Methodological quality of public health guideline recommendations on vitamin D and calcium : a systematic review protocol.

ABSTRACT: INTRODUCTION:Current recommendations for vitamin D and calcium in dietary guidelines and bone health guidelines vary significantly among countries and professional organisations. It is unknown whether the methods used to develop these recommendations followed a rigourous process and how the differences in methods used may affect the recommended intakes of vitamin D and calcium. The objectives of this study are (1) collate and compare recommendations for vitamin D and calcium across guidelines, (2) appraise methodological quality of the guideline recommendations and (3) identify methodological factors that may affect the recommended intakes for vitamin D and calcium. This study will make a significant contribution to enhancing the methodological rigour in public health guidelines for vitami

SUBMITTER: Dai Z 

PROVIDER: S-EPMC6858133 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature