Why do nutrient requirements vary from person to person?

Nutrient requirements vary between individuals according to, for example, age, gender, level of activity and health. The ways in which people meet these requirements also vary. There is no ideal or universal dietary pattern and the body is wonderfully adaptive.

Are nutritional needs the same for everyone?

There are some similarities between the nutritional needs of adults and children. Everyone needs the same basic types of nutrients – vitamins, minerals, proteins, carbohydrates and fat. Depending on age, however, children need these nutrients in different amounts.

Do all people have the same daily requirements for nutrients and calories?

Daily requirement Not everybody needs the same number of calories each day. People have different metabolisms that burn energy at different rates, and some people have more active lifestyles than others. The recommended intake of calories per day depends on several factors, including: overall general health.

What factors do energy and nutrient requirements depend on?

Energy requirement depends on age, gender, body weight and activity level: e.g. a saleslady with 56 kg body weight, mostly standing during work, needs about 2000 kcal a day. Body weight is associated with energy balance. If energy intake is higher than energy expenditure, body weight will increase.

What are the factors that determine nutrient requirements of an individual?

Some of the most important factors are:

• Genetics and gender.
• Dietary energy concentration.
• Environmental temperature.
• Health status.
• Stocking density.
• Feeding strategy and degree of competition for feed.
• Variability of nutrient content and availability in ingredients.

How might the nutritional needs of older people differ from those of younger people how are their needs similar?

Older adults need the same nutrients as younger people, but in differing amounts. As you get older, the number of calories needed is usually less than when you were younger. This is because basic body processes require less energy when there is a decline in physical activity and loss of muscles.

Which vitamin or mineral does not need to be listed on the nutrition facts panel?

Micronutrients. The old nutrition facts label listed the amounts of several important vitamins and minerals, including calcium, iron, and vitamins A and C. However, vitamins A and C are no longer required to be listed on the new nutrition facts label.

Why is the RDA important?

Recommended Dietary Allowances (RDAs) originated in 1943 during World War II with the objective of providing standards to serve as a goal for good nutrition. The RDA helped to account for the various dietary essential nutrients necessary for people of different ages and gender.

What are the factors affecting in the formulation of RDA?

Biological factors include age, gender, growth, disease states, and genetic makeup. Among the nonbiological factors, socio-economic status is the most important.