Understanding What is the 30-40-30 Rule?: A Deep Dive into the Zone Diet
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4 min read
Popularized by Dr. Barry Sears as the Zone Diet in the 1990s, the dietary strategy most commonly referred to as the **30-40-30 rule** is actually a macronutrient split of 40% carbohydrates, 30% protein, and 30% fat. This balanced approach aims to regulate insulin levels for sustained energy and better overall health.
