60 peer-reviewed studies · Evidence score: 9/10
Han Z et al. • Infection (2025)
D-mannose, triple therapy, vaccine, probiotics, and cranberry serve as potential nonantibiotic intervention options for clinical UTI prevention.
Bjelakovic G et al. • BMJ open (2024)
Based on moderate certainty of evidence, vitamin A had no effect on mortality in the individually randomised trials.
Ghannadi S et al. • Scientific Reports (2022)
Vitamin A supplementation may affect inflammatory biomarkers in complex ways.
Oh C et al. • Nutrients (2020)
In addition, they further contribute to the ongoing discourse of choosing antenatal MMN over IFA as the standard of care in LMICs.
Wiysonge CS et al. • The Cochrane database of systematic reviews (2017)
Antepartum or postpartum vitamin A supplementation, or both, probably has little or no effect on mother-to-child transmission of HIV in women living with HIV infection and not on antiretroviral drugs.
Oliveira JM et al. • The Cochrane database of systematic reviews (2016)
There was no evidence of benefit from different doses of vitamin A supplementation for postpartum women on maternal and infant mortality and morbidity, compared with other doses or placebo.
Balogun OO et al. • The Cochrane database of systematic reviews (2016)
Taking any vitamin supplements prior to pregnancy or in early pregnancy does not prevent women experiencing miscarriage.
Tan X et al. • BMJ global health (2024)
Overnutrition is associated with increased risk of ID, but not zinc or VA deficiencies, with an inverted U-shaped relationship observed between iron status and bodyweight.
Hombali AS et al. • The Cochrane database of systematic reviews (2019)
Fortifying staple foods with vitamin A alone may make little or no difference to serum retinol concentrations or the risk of subclinical vitamin A deficiency.
Lodi G et al. • The Cochrane database of systematic reviews (2016)
Surgical treatment for oral leukoplakia has not been assessed in an RCT that included a no treatment or placebo comparison.
Bronnert A et al. • PloS one (2025)
There are few and inconclusive data on the effect of vitamin supplementation in preterm infants on later neurodevelopment.
Eyeberu A et al. • International health (2023)
Nearly one-third of pregnant women in Ethiopia had VAD.
Florez ID et al. • PloS one (2018)
Most interventions analyzed (except vitamin A, micronutrients, prebiotics, and kaolin-pectin) showed evidence of superiority to placebo in reducing the diarrhea.
Batais WT et al. • BMJ open ophthalmology (2024)
Lipids show promise in reducing severe ROP in preterm infants, while vitamin A and propranolol were not effective.
Imdad A et al. • The Cochrane database of systematic reviews (2022)
This update identified no new eligible studies and the conclusions remain the same.
Li Y et al. • The clinical respiratory journal (2024)
The Clinical Respiratory Journal
Zhou Y et al. • Annals of medicine (2024)
This meta-analysis indicated that people with tuberculosis exhibited low levels of vitamins A and D, while vitamin D deficiency was identified as a risk factor for tuberculosis.
Xu F et al. • Revista do Instituto de Medicina Tropical de Sao Paulo (2024)
However, the effectiveness of different ART regimens or other therapies, including high-dose vitamin A, is unclear.
Tripathi S et al. • European journal of clinical investigation (2024)
Our study has established noteworthy connections between vitamin A, vitamin B-complex, vitamin B6, folate, vitamin C, and vitamin D in the realm of stroke prevention.
Knapik JJ et al. • Journal of special operations medicine : a peer reviewed journal for SOF medical professionals (2021)
Until more information is available, it is advisable to consume vitamin A primarily from plant sources, avoid excessive consumption from dietary supplements and animal sources, and lower consumption from fortified foods.2021.