“How is thiamine used in the body? It is involved in many of the most important metabolic processes of the body. Like most of the B vitamins, thiamine helps our bodies use energy from foods and is vital for cellular functions. When you eat thiamine-rich foods, they help the body convert carbohydrates to energy, which is important for your metabolism, focus and overall strength. It also plays a role in healthy liver function and is needed for healthy skin, eyes, hair and nails.” Click Top 15 Thiamine Foods + 6 Benefits & Recipes – Dr. Axe for the rest of the article.