Why MAHA Adviser Calley Means Left the Trump Administration: A Timeline

Calley Means, a top adviser to Health Secretary Robert F. Kennedy Jr. and a leading voice of the Make America Healthy Again, or MAHA, movement, resigned from the Trump administration on Thursday. The departure comes less than two weeks before the midterm elections, at a time when some of the movement's own supporters say the administration has not delivered on food and environmental health promises.

In a statement, Means said he left with great respect for President Donald Trump and Kennedy. According to ABC News, he did not say why he was leaving. NBC News reported that a person familiar with the decision said Means had grown frustrated by how little he could accomplish in Washington.

How the frustrations built up

• April: ABC News reported that Kennedy had promised the first release of a government definition of ultraprocessed food that month. Instead, FDA acting commissioner Kyle Diamantas told a conference that defining the category was really hard. Around the same time, NBC reported, Trump picked Dr. Nicole Saphier as his new surgeon general nominee, after Means' sister, Casey Means, faced scrutiny over her lack of an active medical license and past comments questioning the safety of vaccines and birth control.
• June: The Supreme Court ruled that Bayer, which makes Roundup, did not need to warn consumers about a potential cancer risk linked to the product, NBC reported. The Trump administration had backed Bayer in the case, a setback for the MAHA cause on pesticides.
• August: Kennedy's staffers again suggested an announcement on ultraprocessed food was close, ABC reported, but the announcement instead proposed greater scrutiny of food additives and mentioned ultraprocessed foods only in passing. NBC said the administration teased a definition but has not released one.
• Earlier this month: According to NBC, some MAHA supporters, including former members of Kennedy's presidential campaign, accused the administration of breaking nearly every promise made to them on food, agriculture and environmental health.
• Thursday: Means announced his resignation.

What Means and the White House said

Means said in his statement that the past two years had brought historic policy and cultural change in confronting chronic disease. He said the movement is only getting started, describing it as being "in the first inning." He pointed to several wins during his tenure, according to NBC: limits on soda purchases through the Supplemental Nutrition Assistance Program, faster research and review of psychedelics, efforts to get food companies to voluntarily phase out certain dyes, and an overhaul of the federal dietary guidelines to recommend less ultraprocessed food and more protein.

White House spokeswoman Allison Schuster said the administration is grateful for his time and that he did a fantastic job for the movement. ABC News reported that a Health and Human Services representative did not respond to a request for comment. Kelly Ryerson, an activist who leads American Regeneration, told ABC she was impressed that Means completed more than two years at HHS fighting the food battle despite obstacles from corporate interests.

Policy clashes behind the departure

NBC News reported that the person familiar with Means' thinking described the lack of progress on a federal definition of ultraprocessed foods, one of his biggest priorities, as the final straw. The source also cited Trump's executive order to boost the supply of glyphosate, the key ingredient in Roundup, and EPA actions that clashed with Kennedy's agenda. NBC noted that the EPA has weakened mercury emissions standards and rolled back drinking water limits for certain PFAS chemicals, moves the MAHA movement has largely opposed.

ABC reported that Means frequently clashed with senior White House officials who worried about alienating the powerful food industry. It also said his focus on food frustrated other MAHA figures who wanted Kennedy to concentrate on what they call medical freedom, which for many means rolling back federal vaccine recommendations and approvals.

Why it matters for voters and consumers

For people who follow food and health policy, the key issue is that the federal definition of ultraprocessed food, which Means had prioritized, has still not been published. That definition would shape how the government approaches such products, and the delay is one of the main complaints from within the movement.

The timing also carries political weight. NBC reported that with less than two weeks until the midterms, some dissatisfied MAHA supporters have threatened to abstain from voting, while some Democrats are trying to make inroads with the movement in the final days of campaigning.

Around Prague, based on reporting by NBC News, ABC News