I doubt that multivitamins increase mortality. I’m guessing that people who take them are more likely to have pre-existing health conditions and are more likely to die earlier with or without the vitamins.
They held that variable
People who consume more retinol have more bone problems.
Retinol Intake and Bone Mineral Density in the Elderly
https://academic.oup.com/jbmr/article-abstract/17/8/1349/7592186