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Dr. Gavin Guard, DMS, PA-C, CLS is a board-certified Physician Associate/Assistant and Doctor of Medical Science specializing in functional and integrative medicine. His expertise spans a wide range of conditions, including metabolic, hormonal, gastrointestinal, autoimmune, thyroid, and complex chronic disorders. He is certified by the American Board of Clinical Lipidology and brings an evidence-based, systems-oriented approach to identifying and treating the root causes of disease.
By integrating advanced diagnostics, nutrition and lifestyle medicine, pharmacologic precision, and patient-centered education, Dr. Guard helps individuals achieve lasting improvements in energy, performance, and overall well-being. His care philosophy merges functional medicine with conventional science, emphasizing prevention, metabolic optimization, and whole-person healing.
Dr. Guard has authored four peer-reviewed journal publications on gastrointestinal health and remains committed to advancing integrative, evidence-based care through clinical research, mentorship, and continuing education.
Cardiometabolic Health (genetic lipid cases, hypertension, heart disease prevention/treatment, heart scans)
Obesity medicine and Fatty Liver Disease (Fibroscans)
Digestive health (IBS, SIBO, IBD, advanced testing)
Autoimmunity
Thyroid disorders
Hormone replacement therapy for both men (testosterone) and women (estrogen, progesterone, testosterone)
Mold toxicity
Mast Cell disorders
Fatigue/Fibromyalgia
The Relationship between Gastrointestinal Health, Micronutrient Concentrations, and Autoimmunity: A Focus on the Thyroid
Symptoms Originally Attributed to Thyroid Dysfunction Were Instead Caused by Suboptimal Gastrointestinal Health: A Case Series and Literature Review
Blastocystis hominis; Friend or Foe
Dr. Gavin Guard, DMS, PA-C, CLS is a board-certified Physician Associate/Assistant and Doctor of Medical Science specializing in functional and integrative medicine with a focus on cardiometabolic, hormonal, gastrointestinal, and complex chronic conditions. He is certified by the American Board of Clinical Lipidology and brings an evidence-based, systems-oriented approach to identifying and treating the root causes of disease.
Dr. Guard’s areas of expertise include:
Cardiometabolic Health: genetic lipid disorders, hypertension, heart disease prevention and treatment, and interpretation of advanced imaging such as coronary artery calcium and Cleerly heart scans.
Obesity Medicine & Fatty Liver Disease: comprehensive weight management and metabolic therapy, including FibroScan evaluation for metabolic-associated fatty liver disease (MAFLD).
Digestive Health: management of IBS, SIBO, IBD, reflux, bloating, and dysbiosis, utilizing advanced testing to guide targeted therapy.
Hormone & Endocrine Health: thyroid optimization, testosterone therapy for men, and hormone replacement therapy for women including estrogen, progesterone, and testosterone.
Autoimmunity, Mast Cell Disorders, and Mold Toxicity: integrative management for patients with chronic inflammation, immune dysregulation, and environmental illness.
Fatigue & Fibromyalgia: root-cause assessment and recovery strategies addressing mitochondrial function, nervous system balance, and metabolic resilience.
Through a combination of advanced diagnostics, nutrition and lifestyle interventions, pharmacologic precision, and patient education, Dr. Guard helps individuals restore vitality and long-term health. His care philosophy merges functional medicine, clinical lipidology, obesity medicine, and preventive cardiology to create comprehensive, individualized treatment plans.
Dr. Guard has authored four peer-reviewed journal publications on gastrointestinal health and remains committed to advancing integrative, evidence-based care through clinical research and continuing education.
