Elliot Overton, an expert on thiamine (Vitamin B1), discusses the profound impact of this often-overlooked nutrient on gut health and mitochondrial function. He emphasizes the symptoms of thiamine deficiency and how to identify them. The conversation delves into personalized supplementation strategies, including the benefits of thiamine derivatives. Overton also covers the potential of thiamine for enhancing sleep quality and addresses the importance of context and individual needs for effective treatment.