Childlife pure dha provides concentrated dha in a tasty, easy to use, naturally flavored soft gel that can be chewed or swallowed. Our dha is sourced from the purest fish oils available. The contents of each capsule are tested for any contaminants, pcb's, dioxins, metals, mercury, or other toxins, and exceeds the highest standards for purity. Our gelatin is derived from fish most other brands use pork or beef gelatin. Dha plays a vital role in how well a child's brain can grow and function. Up to 60 percent of the human brain is built from, runs on, and is constructed from essential fats and oils. Dha continues to be the most prevalent and vital nutrient within these oils for supporting healthy brain function and development.