At a news conference, the scientists cited in particular the value of a genetically modified rice used to prevent some illnesses related to vitamin A deficiency in much of the developing world.
"Golden Rice" produces beta carotene in the grain, which rice does not do in the natural world.
The laureates called on Greenpeace specifically to stop opposing the grain, as well as related biotechnology that they say has a positive impact across the globe.
"The time has come that we now know these things are safe," Nobel laureate Sir Richard Roberts said. "The basic method does not lead necessarily to a bad thing."