Why Your Spice Rack Is Your Best Health Tool with Penny Kris-Etherton and Kristina Petersen

Why Your Spice Rack Is Your Best Health Tool with Penny Kris-Etherton and Kristina Petersen

March 18, 2026 · 40 min · Episode 118

About this episode

The episode discusses the health benefits of herbs and spices and their impact on nutrition.

You already know that what you eat matters. But what about how you season it? Most of us reach for the salt shaker without a second thought, but hiding in your spice rack right now could be some of the most powerful, most overlooked tools in nutrition science. Join Holly and Jim as they sit down with two leading researchers from Penn State University, Dr. Penny Kris-Etherton, one of the most decorated nutrition scientists in the field of diet and cardiovascular health, and Dr. Kristina Petersen, a rising star whose cutting-edge research is changing how we think about flavor, behavior, and healthy eating. Together, they make a compelling case that herbs and spices are far more than a finishing touch. They may be a key to unlocking lasting health. From inflammation and blood pressure to gut bacteria and appetite, the science behind your spice cabinet is deeper than you ever imagined. And the best part? You don’t need to overhaul your entire diet to start benefiting. Discussed on the episode: The two “big buckets” of how herbs and spices impact your health and why both matter Why researchers are moving away from supplements and back to your kitchen cupboard (and the safety concern…

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