Based on the most current scientific evidence, the European Food Safety Authority (EFSA) has set new safe daily intake levels for iron, in lieu of a tolerable upper intake level (UL), which could not be established. The newly determined safe intake levels can help inform risk managers involved in the production of iron supplements and iron-fortified food products.

Iron is an important nutrient, but excessive intake over time can lead to negative health impacts, especially on the liver. Additionally, high-dose iron supplements may also cause adverse effects in the gastrointestinal tract. Based on the available data, EFSA has set a safe level of total iron intake at: