Meta Review on the Effect of Iron Deficiency on Blood Donor

More than 60% of the world’s countries do not have enough blood. According to analysis report blood donors recorded in 2021 annual Taiwan Blood Service Foundation. Taiwan’s also hemoglobin disqualification issues, with 5.5% them failing physical examinations before donation. The research method is a systematic review and comprehensive literature. Meta-search has shown that long-term are faced iron deficiency. Moderate intake by longterm can improve impact on ferritin. Significantly delayed donation phenomenon donors.