Marc Ryan Lac

About the Author

Marc Ryan Lac is a licensed acupuncturist and certified herbalist with over two decades of experience in integrative medicine, specializing in thyroid disorders and autoimmune conditions. Drawing from his clinical practice and personal journey with Hashimoto's thyroiditis, he has dedicated his career to empowering patients through holistic approaches that combine Eastern and Western healing traditions. As the founder of a wellness clinic in California, Marc has helped thousands reclaim their vitality by addressing root causes rather than symptoms alone. His writing bridges the gap between complex medical science and accessible self-care, offering practical tools for lasting health transformation. In his acclaimed book, The Hashimoto's Healing Diet: Anti-inflammatory Strategies for Losing Weight, Boosting Your Thyroid, and Getting Your Energy Back, he provides evidence-based dietary and lifestyle strategies to support thyroid function and overall well-being.