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William Hsu
Chief Medical Officer at L-Nutra, Inc
William Hsu, MD, is the Chief Medical Officer at L-Nutra, Inc., a position he has held since 2019. He was drawn to L-Nutra due to its innovative approach to nutrition technology and the scientific foundation supporting its initiatives. Dr. Hsu has over 20 years of experience in the medical field, particularly as an endocrinologist at Harvard’s Joslin Diabetes Center, where he focused on diabetes research and health technology applications for chronic conditions. He also served as Vice President at Joslin, overseeing international programs aimed at developing diabetes care systems worldwide.12
At L-Nutra, Dr. Hsu is responsible for leading the Medical, Scientific Affairs, and Regulatory Compliance Departments. His work includes overseeing clinical trials and research development related to metabolic health, diabetes, cancer, autoimmune diseases, and neurodegenerative disorders. Additionally, he plays a crucial role in global education efforts to promote Fasting-Mimicking Technology as a means to improve healthspan.13
Dr. Hsu has contributed to national healthcare standards through his involvement with professional committees such as the American Diabetes Association. He earned his medical degree from Mount Sinai School of Medicine and completed his residency in internal medicine at Yale School of Medicine, followed by a fellowship in Endocrinology and Metabolism at Harvard Medical School.14
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