The relationship between vitamin a and risk of fracture: meta-analysis of prospective studies
Journal of Bone and Mineral Research, Wu AM, et al.
Osteoporotic fracture significant causes morbidity and mortality, is a challenged global health problem. The previous reports of the relation between vitamin A intake or blood retinol and risk of fracture were inconsistent. To avoid the risk of hip fracture caused by too lower or too higher level of retinol concentration, the authors suggest that intake beta–carotene (a provitamin A), which should be converted to retinol in blood, may be better than retinol from meat which will direct absorbed into blood after intake for risk of fracture.
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