The vegan organisation, inSpiral, recently asked me to write an article for them on the genetic variation that results in up to 55% of people not being able to efficiently convert beta carotene to vitamin A! Vitamin A is needed for healthy skin and hair, digestion and immunity, as well as for good eye health and vision. Beta carotene is found in many brightly coloured fruits and vegetables but vitamin A (retinol) is found only in animal products such as fish, eggs, liver and dairy. Read more
