U.S. dietary guidelines overhaul prioritizes whole foods—but can Americans afford it?

New dietary guidelines for the U.S. were released in January 2026, marking a shift towards whole foods. Health Secretary Robert F. Kennedy Jr. announced the updated advice, which now promotes meat, eggs, full-fat dairy and natural proteins. However, while the rules exist, critics argue they have yet to be properly put into practice.

The so-called 'RFK Diet' also discourages sugar, processed foods and excessive carbohydrates. Despite the official backing, questions remain over affordability and real-world adoption.

The 2025-2030 Dietary Guidelines, published by the Department of Health and Human Services (HHS) and the USDA, were designed to shape food programmes across schools, hospitals and food banks. Early estimates from the agriculture secretary suggested the diet could cost as little as $3 (€2.50) per meal. Later, that figure was adjusted to $15.64 (€13.18) per day.

One writer decided to test the diet for a week, sticking to a $15 (€13) daily budget. Their experience highlighted how personal beliefs, social status and even political views can influence food choices. While the guidelines exist on paper, sources have called for policymakers to turn them into concrete actions.

Programmes like SNAP and WIC are expected to reflect the changes, but implementation remains slow. The focus on whole foods represents a major departure from previous advice, which often included more processed options.

The updated guidelines prioritise natural, nutrient-dense foods, yet their real-world impact depends on further government action. With affordability still a concern, the success of the 'RFK Diet' will hinge on whether it can be made accessible to all. For now, the rules stand as recommendations rather than enforced changes.