Because of the rich omega-3 fatty acids content. harp seal (Pagophilus groenlandicus) oil is a popular supplement that is packaged as pills in copyright and sold for medicinal purposes. although this practice is banned in the United States. Due to US regulations. https://www.bekindtopets.com/mega-grab-Freetress-Crochet-Braid-DEEP-TWIST-14-Inch-save-more/