Iron Supplements for Women’s Health: Benefits, Deficiency Signs & Daily Needs

What Does Iron Do for A Woman’s Body

Women typically need more iron than men because iron deficiency can be caused by menstrual bleeding and hormone shifts during pregnancy. Iron plays a role in healthy pregnancy as well.

That’s because a growing fetus demands more resources such as iron and oxygen to develop properly. Iron also plays a role in hair resilience which is why some iron-deficient women exhibit exacerbated hair loss.

Iron deficiency may also cause chronic fatigue which is why it has been purported that this mineral is especially important for women during their reproductive and developmental years.

Proper iron levels can ensure adequate physical and mental energy during these crucial phases of a woman’s life.

Why Do Women Need More Iron?

Adult women typically need more iron than men because the menstrual cycle can be particularly draining on a woman’s iron levels. Plus, the fatigue that is naturally caused by hormonal shifts can be exacerbated due to low iron levels in women.

Iron also plays a role in many basic and vital processes regarding women’s health including:

• Red Blood Cell Production: Iron is needed to produce hemoglobin, the key protein that makes up healthy red blood cells.
• Oxygen Transportation:Iron also ensures proper oxygen uptake in the blood cells which helps get oxygen to the muscles and other bodily tissues
• Energy Metabolism:Too little iron can inhibit mitochondrial function which may result in limited energy expenditure [Ref].
• Cognitive Function:Some studies have shown that iron deficiency can cause complications in brain development and that it may have a neuroprotective effect [Ref].
• Immune Function:Another of the iron benefits for females is that affects immune function. Some medical authorities believe that iron is essential for the development of immune cells and therefore pivotal for immune response.

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Signs and Symptoms of Iron Deficiency

Luckily, there are some typical and noticeable signs of iron deficiency. For instance, shortness of breath may be a sign that you are iron deficient. Physical symptoms such as brittle nails and hair loss have also been observed in iron-deficient women.

As iron affects energy expenditure and oxygen uptake in blood cells, you may also experience chronic fatigue if you have low iron levels. Some less obvious symptoms may include:

• Persistent fatigue & weakness
• Shortness of breath with minimal exertion
• Pale skin, brittle nails, hair thinning
• Restless legs, frequent headaches, cognitive fog
• Pica (nonfood cravings) in some cases

Causes of Iron Deficiency in Women

Unfortunately, there are various reasons why a woman might become iron deficient. Luckily, they are well-understood and the condition can be avoided with the proper measures. Here are some of the most common causes:

• MenstruationBlood loss during menstruation can be very taxing for iron levels as they are depleted.
• Pregnancy and ChildbirthAs the fetus develops, it draws more resources from a woman’s body. This typically includes iron which is why deficiency is common among pregnant women.
• Inadequate Dietary IntakeOf course, not getting enough iron in your diet to begin with can easily set you up for iron deficiency. Iron rich foods include: Eggs, red meat, spinach, tofu, seafood, and beans to name a few. Vegans and vegetarians are at a higher risk of developing an iron deficiency.
• Medical ConditionsMedical conditions like arthritis, liver disease, kidney disease, and atrophic gastritis can all cause a serious loss of iron.

Dr. Thomas DeLoughery, M.D., M.A.C.P., a professor of medicine in the Divisions of Hematology/Oncology and Laboratory Medicine at OHSU, was quoted saying, “Anywhere from 33 percent to 80 percent of female athletes are iron deficient.”

You can also read: Iron Supplements for Vegans

The Benefits of Iron Supplements for Women

As with most supplementation, there is a time and place when it is appropriate. If it is difficult to get enough iron in the diet, or if an individual's iron deficiency is so severe, then supplementation can be helpful.

There are a handful of different types of supplementation - ferrous sulfate, ferrous gluconate, ferrous citrate just to name a few. In addition to this, they can come in a variety of forms such as a capsule, pill, liquid, and IV.

Iron supplements for women can also provide a boost of physical energy as the blood cells are able to take more oxygen freely to the muscles.

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Types of Iron Supplements

The best iron supplement for women will depend greatly on the kind of iron utilized as different kinds hold different benefits. Let’s take a look at the different kinds of iron supplements, their benefits, and their shortcomings:

Ferrous Sulfate Iron

Ferrous sulfate iron has demonstrated the ability to replenish depleted iron reserves in some clinical tests. That’s why it is sometimes used to treat anemia and generaliron deficiency [Ref]. However, it may cause side effects like cramps, digestive complications, and constipation.

Ferrous Gluconate Iron

This form of iron may be very bioavailable and absorbed well into the body. You can get it in a variety of forms including liquid and tablets. It may also address low iron levels. However, ferrous gluconate may contain lower concentrations of elemental iron than other forms.

Ferric Citrate Iron

Ferric citrate may be beneficial for people who have or who are at risk of developing kidney problems as it may help to process excess phosphorus. However, it can also cause constipation and stool abnormalities.

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How Can Iron Absorption Be Improved When Taking Supplements?

• Morning before breakfast.
• If iron troubles your tummy, pop it with a small snack.
• You could also enhance absorption of iron by consuming your supplement along with something containing vitamin C, such as an orange juice or a strawberry.
• Do not consume your iron supplement with dairy products or food that contains calcium as it reduces absorption of iron.
• Coffee and tea interfere with the absorption of iron and it's best to avoid them when taking the supplement.
• Iron supplementation can work better by adjusting the timing and diet.

How Much Iron Per Day for a Woman?

So how much iron per day for a woman is needed for optimal health? The optimal amount changes in different stages of a woman’s life [Ref]. For instance, non-pregnant adult women should get about 18 mg per day.

Women above the age of 50 should try for about 8 mg per day. Pregnant women need the most and it is recommended that they intake about 27mg per day. Breastfeeding women should get around 9-10mg per day.

Also Read - How Much Iron Should You Be Getting Daily?

What Are Some Iron-Rich Foods?

If you suspect that you aren’t getting enough iron in your diet, you may want to schedule an iron test with your doctor. If you want to increase your iron levels without injections or supplements, try eating iron-rich foods which include:

• Legumes
• Red meat
• Beef
• Pork
• Clams
• Eggs
• Pumpkin seeds
• Tofu
• Spinach
• Tuna
• Kale
• Green beans
• Collards
• Green peas
• Raisins
• Broccoli
• Cashews
• Lentils
• Leafy green vegetables

Read More - Best Vitamins for Women in Your 20s or 30s

How to Take Iron ?

• Test: request ferritin + CBC before starting.
• Choose: pick an iron form (bisglycinate if GI sensitive; ferrous sulfate for repletion if tolerated).
• Dose: follow label or clinician prescription (use RDA and repletion dosing guidance).
• Time: take with vitamin C, avoid calcium/tea/coffee around dose.
• Monitor: retest ferritin after 8–12 weeks and adjust.

Who Should Test / When?

• Women with heavy periods, fatigue, or hair loss.
• Pregnant women at first prenatal visit and mid-pregnancy as recommended.
• Vegetarians/vegans and endurance athletes.
• People with GI disease, prior gastric surgery, or chronic blood loss.

Checklist for Buyers

• Choose the right iron type (ferrous sulfate, gluconate, citrate).
• Ensure third-party testing for purity.
• Opt for bioavailable forms like ferrous gluconate.
• Watch for side effects like constipation.
• Verify dosage aligns with your needs.
• Look for added vitamin C to enhance absorption.
• Read reviews and ensure the brand's reputation.

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Customer Testimonials

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Conclusion

Women need to pay extra-close attention to their iron levels because the simple fact is that they are much more susceptible to iron deficiency than men. Iron is especially important for women because it gets considerably drained during menstruation and pregnancy.

Iron is also important to proper fetal development and cognitive performance. Keep an eye out for iron deficiency symptoms, see your doctor regularly, and eating iron-rich foods in the diet can help to maintain your iron levels in the healthy range.

If you stay mindful of your health, diet, and lifestyle, you can avoid iron deficiency and live your best life as a happy, healthy woman.

Before taking an iron supplement, ask to speak with your doctor and a registered dietitian to see what type of supplement and the recommended dose is best for you.

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