ZOE Science & Nutrition ZOE Science & Nutrition

Most replayed moment: The things hiding in your food? | Professor Marion Nestle

Aug 18, 2026 · 14m

Summary

Food policy expert Professor Marion Nestle joins Zoe Science & Nutrition to discuss the safety and regulation of food additives. She explains the US "GRAS" system, where companies largely self-regulate safety, contrasting it with Europe’s precautionary approach. The episode highlights concerns over artificial colorings and the lack of rigorous testing for thousands of unproven ingredients in ultra-processed foods.

Topics discussed

Introduction to food additives and ultra-processed foods History of FDA regulation and the GRAS standard Self-regulation: Companies assessing their own additives Challenges in conducting rigorous nutrition research US vs Europe: Precautionary principle and color additives Revoking GRAS status: The case of trans fats Color additives and potential links to child hyperactivity Cosmetic nature of color additives and industry pledges Cumulative effects of thousands of untested chemicals Prioritizing real food and improving school meals Sponsor segment: Zoe Daily 30 gut supplement
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