What is the recommended dietary allowance (RDA) for protein for an average adult?

The recommended dietary allowance (RDA) for protein is set at 0.8 grams of protein per kilogram of body weight for the average adult. This figure is established based on the minimum amount of protein necessary to meet the nutritional needs of the majority of healthy individuals in a given population. The rationale behind this recommendation is rooted in research that indicates this level is sufficient to prevent deficiency and maintain optimal health.

Protein is essential for various bodily functions, including building and repairing tissues, forming enzymes and hormones, and supporting immune function. The RDA is designed to provide a general guideline that ensures individuals consume enough protein for these functions, considering factors like age, sex, and level of physical activity.

While some individuals, such as athletes or those with higher physical demands, may require more protein, the established RDA serves as a baseline that the average adult can use as a reference for their dietary intake.