** Shares of drugmaker Niagen Bioscience NAGE.O rise 3.3% to $5.28 premarket
** Co says it secured a new U.S. patent covering intravenous and injectable versions of its NAD+-boosting ingredient, Niagen
** Niagen is a form of nicotinamide riboside, a vitamin B3 derivative used to raise NAD+ levels, which helps support cellular energy and repair, per co
** Co says patent protection runs to 2044 and gives exclusive rights to offer faster and more comfortable NAD+ infusions at clinics
** Niagen IV is already offered at more than 1,200 clinics; co says new formulation delivers NAD+ more efficiently with fewer side effects, co says
** Shares up ~20% in 2025
(Reporting by Sahil Pandey in Bengaluru)
((Sahil.Pandey@thomsonreuters.com))