NFS284H1 Lecture Notes - Lecture 4: Nutrient
20 Feb 2015
School
Department
Course
Professor
Document Summary
Tolerance upper intake level (ul): highest level of habitual nutrient intake that is unlinkely to pose a risk of adverse effects. Eg. if ul is 1, you can safely consume 1g of a nutrient daily without adverse effects. Ul is not recommended level of intake. Because of the popular use of supplements adverse effects are possible. When energy content of food consumed is equal to energy content expended for metabolism and physical activity = weight is unchanged (balance) When energy content is greater than energy expended = weight gain (positive balance) When energy content is less than energy expended = weight loss (negative balance) Energy prefers to be preserved than expended. Men: eer = 662 - (9. 53 x age (y)) + pa x (15. 91 x weight (kg) + 539 x height (m)) Sedentary: activities of daily living, less than 30 minutes of intentional activity/day. Low active: walking 30 min at 6. 5km/h a day.
