A specialized nutritional strategy focused on preferentially directing consumed energy substrates and macronutrients towards desired tissues, such as muscle and bone, while minimizing storage in adipose tissue. This partitioning is primarily achieved by modulating key metabolic hormones, especially insulin and its sensitivity, to optimize body composition and metabolic efficiency. It is a core principle of advanced body composition management.
Origin
This term combines the specific focus, “targeted,” with the dietary components, “nutrient,” and the metabolic process of distribution, “partitioning.” It originates from animal science and is now a key concept in human metabolic health, particularly in the context of sports nutrition and body recomposition.
Mechanism
The mechanism relies on enhancing insulin sensitivity in muscle and liver tissues while potentially reducing it in fat cells, effectively shifting the metabolic fate of glucose and amino acids. This is often achieved through specific dietary composition, timing of nutrient intake, and the use of insulin-sensitizing compounds, leading to greater muscle protein synthesis and improved glucose homeostasis.
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