micronutrients and performance enhancing supplements Flashcards
1
Q
mirconutrients: vitamins
A
-organic substances that are not produced in the body
-needed in small amounts
-unique role in many energy producing reactions
-riboflavin, niacin (important for FAD and NAD+, fat soluble,carriers taking H+ from krebs to electron transport), B6, B12, pantothenic acid (important for proper metabolism of macronutrients/water soluble)
-coenzymes
-
2
Q
minerals
A
-various metabolic reactions and physiologic processes require minerals
-major minerals include: calcium, phosphorus, potassium, magnesium
trace minerals: iron, zinc, copper
3
Q
water balance
A
- carrying nutrients and waste products
- maintaining integrity of proteins and glycogen
- participating in metabolic reactions
- serves as a medium for nutrients
- maintains blood volume, blood pressure, and temp
- approximately 1.4-3.0 L of cumulative water loss occurs daily
- depends on foods, environment, and activity level
- recommended daily intake is 3.7 and 2.7 L/day for men and women respectively
- consume 1 pint 2 hours prior to activity