how many mg of iron supplements should i take?
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For the treatment of iron deficiency anemia in adults, 100 to 200 mg of elemental iron per day has been recommended. The best way to take the supplement so that you absorb the greatest amount of iron is to take it in two or more doses during the day. However, extended-release iron products may be taken once a day.
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Iron is not made in the body and must be absorbed from what you eat. The adult minimum daily requirement of iron is 1.8 mg. Only about 10 to 30 percent of the iron you consume is absorbed and used by the body. The daily requirement of iron can be achieved by taking iron supplements.
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The amount of iron prescribed by your doctor will be in milligrams (mg) of elemental iron. Most people with iron deficiency need 150-200 mg per day of elemental iron (2 to 5 mg of iron per kilogram of body weight per day). Ask your doctor how many milligrams of iron you should be taking per day.
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– It usually takes 2 to 3 weeks of taking regular iron supplements before your symptoms start to improve. – You may need to keep taking iron for several months to build up your iron reserves and keep your anemia from returning.
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At high doses, iron is toxic. For adults and children ages 14 and up, the upper limit -- the highest dose that can be taken safely -- is 45 mg a day. Children under age 14 should not take more than 40 mg a day.
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EPO supplements are best taken with a meal. The average dose is 500 milligrams per day — if your supplement's dosage is higher than this, make sure you confirm the dosage with your doctor before use. When trying a new supplement, it's best to start with a lower dose and gradually work your way up to the standard dose.
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According to the National Institutes of Health's Office of Dietary Supplements, healthy adult men should generally consume 400 to 420 milligrams (mg) of magnesium daily. Healthy adult women should consume 310 to 320 mg daily. Pregnant women are recommended to consume a higher dose than women who aren't pregnant.
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The RDA for iron is 8 mg/day for adult men and for post-menopausal women and 18 mg/day for pre-menopausal women. Vegetarians (including vegans) may need up to 1.8 times more iron. Note that the top iron sources are vegan.
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Most people should be able to get all the iron they need by eating a varied and balanced diet. If you take iron supplements, don't take too much as this could be harmful. Taking 17mg or less a day of iron supplements is unlikely to cause any harm. But continue taking a higher dose if advised to by your GP.
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Taking more iron than your body needs can cause serious medical problems. Blood counts return to normal after 2 months of iron therapy for most people. You may need to continue taking supplements for another 6 to 12 months to build up the body's iron stores in the bone marrow.
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During pregnancy the maternal body requirement for iron increases to approximately 1000 mg on average. Of this 350 mg is associated with fetal and placental growth, 500 mg with expansion in the red cell mass and 250 mg with blood loss at delivery.
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They also need to get enough vitamin C, which helps the body absorb iron from food. The USDA recommends that women between the ages of 19 and 50 get 18 mg of iron a day, while women ages 51 and older and men 19 years and beyond need 8 mg a day.
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The Recommended Dietary Allowance (RDA) for iron is eight milligrams (mg) per day for females ages 9 to 13 years, and 15 mg per day for females ages 14 to 18 years. Iron deficiency in teenage girls is common, easily diagnosed and easily treated. Your daughter should be fine.
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Recommended doses of magnesium supplements are 200–400 mg per day, depending on the brand. This means that a supplement can provide you with 100% or more of the reference daily intake (RDI).
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As reported by Livestrong, a one-time overdose of iron can kill you. The limit for iron intake is put at around 20mg of elemental iron per kilogram of body weight. Any more than this and a person may experience abdominal pain, persistent vomiting, rapid breathing, and coma.
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Kids ages 4–8 years need 10 milligrams while older kids ages 9–13 years need 8 milligrams. 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.)
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The recommendation for the general female premenopausal population is 18 mg of iron per day. Lilienfield suggests that should be higher — in the range of 20 mg or higher — for female athletes. “I would recommend that female endurance athletes get screened so they can see if they need iron supplementation,” Clark said.