The stability of Sodium Ferrous Citrate (SFC), the ingredient of Sanferol^®, and a fine iron powder product (the other company’s iron material) in solutions, when used in beverages, was evaluated by determining the permeability of these solutions at pH values of 3.0, 4.0, 5.0 and 6.0. SFC was more stable in these solutions than the fine iron powder preparation. The ‘best before’ date for solutions of SFC can be set for a longer period, for example at least 1 year, compared to the fine iron powder preparation.²⁾ The appearance of the SFC-added beverages such as watery, crush and yogurt beverages, which had been stored at 40^°C for 2 months, was observed. SFC can be added to watery beverages without changing the taste or color.³⁾

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