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Ferritin and Transferrin Saturation

Ferritin measures stored iron but is also an acute-phase reactant. Transferrin saturation reflects iron readily available for erythropoiesis.

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Jan 15, 2026
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What are the safety limits and toxicity risks of long‑term beef liver supplementation, especially for women of reproductive age?

Beef liver and desiccated liver supplements are nutrient-dense sources of iron, B12, folate and preformed vitamin A—but that potency is a double‑edged sword: concentrated retinol can exceed safe limit...

Jan 11, 2026

Can ferritin be misleading and when should transferrin saturation be used?

Ferritin measures stored iron but is also an acute-phase reactant, so elevated ferritin can reflect inflammation, liver disease, or other non‑iron causes and therefore mislead clinicians about true ir...