Approximately two-thirds of iron in the body is found in haemoglobin present in circulating erythrocytes, 25% is contained in a readily available iron store, and the remaining 15% is bound to myoglobin in muscle tissue and in enzymes involved in the oxidative metabolism and many other cell functions.1b In the body, iron is required for the synthesis of oxygen transport proteins (haemoglobin and myoglobin) and for the formation of haem enzymes and other involved in electron transfer and oxidation-reductions.1b It is well-known that deficiency or over exposure to iron or other essential elements may have noticeable effects on human health.1a

Covid‐19 patients with anaemia were predisposed to more severe inflammatory responses, coagulation disorders and organ injuries

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