The government wants you to eat more butter. Here's how we got here.

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• Full-fat dairy, including butter and milk, is a key part of the new Dietary Guidelines for Americans.
• Dairy has had a glow-up in recent years after being outshone by plant-based alternatives like oat milk.
• Guidance to eat three servings of full-day dairy daily contradicts established health advice.

Dairy started to roar back into fashion in 2025 — and if the Trump administration's new dietary guidelines are anything to go by, it could be about to reach new heights.