Macronutrient Recommendations


A diet that is balanced in its macronutrient distribution can help reduce the risk of disease and foster lasting weight loss.

 

Essential nutrients are not limited to vitamins and minerals. The major macronutrient —protein, carbohydrate and fat—are also essential to nutritional health and well-being. But who decides how much of any nutrient is needed to prevent a deficiency, reduce disease risk or create a healthy diet?

 

macronutrients

Since 1941, the National Academy of Sciences has periodically gathered a large group of experts to review the latest science and make recommendations. Until the late 1990s, the recommendations were called the Recommended Dietary Allowances (RDAs). With the latest update of these recommendations, the term Dietary Reference Intakes (DRIs) has been used.

Macronutrient Recommendations
The DRIs are a set of nutrient-based values that can be used to evaluate how “nutritious” a diet is.1 These include2:

  • Estimated Average Requirement
  • Recommended Dietary Allowance
  • Adequate Intake
  • Tolerable Upper Intake Level
  • Estimated Energy Requirement
  • Acceptable Macronutrients Distribution Range

Acceptable Distribution

A key component of the recommendation for macronutrients is how they are distributed in the diet; in other words, the percent of calories coming from protein, carbohydrate and fat. The DRIs express this distribution as the Acceptable Macronutrient Distribution Range or AMDR.

Acceptable  Distribution Ranges for Adults (as a percentage of Calories) are as follows:

  • Protein: 10-35%
  • Fat: 20-35%
  • Carbohydrate: 45-65%

According to the NAS, the AMDR is the range associated with reduced risk for chronic diseases, while providing essential nutrients like vitamins and minerals. People whose diet is outside the AMDR have the potential of increasing their risk of developing a disease of nutritional deficiency.

A diet that is balanced in its macronutrient distribution is recommended for lasting weight loss because unbalanced nutrient profiles may increase the risk of adverse health consequences



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Essential Nutrients