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- W3204136621 abstract "Introduction Nowadays, it has been observed an increase consumption in vitamins and food supplements (FS). In Portugal, in 2018, more than 2 million individuals reported the intake of these products [1 Marktest. Consumo_Marktest. Consumidores de vitaminas e suplementos duplicam em 5 anos. 219AD. Available from: www.maktest.pt. [Google Scholar]]. Media has been given a particular attention to the high prevalence of vitamin D (VitD) deficiency, which may explain its highest consumption [2 Caulfield T, Clark MI, Mccormack JP, et al. Representations of the health value of vitamin D supplementation in newspapers: media content analysis. BMJ Open. 2014;4(12):e006395–e006397.[Crossref], [PubMed], [Web of Science ®] , [Google Scholar]]. This vitamin increases intestinal calcium absorption and plays a central role in its homeostasis. Although vitD toxicity is uncommon, being a fat-soluble vitamin, excessive supplementation may result in body accumulation and toxicity [3 Verkaik-Kloosterman J, McCann M, Hoekstra J, et al. Vitamins and minerals: issues associated with too low and too high population intakes. Food Nutr Res. 2012;56(1):5728.[Taylor & Francis Online], [Web of Science ®] , [Google Scholar]]. The aim of this study is to evaluate if daily dose of vitamin D claimed in FS labels is in conformity with the recommended daily allowances (RDA) for this vitamin defined by European Union Directive and Portuguese legislation [4 Commission Directive 2008/100/EC October 2008. Official Journal of the European Union. 2008. p. 9–12.[Crossref] , [Google Scholar]].Materials and methods A total of 65 FS sold in Portuguese pharmacies, health shops, supermarkets and on the internet were examined for indicated daily intake and dosage of vitamin D. Selection criteria included: oral liquid pharmaceutical forms, for adults or paediatric consumption containing vitD in its composition, as mentioned in the label, regardless of the purpose of the FS.Results 35 (54%) FS presented vitD label doses above RDA and six (9%) of them indicated a daily dose ≥ the tolerable upper intake level defined by EFSA (UL = 100 μg/day) (Figure 1).Vitamin D in liquid food supplements: are labels in line with RDA?All authorsR. Inez, A. Figueiredo, I. M. Costa & M. D. Auxterohttps://doi.org/10.1080/07853890.2021.1896145Published online:28 September 2021Figure 1. NIR calibration curve used to predict the amorphous fraction of OLZ.Display full sizeFigure 1. NIR calibration curve used to predict the amorphous fraction of OLZ.Discussion and conclusions VitD label dose far exceeded RDA value in most of the FS evaluated and some exceeded UL defined by EFSA. Currently, the economic operators who place FS on the market are the responsible for the safety and the authenticity of label data. Attending that these products are often taken without any medical supervision or counselling and vitD excess may trigger adverse effects and also considering that some of these liquid formulations are for children consumption, it increases the concern about FS safety, it is imperative that the daily doses of this vitamin are reviewed in FS, in accordance to RDA values. FS should be under the same quality control of pharmaceuticals, regarding FS consumers health." @default.
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- W3204136621 date "2021-04-01" @default.
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- W3204136621 title "Vitamin D in liquid food supplements: are labels in line with RDA?" @default.
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- W3204136621 doi "https://doi.org/10.1080/07853890.2021.1896145" @default.
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