Association of dietary protein and amino acid intakes with all-cause disability-adjusted life years: cross-sectional analysis of the national health and nutrition survey in Japan.

Kazuko Ishikawa-Takata, Kazuki Fujiwara, Takayuki Tanaka, Keiji Nakamura, Hisamine Kobayashi, Shinobu Okada

Faculty of Applied Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo, 156-8502, Japan. [email protected] of Applied Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo, 156-8502, Japan. [email protected]. · pubmed

Paper

Abstract

Extension of healthy longevity is an important health program in long-lived countries like Japan. The Dietary Reference Intakes for Japanese 2025 established tentative dietary goals for the prevention of lifestyle-related diseases; however, the adequate macronutrient energy ratios in a diet to support longevity remain unclear, particularly for the protein content. This study aimed to evaluate the associations between protein or amino acid intakes and healthy aging in the Japanese population.

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Research summary

The paper claims that dietary protein and amino acid intakes are associated with all-cause disability-adjusted life years in the Japanese population. This research is relevant as it explores dietary factors that may influence healthy aging and longevity, addressing the macronutrient ratios that could support extended healthspan.

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