Popular brain supplement linked to shorter lifespan in men
A cohort and Mendelian randomization study of more than 270,000 people found higher tyrosine levels were associated with shorter lifespan in men. The authors report the effect could amount to nearly one year less life expectancy and note implications for tyrosine supplementation.
Why it mattersHigher tyrosine levels linked to shorter male lifespan in a 270,000-person MR study; reassess tyrosine supplement safety and trial priorities.