The Hut Group’s sales jumped 35% to £334m in 2015, while EBITDA increased 33% to £30m.
International sales soared 46% to £167m for the year to December 31, and now account for 50% of total sales.
Own brands also showed “strong growth” and now represent 52% of revenue.
During the year the business continued to invest and completed its £120m 1 million sq ft distribution and nutrition production centre at Omega, Warrington.
The Hut Group invested £12m in its technology platform and 22 trading websites were launched during the year, taking the total to 72.
The business ended the year with a cash position of £141.5m, compared to £54.6m in 2014.
Total online visits in 2015 increased 29% year-on-year with 324 million total website visitors. Total unique customers increased 27% to 8.2 million, while international retail visits grew 36% to 115 million.
Matthew Moulding, chief executive of The Hut Group, said: “It has been a landmark year for The Hut Group as we develop into a truly global business and major British export success. Our target of becoming the World’s number one in online health and beauty is now firmly in our sights and we have stepped up our investment in people, technology, logistics and marketing to support the significant global potential of the business.”