(Sharecast News) - British sports nutrition outfit Science in Sport expects to trade in line with market expectations, having reported a hefty increase in full-year sales .Revenues shot up 36.54% to £21.3m, while underlying sales grew 27% to £19.8m.The AIM-listed group turned in a particularly good performance from its online wing, which reported a 29% improvement year-on-year to £11.2m and also saw the rapid pace of its international expansion continue with foreign sales jumping 55% to £6.8m.SIS credited its "ahead of sector norm revenue growth" to its expansion and delivery into the strategic markets of USA, Italy, Australia and China.Chief executive Stephen Moon said: "Our consistent strategy of investment in brand and innovation produced a strong performance in line with our expectations.""We remain committed to an omni-channel strategy, however our focus on the growth drivers of the SiS.com business and developing international markets produced exceptional results."As of 0910 GMT, SIS shares had picked up 2.71% to 54.95p.