Micro Ingredients Vitamin B2 Riboflavin 400mg per serving is a premium dietary supplement designed to promote energy production. Each package contains 240 tablets that are easy to swallow. This supplement is GMO-free, gluten-free, and dairy-free, making it suitable for various dietary needs. Riboflavin is an important enzyme cofactor necessary for energy production from carbohydrates, fats, and proteins. It also supports the body's natural defense mechanisms and detoxification systems by aiding in the regeneration of glutathione.