March 24, 2026

The Grocery Store Shortcut Most People Miss

One of the simplest ways to improve what you eat is to focus on single-ingredient foods when you shop.

Single-ingredient foods are foods you can name without reading a label: vegetables, fruit, beans, oats, rice, fish.

They don’t require health claims or marketing because they are what they are.

Most packaged foods, by contrast, are combinations of refined flour, oils, added sugars, and flavoring agents designed to make the food easy to overeat. 

A useful rule in the grocery store is this:

  • If a food doesn’t need an ingredient list, it’s usually a good default choice.
  • If it does have an ingredient list, it should be short and made mostly of foods you recognize and would buy yourself.

This approach doesn’t require elaborate cooking or perfection.

It simply reduces how often you bring foods home that make eating harder to regulate.

—Keith

KeithAHerman.com

If you have questions or topics you’d like me to address in future emails, you can reply to this message. I read and respond personally to all replies.

Keith A. Herman is the founder of the Expert Diet Project, an initiative dedicated to correcting health misinformation by spotlighting the advice of the real experts.

The Eat Like an Expert Newsletter, the Health & Well-Being Journal, and Keith’s upcoming book, Eat Like an Expert, are all part of the Expert Diet Project. The book is scheduled for release in 2026.

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