Federal officials on Wednesday released a far-reaching proposal to make cigarettes far less addictive by capping their nicotine content, a goal long sought by antismoking advocates that is unlikely to go into effect anytime soon.

Zeller credited Gottlieb for advocating for the nicotine regulation within the Trump White House, after the Obama administration had fallen short. Obama officials had promised Zeller they would back rules to curb nicotine and menthol.

The Food and Drug Administration (FDA) is seeking to curb the level of nicotine that cigarettes and other combusted tobacco products can contain.