Seabuckthorn International Inc. (SII) is a British Columbia registered corporation based in Peachland, British Columbia. SII is the primary source of high quality products produced from the berry, seed and leaf of the Seabuckthorn plant which is wholesaled and retailed internationally into the nutraceutical and cosmeceutical markets. Canada Seabuckthorn Enterprises Ltd. (CSEL), the forerunner of SII, was the first company in North America to actively engage in the growing, development, manufacture and sales of the products derived from components of the Seabuckthorn plant.

The business of SII is to provide a range of products derived from the Seabuckthorn plant. The products, which include seed oil, berry oil, berry juice and powder, soaps, teas, beverages, creams, shampoos, sunscreens, etc., all utilize the unique characteristics of the seabuckthorn plant.