Who Developed the 40/30/30 Rule and What is It?
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4 min read
First popularized by biochemist Dr. Barry Sears in the 1990s, the 40/30/30 rule is a dietary plan based on a specific macronutrient ratio of carbohydrates, protein, and fat. This approach became the foundation for his best-selling 'Zone Diet' and aims to regulate insulin levels and control inflammation.