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    Iron Deficiency — a functional-medicine root-cause overview from the Integrative You clinical team

    CONDITION · ROOT-CAUSE GUIDE

    Iron Deficiency and Low Ferritin: Why It Keeps Coming Back

    Medically reviewed by Dr. Nicole Rivera, DC, IFMCPLast updated

    Iron deficiency is a symptom, not a diagnosis. The question that matters is where the iron is going, or why it is not being absorbed.

    Hair loss
    Heavy periods
    Restless legs syndrome

    The short answer

    What is a healthy ferritin level?

    Laboratory ranges often start near 10 to 15 ng/mL, but symptoms of deficiency — fatigue, hair shedding, restless legs, poor exercise tolerance — commonly appear below about 30 to 50 ng/mL, well inside the so-called normal range.

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    Common signs & symptoms

    Fatigue out of proportion to activity · Hair shedding · Breathlessness on exertion · Restless legs · Pale skin · Cold hands and feet

    Ferritin Falls First

    Haemoglobin is the last thing to drop. Ferritin — stored iron — falls months or years earlier, and symptoms including fatigue, hair shedding, breathlessness on stairs, restless legs and poor exercise recovery begin in that window.

    A normal full blood count therefore does not rule out iron deficiency. Ferritin has to be measured, and read against the symptoms rather than against the very low end of the laboratory range.

    Losses and Absorption

    In menstruating people, heavy periods are the most common cause and are routinely under-recognised. Otherwise, gastrointestinal loss must be considered and investigated.

    Absorption is the other half. Low stomach acid, H. pylori infection, coeliac disease, inflammatory bowel disease and long-term acid-suppressing medication all reduce iron uptake, which is why supplementation alone often fails.

    Inflammation Hides It

    Ferritin is also an acute-phase protein, so active inflammation pushes it up. Someone can be genuinely iron deficient with a ferritin that reads normal.

    Reading ferritin alongside CRP, transferrin saturation and full iron studies is what separates real stores from an inflammatory reading.

    15 years of pattern recognition

    The three roots we find under iron deficiency.

    Almost every chronic case we've seen traces back to one — or a combination — of these three lenses. The label on your chart is rarely the cause. The cause is upstream.

    Lens 1 of 3

    Emotional · Psychosomatic

    German New Medicine ties the gut to indigestible conflict — a relationship, job, or boundary you keep swallowing instead of dealing with.

    What it looks like

    Chronic bloating in someone who can't leave a toxic marriage or a job that violates their values. The gut literally cannot digest the life they're forcing down.

    Lens 2 of 3

    Toxic Load

    Glyphosate, pesticides, mold, processed seed oils, heavy metals from amalgams — the gut lining and microbiome take the first hit.

    What it looks like

    Non-organic produce, conventional meat, and herbicide-soaked grains shred the mucosal barrier long before any 'IBS' label gets stamped on.

    Lens 3 of 3

    Dysbiosis · Infection

    Parasites, H. pylori, SIBO, candida, post-antibiotic dysbiosis. Real bugs driving real symptoms — and almost never tested for properly.

    What it looks like

    A parasite picked up 6 years ago on a trip nobody connected back to the bloating, brain fog, and rosacea showing up today.

    The Black Sheep philosophy

    It's not what you do. It's how you do it.

    Supplements don't fail. Detoxes don't fail. People fail to find the ONE foundational issue — the lever that, once moved, lets every other system autocorrect. We're not chasing symptoms. We're hunting the root that holds the whole pattern in place.

    The top 5 blind spots

    What conventional medicine isn't telling you about iron deficiency.

    Not because anyone is careless — because the visit is ten minutes long and the panel is built to rule out disease, not to explain why you feel like this. These are the five things we look at that almost nobody else does.

    1. 1

      What you cannot digest in your life

      What you're told

      Diet is reviewed; the life being swallowed is not.

      What we look at

      The relationship, job, or boundary you keep forcing down. Guts that cannot digest a life rarely digest food well either.

    2. 2

      Vagus nerve and eating state

      What you're told

      Nobody asks how you eat — only what you eat.

      What we look at

      Whether you eat in fight-or-flight, standing, rushed, or mid-conflict. Digestion is a parasympathetic act.

    3. 3

      Stealth organisms

      What you're told

      A standard stool panel or a scope, then an IBS label.

      What we look at

      Parasites, H. pylori, SIBO, and post-antibiotic dysbiosis — often traced to a trip or an antibiotic course years earlier.

    4. 4

      Barrier and bile function

      What you're told

      Acid is suppressed rather than assessed.

      What we look at

      Whether you make enough acid, bile, and enzymes at all. Low output looks identical to reflux and is treated backwards.

    5. 5

      Toxic load hitting the gut lining first

      What you're told

      Glyphosate, seed oils, and metals are not part of a GI workup.

      What we look at

      Cumulative chemical exposure on the mucosal barrier and microbiome, long before any diagnosis was stamped on.

    Why our intake is different

    90% of the clarity comes from how we ask, not what we run.

    Our assessments and intake are built to be precise enough that your history finally pieces itself together — the timeline, the exposures, the emotional load, the labs everyone called normal. That is where root cause shows up. Testing confirms and sequences it; it does not replace it.

    It is not about what you do. It is about how you do it. Strategy and integration decide the outcome.

    Test, don't guess

    Which path is actually yours.

    Guessing is expensive — in money, in years, and in quality of life. The right entry point depends on how complex your case is and how much your daily life is being taken from you.

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    It is complex — you need the map

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    Multiple systems involved, symptoms that contradict each other, or labs that keep coming back normal. Your genetics plus biomarkers tell us what your body cannot do on its own, and what to sequence first.

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    Quality of life is suffering

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    When it is severe, layered, or time-sensitive, you get Dr. Nicole and the clinical team on your case directly — testing, strategy, and integration handled with you, week over week.

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    Documented outcomes · real labs

    What this looks like when it actually works.

    All case studies

    What you get from us, always

    Six promises we don't break.

    We never give up

    Complex, weird, and "nothing worked" cases are the ones we take.

    We have your back

    You are not managing this alone between appointments.

    We always find the root cause

    We keep going upstream until the pattern explains every symptom.

    We look at all of you

    Mind, body, exposure history, genetics, and the life you are actually living.

    Precision or nothing

    No shotgun protocols. If we cannot justify it, you do not take it.

    Clarity produces outcomes

    When you understand why, implementation stops being a willpower problem.

    See the intake & precision testing steps

    The questions nobody answered for you

    What conventional medicine isn't testing you for.

    See the intake & precision testing steps

    How we think about this clinically

    The Klinghardt & bioresonance toolkit

    The framework and assessment tools we layer on top of standard functional labs to find root cause faster — especially in chronic, "we've tried everything" cases.

    Framework

    Dr. Klinghardt's 5 Levels of Healing

    The map we use to sequence labs, detox, and neural retraining — instead of stacking supplements at random.

    Tool

    Bioresonance Therapy — what it actually is

    Practitioner-grade read on Oberon, NLS, MORA, BICOM and where bioresonance earns a place next to standard functional labs.

    Legacy IWG

    Bioresonance at the former IWG clinic

    If you found us through Integrative Wellness Group — this is where our bioresonance work moved.

    Iron Deficiency: the questions people actually ask

    What is a healthy ferritin level?

    Laboratory ranges often start near 10 to 15 ng/mL, but symptoms of deficiency — fatigue, hair shedding, restless legs, poor exercise tolerance — commonly appear below about 30 to 50 ng/mL, well inside the so-called normal range.

    Why does my iron keep dropping even though I supplement?

    Either ongoing loss or impaired absorption.

    Heavy periods and gastrointestinal bleeding are the common losses; low stomach acid, H. pylori, coeliac disease and acid-suppressing medication are the common absorption problems.

    Can I be iron deficient with normal blood counts?

    Yes, and it is common.

    Haemoglobin falls last. Ferritin can be depleted for a long time before anaemia appears, and symptoms start in that earlier window.

    Frequently asked questions

    What is a healthy ferritin level?

    Laboratory ranges often start near 10 to 15 ng/mL, but symptoms of deficiency — fatigue, hair shedding, restless legs, poor exercise tolerance — commonly appear below about 30 to 50 ng/mL, well inside the so-called normal range.

    Why does my iron keep dropping even though I supplement?

    Either ongoing loss or impaired absorption. Heavy periods and gastrointestinal bleeding are the common losses; low stomach acid, H. pylori, coeliac disease and acid-suppressing medication are the common absorption problems.

    Can I be iron deficient with normal blood counts?

    Yes, and it is common. Haemoglobin falls last. Ferritin can be depleted for a long time before anaemia appears, and symptoms start in that earlier window.

    Why is my ferritin normal if I have every symptom of deficiency?

    Ferritin rises with inflammation, so an inflammatory state can mask depleted stores. Interpreting it alongside CRP and transferrin saturation resolves the picture.

    Which form of iron is best tolerated?

    Tolerance varies, but alternate-day dosing usually raises iron more effectively than daily dosing because it avoids the hepcidin block, and it causes far fewer gastrointestinal side effects.

    Not sure if this is you?

    Not sure which path fits? Ask us directly.

    Tell us your iron deficiency story in a few lines. We'll tell you whether Health Decode, Foundation, DNA Precision, or Private Concierge is the right next move — no pressure, no upsell.

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    This page is educational. It is not a substitute for personalized clinical evaluation. If you suspect iron deficiency, work with a qualified practitioner — we can be one of them.

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    Where to go from here

    Four ways in. Start at whichever rung is honest for you.

    You don't have to commit to a full workup to make progress on iron deficiency. Every rung below feeds the next one — nothing you do at the free end gets thrown away when you move up.

    1. Free · 4 minutes

      Your Integrative Life Compass

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    2. Entry

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      A written read on your pattern from the intake you already filled out — what to investigate first, and what to stop paying for.

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    4. Hands-on

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      A standing clinical team on your case — reachable, proactive, and coordinating the whole family. For complex or multi-system cases.

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    Still unsure which rung? Book a free 15-minute call with the Director of Member Services — they'll tell you if none of them fit.

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