7 Reasons to Treat Low Ferritin Levels + Step-by-Step Treatment Guide

Ferritin is an indication of the amount of iron in storage in your body. 

Low ferritin levels are often associated with symptoms such as fatigue, shortness of breath, inability to exercise and even hair loss. 

Diagnosing and treating low ferritin is important because it can actually reverse these symptoms and improve quality of life. 

Having said that there are some tips you need to know before you start supplementing with iron...

How much is too much, should you use liquid over capsule form, how long should you take iron... etc. 

All of these questions and more will be answered in this post: 


Understanding the importance of Ferritin

Why is ferritin so important?

The reason is simple:

Ferritin is a marker of the iron stores in your body. And iron is responsible (and critical) to maintain energy levels, maintain thyroid function, promote proper hair growth and so much more.

That means managing your ferritin level becomes very important, especially if you have any of these symptoms (we will go over a full list of symptoms below). 

Another important factor that shouldn't be overlooked is that most providers tend to ignore ferritin levels unless you have anemia.

But this begs the question:

Can you have low ferritin levels and not be anemic?

And the answer to this question is a resounding YES.

​Because of this, many patients with the symptoms of low iron tend to be ignored by physicians unless it is also accompanied by a low hemoglobin (this is termed anemia, or iron deficiency anemia). 

​The problem with this treatment paradigm is that many patients who are obviously symptomatic tend to get ignored when all they need is some iron supplementation to increase their ferritin. 

Signs & Symptoms

​Because iron is involved in so many processes in the body, the symptoms of low ferritin tend to be all over the map. 

By now maybe you already know if you have low ferritin (or maybe you are just suspicious that you do), in either event you should be tracking your symptoms as you treat to ensure that you are on the right track. 

Patients with low iron and low ferritin tend to present with 1 or more of the following symptoms:

Symptoms of low ferritin
  • Extreme fatigue and/or decreased energy levels (the loss of energy from low ferritin is usually constant and worse with exercise)
  • Inability to exercise or decreased exercise capacity
  • Symptoms of hypothyroidism (low iron mimics the symptoms of hypothyroidism and can be misdiagnosed)
  • Hair loss or inability to grow back new hair
  • Shortness of breath
  • Brittle or damaged nails

​Using this list above and combined with classic lab studies can give you an idea of your iron status (both iron storage and readily available iron in the serum). 

The good news is that these symptoms are reversed relatively quickly after supplementation with iron (which we will discuss below). 

Having said that it's important to consider this:

These symptoms of low iron/low ferritin are relatively broad - meaning more than one medical condition can share the same symptom.

This is both a good and a bad thing.

​It's good in the sense that if you replace your iron levels and you don't have completely resolution in your symptoms you know that you likely have some other problem. 

And bad in the sense that figuring out the root cause may be more complex and may take some more time. 

Understanding your Labs - the difference between low ferritin and sub optimal ferritin

There ​is a big difference between having low ferritin levels (obviously outside of the normal reference range) and having sub optimal ferritin levels (low on the reference range spectrum but still within "normal limits"). 

If you've read about my blog you will notice a few trends:

1) There is a big different between being optimal and being "normal"

2) Standard lab values aren't 100% accurate in establishing a diagnosis of nutrient deficiencies

3) It's important to use multiple factors when diagnosing nutrient deficiencies

​With this in mind let's apply these rules to low ferritin:

Optimal ferritin levels fall within the 30-40 ng/mL range. 

That means it's possible to still have ferritin levels in the low normal range and still be symptomatic.

Unfortunately the "reference range" includes all values between 10-154 ng/mL. 

If you fall below the 10 ng/mL then you are considered outside of the normal reference range and that is a "low ferritin" level. 

But you can also be in the low end of the range and sill be symptomatic.

For this reason I generally set the recommended level between 30-40 ng/mL as mentioned above.

Let's see an example of an obviously low ferritin level: ​

low ferritin lab tests
low ferritin with low hemoglobin lab tests

You can see from the example above that serum iron levels are low at 29, percent saturation levels are low 7 and serum ferritin levels are low at 9 ng/mL. 

This is a classic presentation for low iron and in this case it is also accompanied by low hemoglobin, a low hematocrit and a low MCV which is classic for iron deficiency anemia. 

​But recall from above that you can have low iron and low ferritin levels WITHOUT being anemic as well. 

Bottom line: You want your ferritin levels between 30-40 ng/mL, anything less is considered "suboptimal" and may be associated with the symptoms listed above. ​

Can you have low ferritin with normal iron?​

​Yes, it is entirely possible to have low ferritin levels with normal serum iron studies. 

This has to do with how iron is stored in the body.

Low iron studies patient case study

Your body used ferritin as the marker for the amount of iron in "storage". This should be compared to the serum iron which is readily available for use.

Your ferritin measures this "store" of iron, so low levels of ferritin indicates that your storage is low.

So it's possible to have low storage of iron, but adequate serum/blood levels of iron floating around. 

But here's the catch:

Adequate ferritin is still required for proper cellular function including proper thyroid function

This means that low ferritin levels but normal iron levels should still be treated. 

What about high ferritin but low iron?

This part can be somewhat confusing so let me explain:

Ferritin is a marker of iron stores in the body, so it would follow that high ferritin would mean you also have high iron in the body, right?

Well that is one potential cause of high ferritin, but it's not the whole story.

It turns out that ferritin is also an acute phase reactant.

That means ferritin may rise in the setting of inflammation.

So a high ferritin doesn't always mean high iron levels.

This is how some patients may have high ferritin (due to inflammation) but low serum iron levels (due to deficiency of some cause).

That's why it's always important to be evaluated with a full comprehensive set of labs that includes all iron studies, ferritin levels and inflammatory markers (including ESR & CRP). ​

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What causes it?

Knowing you have low ferritin is just the beginning. 

What is more important than knowing you have low ferritin is knowing WHY you have low ferritin to begin with. 

Low iron levels should not happen under normal physiologic conditions which means that something is in disarray if your levels are low. 

The most common causes of low iron/ferritin include:

  • Heavy bleeding (as is seen with a heavy menstrual flow or with heavy cycles)
  • Gastrointestinal malabsorption (This is a big cause and one we will discuss at length below)
  • Chronic internal bleeding (usually seen with gastrointestinal bleeding like gastric ulcers, polyps, etc.)
  • Autoimmune conditions like Celiac's disease (This disease usually causes intestinal damage which leads to malabsorption)

Some of these causes are easier to spot than others, so we won't focus on the easy ones. 

For instance:

You know if your menstrual flow is heavy. You most likely also know if you have some internal bleeding (gastric ulcer is usually accompanied with intestinal pain, etc.).

Instead I want to focus on the more sinister cause and least often diagnosed conditions that leads to iron deficiency and low ferritin levels: gastrointestinal malabsorption. 

I will go over this in more detail below because there are many GI related conditions that may contribute to malabsorption and it is critical to treatment because without reversing this condition your iron will repeatedly drop over time.

Now that you have a basic understanding of why ferritin is important, how to correctly identify and diagnose if you have low ferritin and what causes it - let's talk about the benefits to replacing ferritin levels... 

#1. Low ferritin = Decreased thyroid function​

​One of the biggest reasons to replace your ferritin levels is because of its impact on thyroid function. 

​It has been shown in many studies that low levels of iron impairs proper thyroid function

​And this makes sense, especially considering that many of the symptoms of low ferritin mimic the symptoms of hypothyroidism: decreased energy, hair loss, etc.

The good news is that replacing low iron levels should improve your thyroid function (assuming you had normal thyroid function to begin with). 

This information becomes very important if you have known hypothyroidism.

In this setting it is extremely important for you to have "optimal" levels of ferritin in your body to ensure proper thyroid hormone metabolism, conversion and production. ​

You can read more about the connection between iron deficiency and hypothyroidism here. ​

#2. ​Increases hair loss & Stop hair growth

What you may not realize is that iron plays a critical role in normal hair growth as well. 

In addition, low iron (and thus low ferritin) is an important cause of hair loss in pre menopausal women

This is very important because many cases of hair loss are attributed to "genetics" and/or "thyroid" related problems when in reality they may be due to low iron levels. 

Another study (of women of child bearing age without inflammation or other known conditions) showed that ferritin levels less than 30 ng/mL are strongly associated with telogen hair loss. 

This is another example showing the importance of "optimal" vs "standard" reference ranges. 

If you have a ferritin level less than 30 ng/mL and you are experiencing hair loss, then it would be worth considering iron supplementation (or at least discussing this option with your physician).

​While iron is very important for proper hair growth, other nutrients are also involved including zinc, selenium and L-lysine

​If you are experiencing hair loss then proper evaluation of iron studies, thyroid studies and other micronutrients is recommended. 

#3. ​Decreases energy levels

​One of the primary symptoms of iron deficiency is decreased energy levels or fatigue. 

This is felt to secondary to several factors:

Iron helps to carry oxygen to peripheral tissues and oxygen is required for proper metabolic energy production in the mitochondria. ​

Low iron levels likely contribute to decreased energy production and efficiency in enzymatic processes.

The decreased efficiency may manifest as the subjective sensation of low energy.

In addition to this (and as already stated) ferritin is involved in thyroid metabolism.

Thyroid hormone is also involved in proper mitochondrial energy production and one of the main symptoms of hypothyroidism is fatigue.

​Nowadays chronic fatigue plagues many patients and the cause of this symptom is often missed. 

If you have low energy levels (of unknown cause) this is yet another reason to have your iron and ferritin levels properly evaluated. ​

#4. Limits your ability to exercise and reduces overall activity level

​As mentioned low iron leads to the potential for low oxygen delivery to peripheral tissues. 

This includes skeletal muscle in your body.

Decreased energy production in your skeletal muscle will result in a diminished strength during exercise and a reduction in exercise capacity.

This usually manifests as shortness of breath during a work out (beyond which would be "normal" for your fitness level) in addition to rapid heart rate.

​Both of these changes are felt to be compensatory to the decreased oxygen carrying capacity of the body, but their effects are very important. 

Diminished exercise capacity may lead to weight gain over time and disruption of other hormones involved in proper energy metabolism (leptin and insulin).

Your ability to exercise is yet another important factor to treat low ferritin if present.

If you are experiencing shortness of breath while exercising and you have many of the other symptoms listed above, then you should consider getting a complete set of iron studies. ​

#5. ​May impact your immune system

Another important (and often under appreciated) role of iron is in the immune system.

Dysregulation of serum iron levels may lead to changes in immune function and limit cellular response to bacteria. 

Iron is not the only nutrient involved in proper immune function, however. 

If you feel your immune function is not functioning optimally then you can consider evaluation of other micronutrients like Vitamin D and Zinc. 

#6. Low ferritin may indicate hidden gastrointestinal problems that need to be treated

​This may be the most important reason of all. 

Low ferritin is caused by some imbalance in the body, which means that finding and reversing that imbalance is necessary to maintain normal iron and ferritin levels. 

One of the more common causes of low ferritin is related to gastrointestinal issues and malabsorption of iron. 

The following GI related conditions have been associated with malabsorption of micronutrients: 

If you know that you already have one or more of the GI conditions listed then you have a smoking gun for the cause of your iron deficiency. 

If you aren't sure you have a GI related issue then consider this:

You should not be experiencing gas, bloating, constipation, diarrhea or acid reflux and the presence of these symptoms usually indicate some other GI problem.

​The presence of any of these symptoms should make you consider further evaluation for the cause of these symptoms, especially in the presence of low ferritin. 


Because if you don't treat the underlying cause of your low iron levels then even if you replace those levels it will likely come back. ​

1 on 1 help

#7. ​Whatever caused your low iron levels may also be causing other nutrient deficiencies and contributing to your symptoms

The decline of one nutrient deficiency almost always leads to the decline of other micronutrients. 


Because nutrients are absorbed in certain parts of the GI tract and absorption requires co-factors, stomach acid and even other nutrients for complete absorption.

For instance: Iron requires vitamin C for absorption. ​

The combination of slightly abnormal levels of magnesium, B12, iron, zinc, etc. may negatively influence your symptoms and all contribute to the subjective symptoms you may be experiencing due to low ferritin. 

This is important because replacing these other lost nutrients is critical for complete reversal of your symptoms. 

Let's use this as an example:

Let's assume your iron levels are < 10 (obviously low) so you decide to supplement with liquid iron or iron capsules. 

Initially you feel some improvement in your energy levels but not 100%. 

What is accounting for the other 50%?

Some of this may be due to the combination of vitamin B12 deficiency that may be low as well and therefore energy levels will not improve until this deficiency is replaced.

Hopefully this paints the picture of why replacing ALL lost nutrients is so important. ​

If you are deficient in 1 nutrient, there is a chance (by virtue of the same mechanism that caused the initial deficiency) you are also deficient in others. ​

  • Bottom line: If you are deficient in 1 nutrient, there is a chance (by virtue of the same mechanism that caused the initial deficiency) you are also deficient in others. 

How to increase Ferritin levels safely

How to Supplement with Liquid Iron

Why I like it

May Boost Energy levels

May improve exercise capacity

Helps improve hair growth and decrease hair loss

Generally works within 4-8 weeks

How to tell if you Need it

I recommend checking the following lab tests prior to supplementing: 

  • Serum ferritin level: should be at least 30-40 if treating hair loss
  • Serum iron levels: Should be in the middle of the reference range
  • % saturation: Should ideally be 30-40%
  • Serum B12 levels (B12 deficiency frequently accompanies low ferritin): Should be ~1,000 pg/mL
  • Homocysteine levels: Should be < 9 (helps diagnose cellular B12 levels)
  • MCV: Should be < 92 (helps diagnose cellular B12 levels)
low ferritin lab tests
Low serum B12 levels
How to Use

  • Liquid iron: Start with 1 serving size per day (Serving size varies depending on which liquid iron supplement you get) 
  • Iron capsules: Take 1-3 capsules per day as tolerated by the GI tract
  • If you are deficient in Vitamin B12 you may need to use Methylcobalamin injections once per week and/or Sublingual B12
My Recommended Brand and Product:

Get liquid iron here (better if you are prone to constipation or have difficulty with absorption)

Get iron capsules here (may cause GI related problems like constipation but should be used if you don't tolerate liquid iron or if your ferritin isn't increasing with liquid iron)

​If you're planning on supplementing with iron to increase your ferritin levels there are a few things you should know:

1) Iron is very much a goldilocks type of nutrient in your body - too little is a problem but too much also causes problems like iron overload

This means you should only supplement with iron if you are basing your supplementation off of your lab results. 

I don't recommend supplementing with iron if you don't know your ferritin lab values and you don't follow them. 

2) ​Due to absorption issues (as mentioned above) most patients do better on liquid forms of iron. 

​Liquid iron is more readily absorbed and should NOT worsen constipation. 

If you are unable to tolerate liquid iron (due to taste or some other problem) then switching to capsules is fine, but start out with liquid iron if possible.

3) Very low levels of ferritin may require IV iron infusions (depend on the cause)

​This doesn't apply to the majority of people out there, but if your ferritin levels are extremely low and you are unable to raise them then you should consult with your physician. 

4) Patients taking Thyroid medication should not use iron within 2-4 hours of taking their thyroid medication

Iron may decrease the absorption of thyroid hormone and these should be taken as far apart as possible. 

Hypothyroidism sets up a physiologic situation where iron may be deficient so many hypothyroid patients have concurrent iron deficiency that must be treated. 

To avoid absorption issues with thyroid hormone it's best to take your iron supplement in the evening if you take your thyroid hormone in the morning. 

5) Patients with Iron deficiency frequently also have Vitamin B12 deficiency. 

For this reason I frequently recommend checking both iron and B12 levels simultaneously (more information below). 

B12 plays an important role in your energy levels (as does iron) and deficiencies of both may be contributing to your overall symptoms. 

Recap + Final Thoughts

Iron is a critical nutrient involved in many biochemical pathways, the deficiency of which may lead to many negative symptoms. 

Ferritin is used as a marker of iron stores in the body and low ferritin levels generally indicate low iron stores. 

Low ferritin levels should be treated with liquid or iron capsules until ferritin levels rise into the 30-40 ng/mL range (this is considered the optimal range).

It is possible to have high ferritin levels but low iron stores due to how ferritin's action as an acute phase reactant.

Remember that other nutrient deficiencies also tend to accompany iron deficiency and these must be treated as well.

Finding and treating the root cause of your iron deficiency is critical to long term success as lack of diagnosing this problem may lead to persistent low iron levels over time.

Now it's your turn:

Are your ferritin levels low?

Has supplementing with iron helped to improve your energy levels?

Why or why not?

Dr. Westin Childs

I'm Dr. Childs and I write these posts. I'm a physician that specializes helping patients lose weight, have more energy and FEEL better. My practice focuses on hormone imbalances, thyroid issues and weight loss resistance. My goal is to provide the BEST information out there on the internet that is both actionable and trustworthy. Get my free ebook: Hashimoto's Diet Guide here. You can also find more about my personal journey back to health here.

Click Here to Leave a Comment Below 24 comments
Amy - January 18, 2017

I have low ferritin but normal serum iron. I have been using Floradix for 6 months now or so and haven’t seen a huge improvement. Have increased dosage to 10ml twice daily and am awaiting new tests.
Some literature says that low ferritin levels with normal serum iron levels suggest metal toxicity like copper and need to be detoxed.
What is your opinion on this?

    Dr. Westin Childs - January 18, 2017

    Hey Amy,

    The only literature I’ve seen shows the association between iron deficiency anemia and heavy metal toxicity, if you provide links to the studies you are referring to I will be happy to take a look.

Shelley - January 20, 2017

I have Hashimoto’s, had total thyroidectomy in 2005 and RI due to thyroid cancer. Have had low iron since teen years (now 46) despite taking ion supplements for years! Have taken floradix and other preparations (some I can’t take as they affect thyroid Med absorption even if taken 12 hours apart). I have tried taking with vit c, apple cider vinegar and digestive enzymes. Cannot get ferritin levels above 12 (normal range 12-200). Doctors don’t see reason to get above 12. Any other suggestions?

Amanda - January 28, 2017

My daughter has low ferritin (12), but high iron (25). She also has low folate… My doctor told me to give her iron supplements, but I’m not if I should since her iron is high… Thoughts?

    Dr. Westin Childs - January 28, 2017

    Hey Amanda,

    Lab results aren’t helpful unless given in units with accompanying reference ranges since each lab does it slightly different. I can’t speak to your daughters condition because I don’t know anything about her situation.

      Amanda - January 28, 2017

      Ferritin 12 ug/L
      Iron 25 umol/L
      Tibc 64 umol/L
      %sat 38%

        Amanda - January 28, 2017

        Sorry… Forgot the reference ranges

        Ferritin: 14-79 ug/L hers =12

        Iron: 2.8-22.9 umol/L hers =25

        Tibc: 43.4-76.5 umol/L hers =25

        %Sat: 14-55% hers =38

          Amanda - January 28, 2017

          Correction – her tibc is 64 as originally stated

Vanessa - January 28, 2017

Hi Dr. Childs,
I just want to first say Ive watched your youtube videos and came here to your website and thnk you so much for sharing your knowledge! About a year ago I started experiencing a ton of symptoms…dizzy spells, lightheadedness, fatigue, weight gain, my anxiety went through the roof, i was seeing spots in my vision. I saw eye doctors, my family doctor, a GI. Labs came back “normal” according to docs and all they found was i had a ferrtin level of 7, and low D, i was prescribed iron supplements and thats it! I cant get doctors to listen or take me seriously…I know my body and I feel strongly based on what ive seen in your videos and website that Im hypothyroid and extremely fristrated i cannot find a doctor who knows as much as you do. Many of the symptoms you talk about Ive dealt with. Im a busy 32 architect in New Mexico and too young to feel this way the rest of my life. Do you offer consultations/ correspondence for those of us who would like to discuss our situations further? I apologize if this got too long Im just so impressed with how much you know about this.

    Dr. Westin Childs - January 28, 2017

    Hey Vanessa,

    I am not accepting patients anymore but one of the best things you can do is find someone who understands what I’m discussing on my site who can help you further.

Sheika - February 2, 2017

Ferritin level 16.4. Didn’t increase after 6 months of 325mg of Ferrocite. I was sent to GI doctor. He ran a series of tests: colonoscopy, EDG, and I
Ultrasound. Nothing found gastro, but a there is a growth on my uterus. Have been referred to a gynecologist. What that cause low ferritin? I’m age 52, went through menopause a year ago….

Paul - February 20, 2017

I have Hashimoto’s and not tolerating any THRT. My recent labs are below. What are your thoughts? Thank you.

Iron Blood – 186 mcg/dL (59-158)
Ferritin – 31 ng/mL (30-400)
UIBC – 159 mcg/dL (112-346)
Total IBC – 345 mcg/dL (148-506)
Iron Saturation – 54%

Cortisol Blood (8 am) – 8.6 mcg/dL (6-18.4)

    Paul - February 22, 2017

    What are the implications with low ferritin, high blood iron, and potentially low AM blood cortisol? Thank you

Suzanne - February 24, 2017

Hi, I’ve been having so many crazy symptoms since April, was diagnosed with chronic gastritis back then. Thinking back I did have shortness of breath and one bout of dizziness when exercising back then. Skip forward to August, had dry sore throat for about a month, fatigue, ENT scoped my throat and said maybe silent reflux and that my salivary glands were dry. He recommended going on an alkaline diet. I changed my diet and cut out many things, lost 30 pounds, and started getting very ill. Nobody could find anything wrong except that my liver enzymes were very high (maybe due to prescribed Zantac, which I stopped taking?), US showed bad gallbladder, so had that out, and liver went back to normal. But very funky symptoms continued, shaking, intolerance to cold, high heart rate but low bp, pain in upper left back, trouble breathing, upper back pressure, feeling like I had the flu, eye flashes, and now shoulder pain (like rotator cuff pain). My naturopath did an iron panel and my ferritin showed an 8, iron binding 404, UIBC 339, transferring saturation 16, RBC 4.44, hemoglobin 13.4. In looking back at older bloodwork, in January I had a hemoglobin of 12.0 and RBC 4.05, and in December I had a low RBC right below lower normal. My GP never mentioned anything about low iron ever. I think it was dismissed because it wasn’t extremely low, or maybe because I had my gallbladder removed? When evaluating my diet I realized I wasn’t eating many things that were high in iron. I’m taking Ferrochel now for two weeks and the breathing is getting a little easier, still feel achy and not well. Adding in Floradix. My question to you, and I hope you please answer me because I’ve been suffering for so long, can low iron stores cause all these crazy symptoms? I’ve had every MRI and test done and nothing has been found. Will be seeing a gastro in a few weeks, I did have a colonoscopy five years ago that was completely normal. I’m 52 and not in menopause yet. Thank you!!

    Dr. Westin Childs - February 27, 2017

    Hey Suzanne,

    Low ferritin by itself would probably not account for all of the symptoms you’ve bene experiencing. It’s likely a combination of factors all contributing.

Julie - March 13, 2017

Daughter 19,diagnosed with Hashimotos at 15,not put on anything .Has menstrual cycle maybe 4x a year,very light. Has had insomnia over 5 years,always had belly, gained weight easily although eating good.went to college came home at break;gained 40 lbs,always sleeping,ferritin level 3,low ironoise and d,white blood cells low,thyroid antibodies very high, thyroid not functioning.she does have absorption issue. She is taking 975 Mcgraw iron a day and 50 synthroid, still feels horrible..her doctors don’t have a clue..what tests/actions do you suggest. I am worried about Iron amount. Thank you

Rara - March 17, 2017

Hello, my ferritin has been between 6-9 for the past 18 months, despite a year of taking 2-3 liquid iron supplements a day, with orange juice (Spatone). Coeliac blood test is negative, but no other investigative work has yet been done by my GP. I tried but couldn’t tolerate iron tablets. I’m not vegetarian and have lots of spinach, meat, and pulses in my diet. Any ideas?

Shannon Suggs - April 13, 2017

Afternoon Dr.Childs,

I have been going through this battle of iron malabsorption, extremely low ferritin levels for 3 years now. Have tested negative for colon cancer, multiple myeloma, leukemia, lymphoma, Celiac, Chrons, colon cancer, you name it. Have had my GI checked, upper/lower endoscopy, camera pill- nothing seen. Went from every 6months of IV Iron to every 3 months, to 2 months, and now today have been setup for every 6 weeks. I have been unable to function regularly in life due to the weakness, fatigue, joint pain, etc. Thyroid checked, etc. Even checked for rare congenital genetic mutations… Nothing… Im 29yo with 2 kids under 8yo and am really trying my best to not give up on it all, but I need some type of answers. What do you think I should do at this point or where to look?

Mona - April 15, 2017

Hi doctor, please advise me , my iron supplement is 65mg equivalent to 325mg Ferrous Sulfate once daily is it enough ? my iron test. 65 ug/dL. Ref. 37-160 Transferrin saturation. 18%. 15-50. UIBC. 279 ug/dL. 135-392. TIBC. 362 ug/dL. 250-450. Ferritin 11 ng/mL. 15-200. Heamoglobin. 12.90 g/dL. 12.5-16.


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