Sea buckthorn seed oil provides more than 100 nutrients and bioactive substances, and many of them are considered immune building factors, such as linolenic acid, vitamins E, A, carotene polyphenols, flavonoids and trace elements including iron, copper, manganese, selenium, etc. Sea buckthorn seed oil is helpful in following aspects: 1) Protect liver 2) Speed up recovery 3) Improve immune system 4) Restore disturbed immune system 5) Strengthen the bodys resistance to disease.