Changes in Vitamin D Status in Overweight Middle-Aged Adults with or without Impaired Glucose Metabolism in Two Consecutive Nordic Summers.
Petra LundströmKenneth CaidahlMaria J ErikssonTomas FritzAnna KrookJuleen R ZierathAnette RickenlundPublished in: Journal of nutrition and metabolism (2019)
In the present study, sun exposure had a beneficial but insufficient effect on 25[OH]D levels, and the same levels were documented in two consecutive summer seasons, confirming that vitamin D supplementation in both summer and winter should be considered in this population.