The FDA currently prohibits adding cannabidiol to food and beverages.
"We are open to bringing CBD-infused ice cream to your freezer as soon as it's legalized at the federal level," the company said in a press release.
CBD is sold legally in other forms, but unlike marijuana products, it does not cause people to get high. It comes from the cannabis plant hemp.
Ben & Jerry's has submitted a comment in support of legalization. The public comment period for the FDA runs through July 2, 2019. Comments can be made online.
Ben & Jerry's wants to use sustainably-sourced CBD from its home state of Vermont.