** Shares of medical device and supplement maker GHSI.O
jump 6% to 53 cents premarket; among most heavily traded stocks
across U.S. exchanges
** Company's liquid formula Lumega-Z helped restore visual
function by providing significantly higher blood concentration
levels of carotenoids- a type of pigmentation urn:newsml:reuters.com:*:nGNX8LYPw6
** The formula was tested in a study in comparison to
current standard of care, AREDS 2 soft gel supplement
** GHSI says higher blood concentration levels of
carotenoids helps in slowing the progression of macular
degeneration, an eye disease
** Stock more than doubled in value this year, as of
Monday's close
(Reporting by Trisha Roy in Bengaluru)
((Trisha.Roy@thomsonreuters.com; within U.S. +1 646 223 8780,
outside U.S. +91 80 6182 3635;))