
Athletic Performance Support
Unlock peak performance with Dr. Brenda Marshall’s functional medicine approach. From fatigue and recovery to hormone and gut balance, this program helps active adults optimize strength, energy, and endurance.
Athletic Performance Support Treatment
Dr. Brenda Marshall, MD – Functional & Integrative Medicine for Peak Physical Performance
Unlock your full potential with a treatment approach that bridges science, holistic care, and personalized medicine. Dr. Brenda Marshall offers specialized support for athletes and active individuals seeking to enhance performance, prevent injury, and maintain peak physical health through a functional, integrative medicine lens.
A Personalized Path to Peak Performance
Whether you're a competitive athlete or simply striving to live an active lifestyle, Dr. Marshall’s approach is built on understanding the unique interplay between your physiology, genetics, environment, and training demands. No two bodies are the same—and neither should be their treatment.
Dr. Marshall combines advanced diagnostic testing with deep clinical experience to uncover hidden imbalances and optimize physical performance. Her goal: help you move better, feel stronger, recover faster, and sustain long-term health.
Conditions Addressed Include:
- Persistent fatigue or underperformance despite training
- Recovery challenges post-exertion or injury
- Chronic muscle pain or joint inflammation
- Hormonal imbalances (testosterone, cortisol, thyroid function)
- Gut health issues impacting endurance, focus, or inflammation
- Sleep disruptions affecting training or recovery
- Mental fog, mood instability, or stress dysregulation
- Nutritional deficiencies impeding energy metabolism
A Holistic Toolkit for Athletes:
Dr. Marshall’s treatment strategy draws from multiple evidence-based tools, including:
- Comprehensive bloodwork and advanced biomarker panels
- Hormonal and adrenal optimization
- Anti-inflammatory and performance-focused nutrition
- Gut microbiome balancing
- Personalized supplement protocols
- Genetic and family history-guided risk prevention
- Stress management and sleep enhancement techniques
Real Results, Rooted in Prevention
What sets Dr. Marshall apart is her ability to see beyond symptoms. She looks for patterns, root causes, and subtle dysfunctions before they escalate into injuries or chronic conditions. This proactive approach allows athletes to stay ahead of setbacks, rather than just react to them.
Whether you're dealing with a plateau in performance or trying to reclaim your vitality after illness or burnout, her mission is to restore your body's balance and help you thrive again.
Who Is This For?
This treatment is ideal for:
- Recreational and professional athletes
- Dancers, performers, and high-demand professionals
- Adults aged 18–75 who are active and health-conscious
- Those recovering from COVID, chronic fatigue, or hormonal shifts
- Individuals not getting results from traditional sports medicine
Hope Through Healing
Many of Dr. Marshall’s clients arrive after seeing multiple practitioners without success. Her integrative, functional perspective often uncovers what others have missed—and helps her patients finally turn the corner toward healing and peak performance.
"I’m often the last stop for people who’ve tried everything else. But with the right lens, we can find what’s missing and rebuild from the ground up. The goal isn’t just treatment—it’s transformation." – Dr. Brenda Marshall

Ready to Elevate Your Performance?
If you're tired of hitting plateaus, fighting fatigue, or not getting the answers you need, you're not alone. Dr. Brenda Marshall is here to help you uncover what’s holding you back—and guide you toward sustainable strength and vitality.
📞 Book a Consultation
Take the first step toward a personalized, functional medicine approach to performance and recovery. Dr. Marshall offers virtual consultations for patients across California.
Schedule a Call → Call or Text 858.663.7699
🛍️ Explore Dr. Marshall’s Referral Shop
Support your recovery and training with physician-vetted supplements, lab tests, and tools. Dr. Marshall only recommends what she trusts for her patients—and herself.
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.