📌 Mineral requirements vary according to age, sex and physiological conditions such as pregnancy, growth and disease.
Macro-elements exceed 100 mg/day, whereas trace elements remain below 100 mg/day.
1. Which characteristic best defines minerals in human nutrition?
2. How do macro-element and trace-element intake recommendations differ?
3. Why might a pregnant person require a different mineral intake from a nonpregnant adult?
What are minerals in human nutrition?
Essential inorganic elements needed for body function.
Do minerals provide energy to the body?
No, minerals do not provide energy.
What roles do minerals play in the body?
They have structural, functional, and regulatory roles.
Which elements are classified as macro-elements?
Calcium, phosphorus, magnesium, sodium, potassium, and chlorine.
What is the intake threshold distinguishing macro-elements from trace elements?
100 mg per day.
Which elements are considered trace elements?
Iron, zinc, copper, iodine, fluoride, selenium, and manganese.
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