Dietary Requirements Of Protein
Protein provides the body with approximately 10 to 15 of its dietary energy and it is the second most abundant compound in the body following water.
Dietary requirements of protein. Dietary protein requirements for older athletes master athletes 40 years and over can attain similar levels of fatigue resistance muscle mass strength and power to younger individuals. Older adults have significantly increased protein needs as well up to 50 higher than the dri or about 0 45 0 6 grams per pound 1 1 3 grams per kg of body weight 23 24. An individual s daily protein requirement depends on several factors including. Dietary requirements of protein.
Dietary factors that affect protein turnover nitrogen balance include protein quality and amino acid composition protein digestibility and the energy density of the diet. Nobody seems to agree on how much protein we can eat. Athletes may require protein for more than just alleviation of the risk for deficiency inherent in the dietary guidelines but also to aid in an elevated level of functioning and. In addition an animal s activity level physiological state and prior nutritional status can all influence protein requirement as determined by nitrogen balance whole.
This helps to delay the onset of many adverse health events associated with normal ageing. The main belief behind the large quantities of dietary protein consumption in resistance trained athletes is that it is needed to generate more muscle protein. The recommended dietary allowance rda for protein is a modest 0 8 grams of protein per kilogram of body weight. Experts from industry government agencies diet companies and nutritional organizations have a varying list of assertions.
Department of agriculture and the u s. Food and nutrition board institute of medicine national academies. Department of health and human services recommend the following daily amounts of protein for. American journal of clinical nutrition may.
The rda is the amount of a nutrient you need to meet your basic nutritional requirements. To meet the functional needs such as promoting skeletal muscle protein accretion and physical strength dietary intake of 1 0 1 3 and 1 6 g protein per kg bw per day is recommended for individuals with minimal moderate and intense physical activity respectively.