Scientists from Harbin Medical University found the optimal time to take vitamin supplements during the day.
Eating time is relevant for our health. For example, studies found a link between meal timing, weight gain, and diabetes with benefits deriving from an early eating time.
However, less is known about the impact of dietary vitamin intake time on health.
Vitamins and minerals, such as iron, calcium, and vitamin C, are essential nutrients that your body needs in small amounts to work properly.
Many people choose to take supplements but taking too much or taking them for too long could be harmful.
In the current study, researchers aimed to examine which vitamin intake time could influence the risk of heart disease.
They examined data from 27,455 adults enrolled in the National Health and Nutrition Examination Survey (NHANES) during 2003-2014.
The 12 dietary vitamin intakes in the morning, afternoon, and evening were examined.
The team found that compared with people taking vitamin B2 at other times of the day, people taking VB2 in the morning had the lowest death risk of heart disease.
But people who took dietary-vitamin B6 (VB6), vitamin C (VC), vitamin E (VE), and folate-equivalent in the evening showed the lowest risks of heart disease.
The team also found replacing 10% intake of dietary VB6, VC, VE, and folate-equivalent in the morning with the evening was linked to a 4%, 5%, 4%, and 5% lower risk of heart disease death risk.
Based on these findings, the team suggests that the optimal intake time of dietary VB2 was in the morning, and the optimal intake times of dietary VB6, VC, VE, and folate-equivalent were in the evening.
The research was published in Frontiers in Cardiovascular Medicine and conducted by Wenbo Gu et al.
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