Therefore , vitamin A supplementation alone may reduce the risk of anemia , by improving hemoglobin and ferritin levels in individuals with low serum retinol levels
ABSTRACT Anemia is a worldwide public health problem that can be related to many causes , including vitamin A deficiency .
The aim of this study was to assess and estimate the effect of vitamin A supplementation ( VAS ) on iron status biomarkers and anemia in humans .
Effect of vitamin A and Zn supplementation on indices of vitamin A status, haemoglobin level and defecation of children with persistent diarrhea
To investigate the effect of vitamin A and Zn supplementation on vitamin A status , haemoglobin level and defecation of children with persistent diarrhea , a total of 160 paediatric patients were r and omly assigned to one of four intervention groups : daily supplementation of 1,500 IU VA for 14 days ; daily Zn supplementation for 14 days ; daily supplementation with both VA and Zn for 14 days ; no supplementation .  One hundred twenty-seven children with persistent diarrhea finished intervention ( 33 were lost to follow-up ) . Among the 127 children , 41 ( 32.28 % ) had anaemia , 104 ( 81.89 % ) had a VA deficiency and 38 ( 29.92 % ) had an iron insufficiency . Supplementation with VA or VA + Zn enhanced the serum VA levels and ameliorated anaemia . Supplementation with Zn and VA + Zn for 5 days significantly improved defecation , where the VA + Zn treatment result ed in superior outcomes . After 14 days of intervention , the total effectiveness rates were 93.94 % , 96.77 % and 96.67 % in the three groups , significantly greater than that of the non-supplementation group ( 72.73 % ) . These results indicate that single VA or concurrent VA + Zn supplementation can improve vitamin A status , haemoglobin level and defecation .  However , concurrent VA + Zn supplementation is the optimal option and can shorten the duration of persistent diarrhea and markedly improve nutritional status . ( www . clinical trials.gov registration number : ChiCTR-IOR-14005498
Therefore , vitamin A supplementation alone may reduce the risk of anemia , by improving hemoglobin and ferritin levels in individuals with low serum retinol levels
ABSTRACT Anemia is a worldwide public health problem that can be related to many causes , including vitamin A deficiency .
The aim of this study was to assess and estimate the effect of vitamin A supplementation ( VAS ) on iron status biomarkers and anemia in humans .