What to watch with Ferritin and Blutzucker?

Ferritin and blood sugar (glucose) are closely linked. Elevated ferritin may indicate iron overload, which is associated with insulin resistance and type 2 diabetes. However, ferritin is also an acute-phase reactant, rising with inflammation, so it should not be interpreted in isolation. Conversely, low ferritin (iron deficiency) can impair glucose tolerance. When monitoring, consider that ferritin alone is insufficient; additional markers like transferrin saturation, CRP, and fasting glucose or HbA1c provide context. Liver disease and alcohol intake can also raise ferritin. For those managing blood sugar, checking iron status is prudent. Do not supplement iron without medical guidance, as excess iron can worsen insulin resistance. Evidence: strong human observational and interventional studies support the iron-glucose link, but ferritin is a surrogate marker with limitations. Always interpret in a broader clinical picture.