Why does a 15 year old female need more iron than a 15 year old male?

Women need more iron than men to make up for the amount of iron they lose in their menstrual period. Around 1 mg of iron is lost for every day of bleeding. Iron deficiency is the most common nutrient deficiency in women.

How much iron should a 15 year old male?

How much iron do children need?

Age group	Recommended amount of iron a day
4 – 8 years	10 mg
9 – 13 years	8 mg
14 – 18 years, girls	15 mg
14 – 18 years, boys	11 mg

How much iron should a 15 year old have a day?

Teen boys should get 11 milligrams of iron a day and teen girls should get 15 milligrams. (Adolescence is a time of rapid growth and teen girls need additional iron to replace what they lose monthly when they begin menstruating.)

How much iron should a 15 year old girl?

Iron Intakes and Status The average daily iron intake from foods and supplements is 13.7–15.1 mg/day in children aged 2–11 years, 16.3 mg/day in children and teens aged 12–19 years, and 19.3–20.5 mg/day in men and 17.0–18.9 mg/day in women older than 19.

Why does a boy need more energy than a girl?

Because men generally have an overall larger body (both height and weight) and greater muscle mass than women, they also have increased caloric needs compared to women.

Why do male teens need more calories than female teens?

Caloric requirements vary according to age, sex, activity level, and genetics that establish the body’s metabolism (the rate at which the body burns calories). In general, guys need to eat more than girls during adolescence, and more active youth need to eat more than less active youth.

Why do teenage boys need more iron?

As teens grow, their muscle mass increases and blood volume expands, increasing their need for iron, so the recommendation jumps to 15 milligrams of iron daily for girls ages 14 to 18, and 11 milligrams daily for boys ages 14 to 18.

Why does a teenage boy need iron?

Iron is a mineral that helps build red blood cells, which is especially important for growing teens. Most importantly, iron helps your blood cells carry oxygen, which provides energy throughout the body.

Should a 15 year old take iron pills?

Teen boys, ages 14 to 18, should get 11 milligrams of iron a day, while teen girls of the same age should get 15 milligrams a day. If a girl’s monthly period is heavy, she may need more.

Why does a teenager need iron?

Adolescence is a time of increased iron needs because of the expansion of blood volume and increases in muscle mass. Young women are at particular risk for the development of iron deficiency due to menstrual blood loss.

Why do teenage boys eat more than girls?

Since teen boys are physically bigger and have more lean muscle mass, their calorie needs are higher than those of teen girls. The Dietary Guidelines for Americans estimates that while teen girls ages 14 to 18 require 1,800 to 2,400 calories daily, teen boys in the same age range need 2,000 to 3,200 calories a day.