Too much vitamin A may cause fractures in the elderly
Studies have shown that people with the highest levels of vitamin A in the blood have a risk of fracture that is 1 to 6 times higher than those with average levels. Specific to hip fractures, those with higher levels of vitamin A had a greater risk than those with the lowest levels. 5 times. There was no link between fracture risk and beta-carotene levels.
Researchers say blood levels of vitamin A tend to increase with age, likely because it takes longer to clear it from the body. Too little vitamin A is most harmful to malnourished children, while too much vitamin A is most harmful to adults, especially the elderly.
This study suggests that vitamin A supplements or fortifiers in Western countries may be harmful.
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