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HDL42
Triglycerides180
ApoB110
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Serum Ironmg/dL
TIBC (Total Iron-Binding Capacity)mg/dL
Transferrin Saturationmg/dL

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307 ng/mL high
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1normal 30 to 301580
what this means

307 is high, just outside the range for ferritin.

this is the average reading · make it yours below

reading as

This one sits close to the edge. Not a problem today, but it is the band where small changes decide which way it goes, and where the rest of your panel starts to matter more than this number alone.

You are 6 ng/mL over the normal ceiling of 301. That reads high.

307 is high. That is above the normal range for ferritin. How much it matters depends on the markers it travels with, which is what the sections below are rewritten against.

recheck in 12 weeks
Ferritin + Serum Iron

Ferritin shows storage, serum iron shows circulation. Together they reveal the full iron status picture.

Ferritin + TIBC

High TIBC with low ferritin is classic iron deficiency. Low TIBC suggests chronic disease instead. Different treatments.

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Your test has all of them on one page

Your BloodMarker report · Ferritin

Ferritin 307 ng/mL: Is That High?

Not really. 307 ng/mL is just outside the normal range for ferritin.

But a number alone is only half the story. Your Serum Iron, TIBC (Total Iron-Binding Capacity) and your risk factors decide how much it means. Tell it who you are.

Reviewed against NIH, WHO, ASH, Mayo Clinic, CDC guidelines · Last reviewed March 29, 2026

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Is Ferritin 307 ng/mL Low, Normal, or High?

Ferritin 307 ng/mL reflects the level of a key iron-storing protein circulating within your body. While typical ranges can vary, a ferritin level of 307 ng/mL might be considered on the higher side of what's often seen as a standard "normal" range.

This elevation suggests your body is holding onto a considerable amount of iron, or perhaps responding to other internal signals. It’s a snapshot of your body's intricate iron management system at work, prompting a closer look at what might be influencing this figure.

what this page cannot tell you

Low ferritin confirms iron deficiency as the cause of anemia. This determines whether iron supplements alone will fix it.

This page has not been given your Hemoglobin, so that half of the picture is missing here. It is describing the average reader with Ferritin, not you.

Read mine against my Hemoglobin →

A ferritin level of 307 ng/mL signals a modest elevation, sitting just 2% above the upper limit of the typical reference range. At this specific point, common considerations include recent, even minor, inflammation such as a viral infection, a strenuous workout, or acute stress, as ferritin is a sensitive acute phase reactant.

Mild liver strain, often associated with lifestyle factors like diet, sedentary habits, or moderate alcohol intake, can also present with such an incremental rise. Typically, your healthcare provider might recommend retesting this value in a few weeks or months to observe its trend, rather than immediately pursuing extensive investigations.

A comprehensive metabolic panel, including liver function tests, and perhaps inflammatory markers like C-reactive protein, could also be considered to provide a broader clinical picture and help identify potential underlying causes.

It’s important to understand that a single, slightly elevated ferritin reading like 307 ng/mL doesn't automatically signify serious disease. Often, these modest increases are transient, reflecting temporary body stressors, and a watchful waiting approach is common before extensive workups, with the *pattern* of your ferritin over time being more clinically significant than this individual snapshot.

How iron is absorbed and used in your body Small intestine Absorbs iron Bloodstream Carries iron to cells Bone marrow Makes hemoglobin Ferritin reflects how much iron your body has stored or available
for your numbersThe section below is written for 307 against a general adult target. What 307 means for you depends on the rest of your lipids and your other risk factors. Your report starts from your whole picture, not one line.

Hidden Risk of Ferritin 307 ng/mL

An elevated ferritin level, such as Ferritin 307 ng/mL, can sometimes act as a subtle signal that the body's internal systems are working overtime or are managing more iron than typically expected.

While not immediately alarming, consistently higher ferritin levels can indicate that the body's natural balance is being challenged, even if no obvious symptoms are present. This can be particularly relevant for cellular health and metabolic processes, as noted by organizations like the National Institutes of Health (NIH).

The body’s cells depend on a delicate balance of iron for countless functions, and an excess can impact how efficiently these cells operate, potentially influencing long-term well-being. Thinking about your ferritin at 307 ng/mL isn't about immediate panic; it's about understanding the subtle shifts in your body's deep internal workings.

what this page cannot tell you

Ferritin shows storage, serum iron shows circulation. Together they reveal the full iron status picture.

This page has not been given your Serum Iron, so that half of the picture is missing here. It is describing the average reader with Ferritin, not you.

Read mine against my Serum Iron →

A ferritin level of 307 ng/mL, slightly above the typical upper limit of 300 ng/mL, suggests a burgeoning state of iron overload that, if unaddressed, could begin to promote oxidative stress.

While not yet at levels strongly associated with overt organ damage, this elevation indicates that cellular processes may be encountering excess unbound iron, which can catalyze the formation of reactive oxygen species.

Over time, this can contribute to inflammation and microvascular dysfunction, potentially impacting endothelial health and increasing the risk for conditions like non-alcoholic fatty liver disease (NAFLD) or subclinical atherosclerosis, even at this modest surplus.

for your numbersThe risk below is the average one for this ferritin. Whether it applies to you depends on the rest of your panel, which the article has not been given. Add them and this stops describing strangers.
  • Suggests ongoing internal processes that influence iron regulation.
  • Can hint at how cells are managing energy and iron levels.
  • May reflect a response to systemic challenges within the body.

This part is about the number

Everything below explains what raises Ferritin. It cannot tell you which of them is yours.

Your test can. Every marker on it is read against every other one, which is where the answer actually lives.

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What Does a Ferritin Level of 307 ng/mL Mean?

Understanding Ferritin 307 ng/mL involves picturing your body's sophisticated iron handling system. Imagine ferritin as tiny, specialized storage lockers spread throughout your body, primarily in places like the liver, spleen, and bone marrow.

These lockers are designed to hold iron safely, keeping it ready for use when needed, such as in making red blood cells that carry oxygen. When your ferritin level is 307 ng/mL, it's like finding many of these storage lockers are quite full.

This suggests that your body has a substantial reserve of iron on hand, or that there's an increased demand for iron storage due to some other internal activity. For instance, sometimes when your body is experiencing inflammation, these ferritin lockers can get "called into action" more, even if your total iron levels aren't necessarily extremely high.

It’s part of your body’s protective response, as noted by the World Health Organization (WHO), and ferritin can sometimes rise in these situations to sequester iron away from potential pathogens, making it less available for their growth.

So, a value of 307 ng/mL provides a window into this complex interplay between iron reserves and your body's systemic responses. It's a measure not just of stored iron, but also of how actively your body's cells are involved in regulating and responding to various internal conditions.

This ferritin measurement of 307 ng/mL is most plausibly explained by a combination of recent dietary intake and inflammatory processes. High consumption of iron-rich foods, particularly red meats or fortified grains, in the days preceding the test could temporarily elevate ferritin, which is an acute-phase reactant.

Additionally, subclinical inflammation, perhaps from a minor infection, ongoing physical exertion, or even a slight metabolic disturbance, can independently increase ferritin production by the liver, contributing to this mild elevation above the normal range.

Your Ferritin 307 means different things depending on your other markers

Ferritin + Hemoglobin
Low ferritin confirms iron deficiency as the cause of anemia. This determines whether iron supplements alone will fix it.
Ferritin + Serum Iron
Ferritin shows storage, serum iron shows circulation. Together they reveal the full iron status picture.
Ferritin + TIBC
High TIBC with low ferritin is classic iron deficiency. Low TIBC suggests chronic disease instead. Different treatments.
The part one number cannot show
Your Ferritin of 307 means different things depending on its companion markers.
Your full panel shows which story is yours.
See what is driving yours →

Lifestyle Changes for Ferritin 307 ng/mL

Beyond what you eat, certain lifestyle choices can subtly influence your body’s iron dynamics and, consequently, your ferritin levels like Ferritin 307 ng/mL. Regular physical activity, for example, helps maintain overall metabolic health, which in turn supports balanced cellular function.

When your body is working efficiently, all its systems, including those that manage iron stores, tend to operate more smoothly. Consider aiming for consistent, moderate exercise, like brisk walking or swimming, as a way to support your body's natural rhythms.

The National Kidney Foundation (NKF) emphasizes the importance of overall well-being for systemic balance, and this includes how your body handles essential minerals like iron. Additionally, managing stress is crucial.

Chronic stress can sometimes trigger inflammatory responses within the body, and as we discussed, inflammation can cause ferritin levels to rise as a protective mechanism. Finding effective ways to relax, whether through meditation, hobbies, or spending time in nature, can contribute to a calmer internal environment.

Ensuring adequate, restful sleep also plays a vital role in supporting your body's repair processes and hormone regulation, indirectly influencing how your iron storage proteins are managed. These choices don't directly "lower" ferritin in a dramatic way, but they create an optimal internal setting where your body's intricate systems, including iron metabolism, can function more harmoniously.

Given a ferritin level of 307 ng/mL, it is advisable to repeat the test within 4-6 weeks, ensuring you fast for 12 hours prior and avoid iron-rich meals or supplements for 24 hours before.

Simultaneously, focus on moderating intake of high-heme iron sources like red meat and consider incorporating more calcium-rich foods, which can inhibit iron absorption. Tracking any new or worsening fatigue, joint discomfort, or abdominal fullness would also be beneficial for discussion during your next physician consultation.

for your numbersThis section lists every reason ferritin moves, because on its own the number cannot say which is yours. The rest of your panel and a few risk factors would cross most of them off in a sentence.
for your numbersThe portions below are generic because the page does not know your body. Add your height and weight above and the fibre targets resize to you at once, a small preview of what the full report does with every number.

Diet Changes for Ferritin 307 ng/mL

When considering a Ferritin 307 ng/mL level, your dietary choices can be an important factor in how your body manages iron. While a high ferritin level doesn't always mean you need to drastically cut out all iron, understanding how certain foods affect iron absorption and inflammation is key.

Your body's ability to absorb iron is complex, and certain compounds in food can either boost or hinder this process. For instance, calcium in dairy products or certain compounds in tea and coffee can reduce iron absorption when consumed with iron-rich meals.

Focusing on foods that support overall cellular health and reduce systemic inflammation can be beneficial, as inflammation is a known influencer of ferritin levels, according to insights from the American Heart Association (AHA).

  • Consider pairing iron-rich foods with calcium or tannins, not Vitamin C, to subtly modulate absorption.
  • Prioritize a variety of colorful fruits and vegetables to support antioxidant defenses.
  • Explore whole grains and legumes, which can offer fiber and other nutrients that aid general metabolic health.
Iron-rich foods and absorption helpers Red meat Heme iron Spinach Non-heme iron Lentils Iron + fiber Citrus Boosts absorption Fortified cereal Added iron Pair iron-rich foods with vitamin C for better absorption
for your numbersThe portions below are generic because the page does not know your body. Add your height and weight above and the fibre targets resize to you at once, a small preview of what the full report does with every number.

Ferritin 307 ng/mL in Men, Women, Elderly, and Kids

The meaning and typical ranges for ferritin can vary across different groups, and a Ferritin 307 ng/mL level might be interpreted differently depending on who it belongs to. For instance, men generally tend to have higher ferritin levels than premenopausal women, largely due to monthly blood loss in women.

This means that a 307 ng/mL level might be seen as moderately elevated for a premenopausal woman, while for a man, it might be closer to the upper end of what's considered typical but still within a range that warrants attention.

In older adults, ferritin levels can sometimes naturally creep higher as a part of the aging process or due to chronic conditions, making a 307 ng/mL result a nuanced finding that needs careful consideration in the context of their overall health profile.

The Centers for Disease Control and Prevention (CDC) provides general insights into population health trends, and these age and sex-related variations are important. For children, normal ferritin levels are typically much lower than in adults.

Therefore, a Ferritin 307 ng/mL in a child would generally be considered significantly elevated and would prompt a more immediate and thorough investigation into the underlying reasons, as their bodies' iron regulation systems are still developing and different factors may be at play.

These distinctions underscore why understanding a single lab value requires looking at the bigger picture of an individual's unique biological context.

for your numbersThe portions below are generic because the page does not know your body. Add your height and weight above and the fibre targets resize to you at once, a small preview of what the full report does with every number.

Medicine Effects on Ferritin 307 ng/mL

Certain medications can influence how your body handles iron and, consequently, impact your ferritin levels, sometimes leading to a Ferritin 307 ng/mL reading. This doesn't mean the medication is causing harm, but rather that it's interacting with your body's complex internal systems.

For example, some anti-inflammatory drugs or certain hormone therapies can subtly alter the body's metabolic processes and inflammatory markers, which in turn might affect how much ferritin your body produces or stores.

Medications used to treat conditions like rheumatoid arthritis or other autoimmune disorders, which involve ongoing inflammation, can also be associated with elevated ferritin, as ferritin can act as an acute-phase reactant.

The American College of Cardiology (ACC) often discusses systemic inflammation's role in health, and how medication can modulate these responses. Even common over-the-counter pain relievers, when used regularly, could have minor effects on the body's internal environment that indirectly influence ferritin. It's not about stopping medication, but recognizing these potential interactions.

  • Some medications can affect inflammatory pathways, indirectly raising ferritin.
  • Certain drug classes might alter metabolic processes, influencing iron storage.
  • Discussing all current medications with a healthcare provider helps interpret ferritin levels accurately.
for your numbersThe portions below are generic because the page does not know your body. Add your height and weight above and the fibre targets resize to you at once, a small preview of what the full report does with every number.

When to Retest Ferritin 307 ng/mL

Deciding when to repeat a test for Ferritin 307 ng/mL is a conversation best had with a healthcare provider, as it depends on many individual factors. Generally, if an elevated ferritin level is found without a clear explanation, a repeat test might be suggested after some time to see if the level remains consistent or if it has changed.

This waiting period allows your body's systems to potentially stabilize or for any temporary influences (like a recent infection or intense physical activity) to pass. The Mayo Clinic often emphasizes a comprehensive approach to health, which includes re-evaluating lab results in the context of any lifestyle adjustments or changes in your overall health status.

If a healthcare provider suspects an underlying condition might be contributing to the 307 ng/mL reading, they might recommend more frequent monitoring or additional tests to track trends. Conversely, if the initial elevation is believed to be transient or easily explained, a repeat test might be scheduled further out, perhaps in a few months, to ensure long-term stability.

The timing is always individualized, focused on gathering the most relevant information to understand your body's ongoing iron management and overall health trajectory.

for your numbersThe portions below are generic because the page does not know your body. Add your height and weight above and the fibre targets resize to you at once, a small preview of what the full report does with every number.

Ferritin 307 ng/mL — Frequently Asked Questions

A ferritin level of 307 ng/mL indicates that your body has a significant amount of stored iron. However, ferritin can also rise during inflammation or infection, even if your total body iron isn't excessively high. It means your body's iron storage system is actively engaged, and it's a marker that helps understand the interplay of iron levels and other internal processes.

At 307 ng/mL, your body might not display obvious symptoms related to this ferritin level. However, some individuals might notice a general sense of fatigue that isn't easily explained, or a feeling of not being quite as energetic as usual.

These subtle feelings could potentially be related to how your body is managing its iron reserves and inflammatory responses, which can slightly affect overall cellular function and well-being.

for your numbersThe portions below are generic because the page does not know your body. Add your height and weight above and the fibre targets resize to you at once, a small preview of what the full report does with every number.

When your ferritin is at 307 ng/mL, it suggests your body's iron 'storage lockers' are quite full. Whether your body 'needs' to release iron depends on the underlying reason for the elevation.

If it's simply abundant healthy stores, your body’s natural regulatory systems are usually very good at maintaining balance. If it's related to inflammation, then addressing the inflammation can help your body re-establish optimal iron management without necessarily 'releasing' stored iron in a detrimental way.

for your numbersThe portions below are generic because the page does not know your body. Add your height and weight above and the fibre targets resize to you at once, a small preview of what the full report does with every number.

When to See a Doctor About Ferritin 307 ng/mL

When your ferritin level is Ferritin 307 ng/mL, engaging with a healthcare professional is a constructive step to understand this specific result within your personal health context. It's especially wise to consult a doctor if this is a new finding for you, or if you have other symptoms that are causing concern, even if they seem unrelated.

For instance, unexplained fatigue, joint discomfort, changes in skin tone, or any ongoing gastrointestinal issues could be relevant factors to discuss. Your doctor can help determine if the 307 ng/mL level is merely reflective of robust iron stores, or if it's hinting at other underlying conditions that need attention, such as inflammation, metabolic factors, or even genetic predispositions that affect iron metabolism, as recognized by organizations like the National Heart, Lung, and Blood Institute (NHLBI).

They can also review your full medical history, current medications, and lifestyle to paint a complete picture and guide you on the most appropriate next steps, which might include further diagnostic tests or specific strategies to support your body's internal balance.

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