Most people think of anemia as an iron problem. And sometimes it is. But there’s another type—Anemia of Chronic Disease (ACD)—where iron is actually present… but your body won’t use it. This is a very different story.
What Is Anemia of Chronic Disease?
Anemia of Chronic Disease (also called anemia of inflammation) occurs when the body has adequate or even high iron stores but inflammation blocks iron from being used properly. This leads to low energy, brain fog, reduced endurance, and poor recovery. This occurs even though iron levels may not appear “low” in the traditional sense.
The Root Problem: Inflammation
At the center of this condition is a key regulatory hormone called hepcidin. When inflammation is present, the liver increases hepcidin production. This causes iron to be locked inside the storage cells. It also leads to reduced iron absorption from the gut and limited iron availability for red blood cell production. The body is holding iron hostage.
Common Causes of Chronic Inflammation
Anemia of chronic disease is not a standalone condition—it’s a signal. Common underlying drivers include:
- Chronic infections
- Autoimmune conditions
- Gut inflammation (IBS, IBD, dysbiosis)
- Metabolic dysfunction (insulin resistance)
- Chronic stress and elevated cortisol
- Liver dysfunction
- Long-term inflammatory states (arthritis, obesity)
Key Lab Patterns
This is where functional evaluation becomes critical. Typical findings may include:
- Low or low-normal hemoglobin
- Low serum iron
- Low transferrin (TIBC)
- Normal or HIGH ferritin
- Elevated inflammatory markers (CRP, ESR)
- Possible elevated hepcidin (not always tested clinically)
There is an important distinction. Low ferritin levels are seen with iron deficiency anemia. With anemia of chronic disease, ferritin levels are normal or high. This is where many patients are mismanaged.
Why Iron Supplements Often Fail
In ACD, giving iron alone can be ineffective, worsen oxidative stress, and feed underlying infections or dysbiosis. This is because the issue is not with the supply, it’s with the utilization.
A Functional Medicine Approach
At our clinic, we don’t just treat numbers—we treat physiology.
Step 1: Reduce Inflammation
- Anti-inflammatory nutrition
- Blood sugar regulation
- Identify hidden infections or gut dysfunction
Step 2: Support Iron Mobilization
- Improve liver function
- Support hepcidin regulation
- Optimize gut absorption
Step 3: Address Root Causes
- Gut microbiome balance
- Hormonal regulation
- Stress physiology
Step 4: Strategic Nutrient Support
Depending on the patient:
- Iron (only if appropriate)
- Vitamin C (enhances iron utilization)
- B12 and folate (red blood cell production)
- Zinc (immune modulation)
- Polyphenols (inflammation control)
Clinical Pearl
Ferritin is not just an iron marker—it’s also an inflammatory marker. If ferritin is elevated, always ask, “Is this iron overload or inflammation?”
Who Should Be Evaluated?
Consider deeper testing if you experience:
- Persistent fatigue
- Shortness of breath with exertion
- Brain fog
- Poor exercise tolerance
- Chronic illness or inflammatory conditions
- “Normal labs” but ongoing symptoms
Final Thoughts
Anemia of chronic disease is not a deficiency problem—it’s a communication problem within the body. Iron is present, but the body is choosing not to use it. Until we address the underlying inflammation, energy will remain low and recovery incomplete.
At Bloomberg Chiropractic Center
We take a root-cause approach to fatigue and anemia:
- Advanced lab interpretation
- Functional medicine strategies
- Personalized treatment plans
- If you’ve been told your labs are “normal” but you still feel exhausted—there may be more to the story.
Give our office a call at 618-783-2424 with any questions or to schedule your functional medicine consultation.