation markers
2. Personalized Treatment Plan
- Nutritional interventions to address deficiencies and support brain health
- Guidance on eliminating potential dietary triggers
- Detoxification protocols to reduce toxin burden
- Behavioral strategies and lifestyle modifications to enhance focus and reduce impulsivity
3. Collaborative Care
- Coordination with therapists, educators, and other healthcare providers
- Support for families in creating structured, supportive environments
“ADHD is not a one-size-fits-all condition. By understanding the unique factors contributing to each individual's symptoms, we can create a targeted plan that fosters lasting improvement.” – Dr. Brenda Marshall

❓ Frequently Asked Questions (FAQs)
Q: Do I need an official ADHD diagnosis to work with Dr. Marshall?
A: Not at all. Many people experience focus or executive function issues without a formal diagnosis. Dr. Marshall works based on your symptoms and functional needs—not labels alone.
Q: Can food dyes and toxins really affect ADHD?
A: Yes. Studies have linked synthetic dyes, heavy metals, and BPA to increased hyperactivity and attention difficulties. Dr. Marshall helps patients identify and reduce these exposures.
Q: Is this approach only for kids?
A: No. Dr. Marshall works with both adults and adolescents who experience focus, impulsivity, or energy regulation challenges.
Q: Will I have to stop taking ADHD medication?
A: Not unless it’s your goal. Dr. Marshall can support patients on or off medications, often helping reduce dosage needs by addressing root causes.
Q: How long does it take to see improvement?
A: Some patients feel shifts within a few weeks, especially when nutrient deficiencies or food triggers are involved. Long-term improvement builds with consistency.
✅ Focus & Clarity Support Checklist
Try these daily habits to support brain function and nervous system balance:
☐ Prioritize protein-rich breakfasts to stabilize blood sugar and support dopamine
☐ Limit added sugars and artificial colors (especially red 40, yellow 5, and blue dyes)
☐ Use blue-light filters and avoid screens 1 hour before bedtime
☐ Incorporate omega-3-rich foods like salmon, walnuts, or flaxseed
☐ Use movement breaks throughout the day to reset focus
☐ Practice brain-calming activities like walking, puzzles, or mindfulness
☐ Create predictable routines to reduce decision fatigue
☐ Support detox pathways with hydration, fiber, and sweat (exercise, sauna)
☐ Talk openly about focus struggles with trusted family, teachers, or therapists
Small adjustments can lead to big wins when they’re tailored to your brain’s needs.
Conditions Dr. Marshall Helps You Overcome
With over 30 years of experience in integrative and functional medicine, Dr. Brenda Marshall offers highly personalized care for the real conditions her patients face—from hormone imbalances and digestive distress to fatigue, anxiety, and environmental toxicity. Her science-based protocols are designed to uncover and treat the root cause—not just the symptoms—so you can reclaim your energy, balance, and long-term wellness.