Actually only synthetic beta carotene and things like retinol are implicated.
Beta carotene comes in multiple forms—and it is widely recognised that the form in carrots and greens can’t be overdosed on—even if you make it into tablets. It does make your skin turn orange—but seems otherwise harmless.
There’s a broadly similar story for retinol—and scientists have known about this for quite a long time, now.
Actually only synthetic beta carotene and things like retinol are implicated.
Beta carotene comes in multiple forms—and it is widely recognised that the form in carrots and greens can’t be overdosed on—even if you make it into tablets. It does make your skin turn orange—but seems otherwise harmless.
There’s a broadly similar story for retinol—and scientists have known about this for quite a long time, now.