Ferritin

Researched

Nutrients • Last tested 2026-01-28

What It Measures

The blood level of ferritin protein, which stores iron intracellularly and releases it in a controlled fashion.

Ferritin is the primary iron storage protein. It reflects total body iron stores and is also an acute phase reactant (rises with inflammation). Both high and low values are clinically significant.

Current Value

16ng/mL
Reference Range: 30400 ng/mL(standard)
Optimal Range: 100200 ng/mL(Function Health, LabCorp, Quest Diagnostics)
Low
-9.0 (-36.0%) from previous test
30 ng/mLOptimal: 100200400 ng/mL

What High Means

Elevated ferritin may indicate iron overload (hemochromatosis), inflammation, liver disease, or metabolic syndrome. Excess iron is oxidative and damages organs.

Possible Symptoms

Joint pain, fatigue, abdominal pain, skin discoloration (if hemochromatosis)

What Low Means

Low ferritin indicates iron deficiency, the most common nutritional deficiency worldwide. Causes fatigue, weakness, hair loss, and impaired cognitive function — often before anemia develops.

Possible Symptoms

Fatigue, weakness, hair loss, pale skin, shortness of breath, restless legs, poor concentration

Risk Factors

Iron overload damage (high), anemia and fatigue (low)

Actionable Advice

Supplements

  • Iron bisglycinate (if low)
  • Vitamin C (enhances iron absorption)
  • Lactoferrin

Diet & Lifestyle

  • If high: donate blood regularly (most effective way to lower ferritin)
  • If low: pair iron-rich foods with vitamin C
  • Avoid tea/coffee with iron-rich meals (inhibits absorption)
  • Test ferritin alongside iron, TIBC, and iron saturation for complete picture
  • Consider hemochromatosis genetic testing if persistently elevated

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Ask questions about your Ferritin results, trends, and what you can do to optimize.

Historical Trend

Reference
Optimal
Last researched Feb 14, 2026

All Readings

DateValueChange
2026-01-2816 ng/mL-9.0
2025-08-2525 ng/mL