http://www.sciencemag.org/news/2019/11/bangladesh-could-be-first-cultivate-golden-rice-genetically-altered-fight-blindness

A serving of golden rice contains half the beta-carotene children need daily.

Soon. That has long been scientists' answer when asked about the approval of golden rice, a genetically modified (GM) crop that could help prevent childhood blindness and deaths in the developing world. Ever since golden rice first made headlines nearly 20 years ago, it has been a flashpoint in debates over GM crops. Advocates touted it as an example of their potential benefit to humanity, while opponents of transgenic crops criticized it as a risky and unnecessary approach to improve health in the developing world.