Summary: Carotenoids, vitamin A, and their association with the metabolic syndrome: a systematic review and meta-analysis

Beydoun MA, Chen X, Jha K, Beydoun HA, Zonderman AB, Canas JA; Jan. 2019

Objective:

This systematic review and meta-analysis, which follows PRISMA guidelines, evaluates evidence from a period of 20 years that links vitamin A and carotenoids with the occurrence of MetS and following the PRISMA guidelines.