Riboflavin is a B vitamin. It can be found in certain foods such as milk, meat, eggs, nuts, enriched flour, and green vegetables. Riboflavin is frequently used in combination with other B vitamins in vitamin B complex products.
embodied - possessing or existing in bodily form; what seemed corporal melted as breath into the wind- Shakespeare; an incarnate spirit; `corporate' is an archaic term. incarnate, bodied, corporal, corporate.
Essence (noun). a being; esp., a purely spiritual being. Essence (noun). the predominant qualities or virtues of a plant or drug, extracted and refined from grosser matter; or, more strictly, the solution in spirits of wine of a volatile or essential oil; as, the essence of mint, and the like.