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NAD+ / SIRT1: Associated with elevated NAD+ and SIRT1 activation in preclinical studies [2] [3]

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This is also the structure Novo Nordisk's own investigational semaglutide+cagrilintide combination used in REDEFINE 1 (Garvey et al., NEJM 2025) both components stepped in parallel through a 16-week ramp rather than introduced together at maintenance