Premier Internal MedicineAlexandra Zelenka, MD

Functional Medicine in Tampa

A patient-centered, science-based approach that addresses the root causes of disease rather than just treating symptoms. Our functional medicine practice combines advanced diagnostic testing with personalized lifestyle interventions to optimize your health and prevent chronic illness.

Laboratory microscope used for advanced diagnostic testing

What is Functional Medicine?

Functional medicine is an integrative, systems-oriented approach that focuses on identifying and addressing the underlying causes of disease. Unlike conventional medicine, which often focuses on symptom management, functional medicine practitioners spend time listening to patients and examining the interactions among genetic, environmental, and lifestyle factors that can influence long-term health and complex, chronic disease. This comprehensive approach allows us to develop highly personalized treatment plans that target the root causes of illness rather than simply masking symptoms with medications.

The functional medicine model evolved from the work of pioneers in nutritional biochemistry, environmental medicine, and integrative health. It recognizes that each patient is biochemically unique and that one-size-fits-all protocols are inadequate for managing the chronic diseases that affect millions today. By utilizing advanced laboratory testing, detailed health histories, and evidence-based therapeutic interventions, functional medicine practitioners can uncover hidden imbalances in hormones, nutrients, gut health, detoxification pathways, immune function, and cellular energy production. These imbalances, when left unaddressed, often manifest as fatigue, brain fog, weight gain, digestive issues, autoimmune conditions, metabolic syndrome, and other chronic health challenges.

Functional medicine is particularly effective for patients with complex, chronic conditions that have not responded well to conventional treatments. This includes individuals struggling with autoimmune diseases like Hashimoto's thyroiditis and rheumatoid arthritis, metabolic disorders such as diabetes and insulin resistance, gastrointestinal conditions including IBS and inflammatory bowel disease, hormonal imbalances affecting thyroid and adrenal function, neurological issues like migraines and cognitive decline, and chronic fatigue or fibromyalgia. The approach is also valuable for individuals seeking to optimize their health, prevent disease, and enhance their quality of life through personalized nutrition, stress management, sleep optimization, and targeted supplementation.

Signs Functional Medicine May Help You

  • Chronic fatigue despite adequate sleep
  • Unexplained weight gain or difficulty losing weight
  • Digestive issues: bloating, gas, constipation, diarrhea
  • Brain fog, poor concentration, or memory problems
  • Hormonal imbalances affecting mood or energy
  • Autoimmune conditions or chronic inflammation
  • Persistent skin issues like eczema or acne
  • Sleep disturbances or insomnia
  • Anxiety, depression, or mood instability
  • Food sensitivities or allergic reactions
  • Chronic pain or fibromyalgia
  • Multiple medications with limited improvement

What to Expect

  • Comprehensive assessment exploring your complete health history, lifestyle factors, environmental exposures, and current symptoms with advanced laboratory testing
  • Personalized treatment plans based on your unique findings, including targeted nutritional interventions, evidence-based supplementation, and lifestyle modifications
  • Ongoing support and monitoring with regular follow-up appointments to track progress, adjust interventions, and educate you about connections between choices and health outcomes
  • Integration of the best conventional medical diagnostics and treatments with evidence-based natural therapies and preventive strategies
  • Focus on sustainable, long-term wellness through patient partnership and active participation in lifestyle changes
  • Treatment of root causes rather than symptom suppression, addressing underlying imbalances in nutrition, hormones, gut health, detoxification, and immune function

Our Approach to Functional Medicine

Comprehensive Assessment

We begin with an extensive intake that explores your complete health history, family history, lifestyle factors, environmental exposures, diet, stress levels, and current symptoms. Advanced laboratory testing evaluates nutrient status, hormone levels, gut health, inflammation markers, metabolic function, and genetic factors to create a complete picture of your health.

Personalized Treatment Plan

Based on your unique findings, we develop a customized therapeutic protocol that may include targeted nutritional interventions, evidence-based supplementation, dietary modifications, lifestyle changes, stress reduction techniques, sleep optimization, exercise recommendations, and when appropriate, conventional medications or bioidentical hormone therapy.

Ongoing Support & Monitoring

Functional medicine is a partnership. We provide regular follow-up appointments to monitor your progress, adjust interventions based on your response, retest key markers to track improvements, and educate you about the connections between your choices and your health outcomes. Our goal is sustainable, long-term wellness.

Benefits

Nutritional Therapy

Personalized dietary protocols including elimination diets, anti-inflammatory nutrition, gut-healing diets, ketogenic or low-glycemic approaches, and targeted macronutrient balance based on your metabolic needs and health goals.

Advanced Laboratory Testing

Comprehensive panels including micronutrient analysis, food sensitivity testing, comprehensive stool analysis, hormone panels, organic acids testing, heavy metal screening, and genetic testing to guide precise interventions.

Targeted Supplementation

High-quality, pharmaceutical-grade supplements to address specific deficiencies and support optimal function, including vitamins, minerals, probiotics, digestive enzymes, herbal medicines, and nutraceuticals with proven efficacy.

Lifestyle Medicine

Evidence-based interventions for sleep optimization, stress management, movement and exercise prescription, mindfulness practices, environmental toxin reduction, and behavior change strategies to support sustainable health improvements.

Gut Health Restoration

Protocols to heal intestinal permeability, rebalance the microbiome, eliminate dysbiosis and infections, optimize digestive function, and address the gut-brain-immune axis that influences systemic health.

Detoxification Support

Gentle, evidence-based protocols to support the body's natural detoxification pathways, addressing toxic burden from environmental exposures, heavy metals, and metabolic waste products that impair cellular function.

What to Expect on Your Functional Medicine Journey

Initial Consultation (60-90 minutes)

Your first visit involves a comprehensive review of your health history, current symptoms, lifestyle, diet, stress levels, sleep patterns, and health goals. We'll discuss recommended laboratory testing and begin developing your initial treatment strategy. Most patients leave with actionable steps they can implement immediately.

Testing & Analysis (Week 2-4)

We complete recommended laboratory tests and thoroughly analyze results to identify root causes and imbalances. You'll receive a detailed explanation of findings and how they relate to your symptoms, along with a comprehensive written treatment plan tailored to your unique biology.

Implementation Phase (Month 1-3)

You'll begin implementing dietary changes, supplements, and lifestyle modifications. We schedule follow-up visits every 4-6 weeks during this phase to monitor progress, address challenges, adjust protocols, and provide education and support. Many patients notice improvements in energy, digestion, and mental clarity within the first month.

Optimization & Long-term Wellness (Month 3+)

As you progress, we shift focus to optimization and prevention. Follow-up visits become less frequent (every 2-3 months), and we continue to refine your protocol based on ongoing results. We retest key markers periodically to document improvements and ensure sustained progress. The goal is to help you achieve and maintain optimal health for life.

Treatment Modalities We Utilize

Personalized dietary protocols including elimination diets, anti-inflammatory nutrition, gut-healing diets, ketogenic or low-glycemic approaches, and targeted macronutrient balance based on your metabolic needs and health goals.

Comprehensive panels including micronutrient analysis, food sensitivity testing, comprehensive stool analysis, hormone panels, organic acids testing, heavy metal screening, and genetic testing to guide precise interventions.

High-quality, pharmaceutical-grade supplements to address specific deficiencies and support optimal function, including vitamins, minerals, probiotics, digestive enzymes, herbal medicines, and nutraceuticals with proven efficacy.

Evidence-based interventions for sleep optimization, stress management, movement and exercise prescription, mindfulness practices, environmental toxin reduction, and behavior change strategies to support sustainable health improvements.

Protocols to heal intestinal permeability, rebalance the microbiome, eliminate dysbiosis and infections, optimize digestive function, and address the gut-brain-immune axis that influences systemic health.

Gentle, evidence-based protocols to support the body's natural detoxification pathways, addressing toxic burden from environmental exposures, heavy metals, and metabolic waste products that impair cellular function.

Timeline Important Note

Important Note: Functional medicine requires active patient participation and commitment to lifestyle changes. Results vary based on individual health status, adherence to recommendations, and the complexity of underlying conditions. Most chronic conditions improve significantly within 3-6 months, though some complex cases may require longer intervention periods.

Common Questions About Functional Medicine

How is functional medicine different from conventional medicine?

Conventional medicine typically focuses on diagnosing diseases and managing symptoms with medications or surgery. It excels at treating acute conditions and emergencies. Functional medicine, by contrast, seeks to identify and address the root causes of chronic disease by examining the complex interactions between genetics, environment, and lifestyle. Rather than simply suppressing symptoms, functional medicine practitioners work to restore normal function by addressing underlying imbalances in nutrition, hormones, gut health, detoxification, immune function, and cellular metabolism. The two approaches are complementary rather than contradictory—functional medicine integrates the best of conventional medical diagnostics and treatments with evidence-based natural therapies, lifestyle interventions, and preventive strategies.

What conditions can functional medicine help treat?

Functional medicine is particularly effective for chronic, complex conditions that have not responded well to conventional treatments. These include: Autoimmune diseases (Hashimoto's, rheumatoid arthritis, lupus, celiac disease); Metabolic disorders (diabetes, insulin resistance, metabolic syndrome, obesity); Gastrointestinal issues (IBS, SIBO, inflammatory bowel disease, reflux, leaky gut); Hormonal imbalances (thyroid dysfunction, adrenal fatigue, PCOS, menopause symptoms); Chronic fatigue syndrome and fibromyalgia; Neurological conditions (migraines, cognitive decline, brain fog, neuropathy); Cardiovascular disease and hypertension; Mental health conditions (anxiety, depression, mood disorders); Chronic inflammatory conditions and pain syndromes; Skin conditions (eczema, psoriasis, acne, rosacea). Functional medicine is also valuable for individuals seeking to optimize their health, enhance athletic performance, slow aging, and prevent disease before it manifests.

Does insurance cover functional medicine services?

Insurance coverage for functional medicine varies depending on your specific plan and how services are billed. Many functional medicine consultations can be billed using standard medical diagnosis codes and may be covered, though extended consultation times and some specialized testing may not be fully covered by all insurance plans. We recommend contacting your insurance provider to understand your specific benefits. We provide detailed superbills that you can submit for out-of-network reimbursement if applicable. Many patients find that investing in functional medicine ultimately saves money by reducing medication costs, preventing disease progression, and avoiding expensive interventions down the road. We're committed to working with you to make care accessible and will discuss costs transparently during your initial consultation.

How long does it take to see results with functional medicine?

The timeline for improvement varies significantly based on the complexity of your condition, how long you've been experiencing symptoms, and your adherence to the treatment plan. Many patients notice improvements in energy, sleep, digestion, or mental clarity within the first 2-4 weeks of implementing dietary and lifestyle changes. More significant changes in chronic symptoms, inflammatory markers, or metabolic function typically become evident within 2-3 months. Complex conditions like autoimmune diseases or long-standing hormonal imbalances may require 6-12 months of consistent intervention to achieve optimal results. Functional medicine is not a quick fix—it's a comprehensive approach to restoring health at the deepest level, which takes time. However, the improvements are typically sustainable and progressive, with continued gains over time rather than the temporary relief often seen with symptom-suppressing medications.

Do I need to stop taking my current medications to pursue functional medicine?

Absolutely not. We never recommend that patients discontinue prescribed medications without careful consideration and coordination with their prescribing physician. Functional medicine works alongside conventional treatments, and many patients continue necessary medications while we address underlying root causes. As your health improves through functional medicine interventions, some patients are able to reduce medication dosages or eliminate certain medications entirely—but this is always done gradually, safely, and in collaboration with your entire healthcare team. Our goal is to optimize your health using all available tools, which may include both conventional and integrative approaches. Safety is always our top priority, and we maintain open communication with your other healthcare providers to ensure coordinated, comprehensive care.

Ready to Get Help with Functional Medicine?

Take the first step toward understanding and addressing the root causes of your health challenges. Schedule your comprehensive functional medicine consultation today.

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