Jim LaValle is a clinician, educator, author, and respected leader in integrative and precision medicine, specializing in metabolic health, nutrition, longevity, and performance. His work helps practitioners and health leaders turn complex information from laboratory tests, wearables, imaging, and other measures into practical, consistent decisions. Drawing on decades of clinical experience, LaValle teaches an integrated view of the body’s metabolic systems, connecting symptoms, biomarkers, and underlying physiology to support more actionable care.

Through the Metabolic Code platform, professional education, international presentations, books, and online videos, he shares evidence-based insights with clinicians, athletes, coaches, and people interested in healthy aging. His educational content covers topics including precision nutrition, mitochondrial health, hormones, recovery, peptides, and longevity. LaValle’s books and clinical guides include the Peptide Handbook, which presents peptide information, selected therapeutic protocols, and complementary nutritional support from a clinician’s perspective. He also offers resources such as a free guide, a newsletter, and speaking engagements.