Group KDIGO (KDIGO) C-MW (2009) KDIGO clinical practice guideline for the diagnosis, evaluation, prevention, and treatment of Chronic Kidney Disease-Mineral and Bone Disorder (CKD-MBD). Kidney Int Suppl. https://doi.org/10.1038/ki.2009.188
Article
Google Scholar
Schaeffner ES, Ebert N, Delanaye P et al (2012) Two novel equations to estimate kidney function in persons aged 70 years or older. Ann Intern Med 157:471. https://doi.org/10.7326/0003-4819-157-7-201210020-00003
Article
PubMed
Google Scholar
Coresh J, Selvin E, Stevens LA et al (2007) Prevalence of chronic kidney disease in the United States. JAMA 298:2038. https://doi.org/10.1001/jama.298.17.2038
CAS
Article
PubMed
Google Scholar
Stevens PE, Levin A, Kidney Disease: Improving Global Outcomes Chronic Kidney Disease Guideline Development Work Group Members (2013) Evaluation and management of chronic kidney disease: synopsis of the kidney disease: improving global outcomes 2012 clinical practice guideline. Ann Intern Med 158:825. https://doi.org/10.7326/0003-4819-158-11-201306040-00007
Article
Google Scholar
Kerr M (2012) Chronic kidney disease in England: the human and financial cost
Nigwekar SU, Bhan I, Thadhani R (2012) Ergocalciferol and cholecalciferol in CKD. Am J Kidney Dis 60:139–156. https://doi.org/10.1053/j.ajkd.2011.12.035
CAS
Article
PubMed
Google Scholar
Moe SM (2010) Definition and classification of renal osteodystrophy and chronic kidney disease–mineral bone disorder (CKD–MBD). In: The spectrum of mineral and bone disorders in chronic kidney disease. Oxford University Press, pp 1–14
SACN (2016) Vitamin D and health 2016
Holick MF, Binkley NC, Bischoff-Ferrari HA et al (2011) Evaluation, treatment, and prevention of vitamin D deficiency: an endocrine society clinical practice guideline. J Clin Endocrinol Metab 96:1911–1930
CAS
Article
Google Scholar
Rhee CM, Ahmadi S-F, Kovesdy CP, Kalantar-Zadeh K (2018) Low-protein diet for conservative management of chronic kidney disease: a systematic review and meta-analysis of controlled trials. J Cachexia Sarcopenia Muscle 9:235–245. https://doi.org/10.1002/jcsm.12264
Article
PubMed
Google Scholar
Christakos S, Ajibade DV, Dhawan P et al (2010) Vitamin D: metabolism. Endocrinol Metab Clin N Am 39:243–53. https://doi.org/10.1016/j.ecl.2010.02.002
CAS
Article
Google Scholar
Michaud J, Naud J, Ouimet D et al (2010) Reduced hepatic synthesis of calcidiol in uremia. J Am Soc Nephrol 21:1488–1497. https://doi.org/10.1681/ASN.2009080815
CAS
Article
PubMed
PubMed Central
Google Scholar
Prosser D, Jones G (2004) Enzymes involved in the activation and inactivation of vitamin D. Trends Biochem Sci 29:664–673. https://doi.org/10.1016/j.tibs.2004.10.005
CAS
Article
PubMed
Google Scholar
Anderson PH, Lam NN, Turner AG et al (2013) The pleiotropic effects of vitamin D in bone. J Steroid Biochem Mol Biol 136:190–194
CAS
Article
Google Scholar
Evenepoel P, Bover J, Ureña Torres P (2016) Parathyroid hormone metabolism and signaling in health and chronic kidney disease. Kidney Int 90:1184–1190. https://doi.org/10.1016/J.KINT.2016.06.041
CAS
Article
PubMed
Google Scholar
Isakova T, Wahl P, Vargas GS et al (2011) Fibroblast growth factor 23 is elevated before parathyroid hormone and phosphate in chronic kidney disease. Kidney Int 79:1370–1378. https://doi.org/10.1038/KI.2011.47
CAS
Article
PubMed
PubMed Central
Google Scholar
De Francisco ALM (2004) Secondary hyperparathyroidism: review of the disease and its treatment. Clin Ther 26:1976–1993. https://doi.org/10.1016/j.clinthera.2004.12.011
Article
PubMed
Google Scholar
Alvarez JA, Zughaier SM, Law J et al (2013) Effects of high-dose cholecalciferol on serum markers of inflammation and immunity in patients with early chronic kidney disease. Eur J Clin Nutr 67:264–269. https://doi.org/10.1038/ejcn.2012.217
CAS
Article
PubMed
Google Scholar
Lundwall K, Jörneskog G, Jacobson SH, Spaak J (2015) Paricalcitol, microvascular and endothelial function in non-diabetic chronic kidney disease: a randomized trial. Am J Nephrol 42:265–273. https://doi.org/10.1159/000441364
CAS
Article
PubMed
Google Scholar
Levin A, Perry T, De Zoysa P et al (2014) A randomized control trial to assess the impact of vitamin D supplementation compared to placebo on vascular stiffness in chronic kidney disease patients. BMC Cardiovasc Disord. https://doi.org/10.1186/1471-2261-14-156
Article
PubMed
PubMed Central
Google Scholar
Susantitaphong P, Nakwan S, Peerapornratana S et al (2017) A double-blind, randomized, placebo-controlled trial of combined calcitriol and ergocalciferol versus ergocalciferol alone in chronic kidney disease with proteinuria. BMC Nephrol. https://doi.org/10.1186/s12882-017-0436-6
Article
PubMed
PubMed Central
Google Scholar
Sprague SM, Silva AL, Al-Saghir F et al (2014) Modified-release calcifediol effectively controls secondary hyperparathyroidism associated with vitamin D insufficiency in chronic kidney disease. Am J Nephrol 40:535–545. https://doi.org/10.1159/000369939
CAS
Article
PubMed
Google Scholar
Cupisti A, Egidi MF, Vigo V et al (2015) Vitamin D status and cholecalciferol supplementation in chronic kidney disease patients: an Italian cohort report. Int J Nephrol Renovasc Dis 8:151. https://doi.org/10.2147/IJNRD.S90968
CAS
Article
PubMed
PubMed Central
Google Scholar
Alvarez JA, Law J, Coakley KE et al (2012) High-dose cholecalciferol reduces parathyroid hormone in patients with early chronic kidney disease: a pilot, randomized, double-blind, placebo-controlled trial. Am J Clin Nutr 96:672–679. https://doi.org/10.3945/ajcn.112.040642
CAS
Article
PubMed
PubMed Central
Google Scholar
Petchey WG, Hickman IJ, Prins JB et al (2013) Vitamin D does not improve the metabolic health of patients with chronic kidney disease stage 3–4: a randomized controlled trial. Nephrology 18:26–35. https://doi.org/10.1111/j.1440-1797.2012.01662.x
CAS
Article
PubMed
Google Scholar
de Boer IH, Sachs M, Hoofnagle AN et al (2013) Paricalcitol does not improve glucose metabolism in patients with stage 3–4 chronic kidney disease. Kidney Int 83:323–330. https://doi.org/10.1038/ki.2012.311
CAS
Article
PubMed
Google Scholar
Alborzi P, Patel NA, Peterson C et al (2008) Paricalcitol reduces albuminuria and inflammation in chronic kidney disease a randomized double-blind pilot trial. Hypertension 52:249–255. https://doi.org/10.1161/HYPERTENSIONAHA.108.113159
CAS
Article
PubMed
Google Scholar
Larsen T, Mose FH, Bech JN, Pedersen EB (2013) Effect of paricalcitol on renin and albuminuria in non-diabetic stage III-IV chronic kidney disease: a randomized placebo-controlled trial. BMC Nephrol. https://doi.org/10.1186/1471-2369-14-163
Article
PubMed
PubMed Central
Google Scholar
Dreyer G, Tucker AT, Harwood SM et al (2014) Ergocalciferol and microcirculatory function in chronic kidney disease and concomitant vitamin D deficiency: an exploratory, double blind, randomised controlled trial. PLoS ONE. https://doi.org/10.1371/journal.pone.0099461
Article
PubMed
PubMed Central
Google Scholar
Thadhani R, Appelbaum E, Pritchett Y et al (2012) Vitamin D therapy and cardiac structure and function in patients with chronic kidney disease: the PRIMO randomized controlled trial. JAMA 307:674–684. https://doi.org/10.1001/jama.2012.120
CAS
Article
PubMed
Google Scholar
Yadav AK, Kumar V, Banerjee D et al (2018) Effect of vitamin D supplementation on serum sclerostin levels in chronic kidney disease 180:15–18. https://doi.org/10.1016/j.jsbmb.2018.01.007
CAS
Article
Google Scholar
Kim MJ, Frankel AH, Donaldson M et al (2011) Oral cholecalciferol decreases albuminuria and urinary TGF-β1 in patients with type 2 diabetic nephropathy on established renin–angiotensin–aldosterone system inhibition. Kidney Int 80:851–860. https://doi.org/10.1038/ki.2011.224
CAS
Article
PubMed
Google Scholar
Aytaç MB, Deveci M, Bek K et al (2016) Effect of cholecalciferol on local arterial stiffness and endothelial dysfunction in children with chronic kidney disease. Pediatr Nephrol 31:267–277. https://doi.org/10.1007/s00467-015-3220-5
Article
PubMed
Google Scholar
Meireles MS, Kamimura MA, Dalboni MA et al (2016) Effect of cholecalciferol on vitamin D-regulatory proteins in monocytes and on inflammatory markers in dialysis patients: a randomized controlled trial. Clin Nutr 35:1251–1258. https://doi.org/10.1016/j.clnu.2016.04.014
CAS
Article
PubMed
Google Scholar
Zisman AL, Hristova M, Ho LT, Sprague SM (2007) Impact of ergocalciferol treatment of vitamin D deficiency on serum parathyroid hormone concentrations in chronic kidney disease. Am J Nephrol 27:36–43. https://doi.org/10.1159/000098561
CAS
Article
PubMed
Google Scholar
Al-Aly Z, Qazi RA, González EA et al (2007) Changes in serum 25-hydroxyvitamin D and plasma intact PTH levels following treatment with ergocalciferol in patients with CKD. Am J Kidney Dis 50:59–68. https://doi.org/10.1053/J.AJKD.2007.04.010
CAS
Article
PubMed
Google Scholar
Slatopolsky E, Weerts C, Thielan J et al (1984) Marked suppression of secondary hyperparathyroidism by intravenous administration of 1,25-dihydroxy-cholecalciferol in uremic patients. J Clin Invest 74:2136–2143. https://doi.org/10.1172/JCI111639
CAS
Article
PubMed
PubMed Central
Google Scholar
Berl T, Berns AS, Hufer WE et al (1978) 1,25 dihydroxycholecalciferol effects in chronic dialysis. A double-blind controlled study. Ann Intern Med 88:774–780. https://doi.org/10.7326/0003-4819-88-6-774
CAS
Article
PubMed
Google Scholar
Koizumi M, Komaba H, Fukagawa M (2013) Parathyroid function in chronic kidney disease: role of FGF23-Klotho axis. Contrib Nephrol 180:110–123. https://doi.org/10.1159/000346791
CAS
Article
PubMed
Google Scholar
van Tulder M, Furlan A, Bombardier C et al (2003) Updated method guidelines for systematic reviews in the cochrane collaboration back review group. Spine 28:1290–9. https://doi.org/10.1097/01.BRS.0000065484.95996.AF
Article
PubMed
Google Scholar
Dogan E, Erkoc R, Sayarlioglu H et al (2008) Effect of depot oral cholecalciferol treatment on secondary hyperparathyroidism in stage 3 and stage 4 chronic kidney diseases patients. Ren Fail 30:407–410. https://doi.org/10.1080/08860220801964210
CAS
Article
PubMed
Google Scholar
Okša A, Spustová V, Krivošíková Z et al (2008) Effects of long-term cholecalciferol supplementation on mineral metabolism and calciotropic hormones in chronic kidney disease. Kidney Blood Press Res 31:322–329. https://doi.org/10.1159/000157177
CAS
Article
PubMed
Google Scholar
Moe SM, Saifullah A, LaClair RE et al (2010) A randomized trial of cholecalciferol versus doxercalciferol for lowering parathyroid hormone in chronic kidney disease. Clin J Am Soc Nephrol 5:299–306. https://doi.org/10.2215/CJN.07131009
CAS
Article
PubMed
PubMed Central
Google Scholar
Chandra P, Binongo JNG, Ziegler TR et al (2008) Cholecalciferol (vitamin D3) therapy and vitamin D insufficiency in patients with chronic kidney disease: a randomized controlled pilot study. Endocr Pract 14:10–17. https://doi.org/10.4158/EP.14.1.10
Article
PubMed
PubMed Central
Google Scholar
Westerberg A, Sterner G, Ljunggren O et al (2018) High doses of cholecalciferol alleviate the progression of hyperparathyroidism in patients with CKD Stages 3–4: results of a 12-week double-blind, randomized, controlled study. Nephrol Dial Transpl 33:466–471. https://doi.org/10.1093/ndt/gfx059
CAS
Article
Google Scholar
Kovesdy CP, Lu JL, Malakauskas SM et al (2012) Paricalcitol versus ergocalciferol for secondary hyperparathyroidism in CKD stages 3 and 4: a randomized controlled trial. Am J Kidney Dis 59:58–66. https://doi.org/10.1053/j.ajkd.2011.06.027
CAS
Article
PubMed
Google Scholar
Petkovich M. BCW (2018) Vitamin D: Volume 1: Biochemistry, Physiology and Diagnostics. In: David F, Wesley PJ, Roger B, Edward G, David HMG (eds), 4th edn. Elsevier, pp 667–678
Petkovich M, Melnick J, White J et al (2015) Modified-release oral calcifediol corrects vitamin D insufficiency with minimal CYP24A1 upregulation. J Steroid Biochem Mol Biol 148:283–289. https://doi.org/10.1016/j.jsbmb.2014.11.022
CAS
Article
PubMed
Google Scholar
Sprague SM, Crawford PW, Melnick JZ et al (2016) Use of extended-release calcifediol to treat secondary hyperparathyroidism in stages 3 and 4 chronic kidney disease. Am J Nephrol 44:316–325. https://doi.org/10.1159/000450766
CAS
Article
PubMed
Google Scholar
Levin A, Tang M, Perry T et al (2017) Randomized controlled trial for the effect of vitamin D supplementation on vascular stiffness in CKD. Clin J Am Soc Nephrol 12:1447–1460. https://doi.org/10.2215/CJN.10791016
CAS
Article
PubMed
PubMed Central
Google Scholar
Evenepoel P (2008) Calcimimetics in chronic kidney disease: evidence, opportunities and challenges. Kidney Int 74:265–275. https://doi.org/10.1038/ki.2008.166
CAS
Article
PubMed
Google Scholar
Slatopolsky E, Weerts C, Thielan J et al (1984) Marked suppression of secondary hyperparathyroidism by intravenous administration of 1,25-dihydroxycholecalciferol in uremic patients. J Clin Invest 74:2136–2143. https://doi.org/10.1172/JCI111639
CAS
Article
PubMed
PubMed Central
Google Scholar
De Zeeuw D, Agarwal R, Amdahl M et al (2010) Selective vitamin D receptor activation with paricalcitol for reduction of albuminuria in patients with type 2 diabetes (VITAL study): a randomised controlled trial. Lancet 376:1543–1551. https://doi.org/10.1016/S0140-6736(10)61032-X
CAS
Article
PubMed
Google Scholar
Wang AYM, Fang F, Chan J et al (2014) Effect of paricalcitol on left ventricular mass and function in CKD-The OPERA trial. J Am Soc Nephrol 25:175–186. https://doi.org/10.1681/ASN.2013010103
CAS
Article
PubMed
Google Scholar
Zoccali C, Curatola G, Panuccio V et al (2014) Paricalcitol and endothelial function in chronic kidney disease trial. Hypertension 64:1005–1011. https://doi.org/10.1161/HYPERTENSIONAHA.114.03748
CAS
Article
PubMed
Google Scholar
Riccio E, Sabbatini M, Bruzzese D et al (2015) Effect of paricalcitol vs calcitriol on hemoglobin levels in chronic kidney disease patients: a randomized trial. PLoS ONE. https://doi.org/10.1371/journal.pone.0118174
Article
PubMed
PubMed Central
Google Scholar
Coyne D, Acharya M, Qiu P et al (2006) Paricalcitol capsule for the treatment of secondary hyperparathyroidism in stages 3 and 4 CKD. Am J Kidney Dis 47:263–276. https://doi.org/10.1053/j.ajkd.2005.10.007
CAS
Article
PubMed
Google Scholar
Coyne DW, Goldberg S, Faber M et al (2014) A randomized multicenter trial of paricalcitol versus calcitriol for secondary hyperparathyroidism in stages 3–4 CKD. Clin J Am Soc Nephrol 9:1620–1626. https://doi.org/10.2215/CJN.10661013
CAS
Article
PubMed
PubMed Central
Google Scholar
Moslehi N, Shab-Bidar S, Mirmiran P et al (2013) Determinants of parathyroid hormone response to Vitamin D supplementation: a systematic review and meta-analysis of randomised controlled trials. Br J Nutr 114:1360–1374. https://doi.org/10.1017/S0007114515003189
CAS
Article
Google Scholar
Cranney A, Horsley T, O’Donnell S, et al (2007) Effectiveness and safety of vitamin D in relation to bone health. Agency for Healthcare Research and Quality (US)
Shimada T, Hasegawa H, Yamazaki Y et al (2003) FGF-23 is a potent regulator of vitamin D metabolism and phosphate homeostasis. J Bone Miner Res 19:429–435. https://doi.org/10.1359/JBMR.0301264
CAS
Article
PubMed
Google Scholar
Middleton R, Parfrey P, Foley R et al (2014) Left ventricular hypertrophy in the renal patient. J Am Soc Nephrol 12:1079–1084. https://doi.org/10.1681/asn.2013050465
Article
Google Scholar
Lattanzio MR, Weir MR (2010) Does blockade of the renin-angiotensin-aldosterone system slow progression of all forms of kidney disease? Curr Hypertens Rep 12:369–377. https://doi.org/10.1007/s11906-010-0142-2
CAS
Article
PubMed
Google Scholar
Charoenngam N, Rujirachun P, Holick MF, Ungprasert P (2019) Oral vitamin D3 supplementation increases serum fibroblast growth factor 23 concentration in vitamin D-deficient patients: a systematic review and meta-analysis. Osteoporos Int 30:2183–2193
CAS
Article
Google Scholar
Hojs R, Bevc S, Ekart R et al (2008) Serum crystatin C-based equation compared to serum creatinine-based equations for estimation of glomerular filtration rate in patient with chronic kidney disease. Clin Nephrol 70:10–17. https://doi.org/10.5414/cnp70010
CAS
Article
PubMed
Google Scholar
National Kidney Foundation (2009) Cystatin C
NICE (2019) Chronic kidney disease - NICE CKS. https://cks.nice.org.uk/chronic-kidney-disease#!scenario. Accessed 4 Dec 2019
National Institute for Clinical Excellence (2015) Chronic kidney disease in adults: assessment and management. NICE
Pedone C, Corsonello A, Incalzi RA (2006) Estimating renal function in older people: a comparison of three formulas. Age Ageing 35:121–126. https://doi.org/10.1093/ageing/afj041
Article
PubMed
Google Scholar
Yuste C, Quiroga B, García de Vinuesa S et al (2015) The effect of some medications given to CKD patients on vitamin D levels. Nefrol 35:150–156. https://doi.org/10.1016/J.NEFROE.2015.05.006
Article
Google Scholar
Manson JE, Bassuk SS, Lee I-M et al (2012) The VITamin D and OmegA-3 TriaL (VITAL): rationale and design of a large randomized controlled trial of vitamin D and marine omega-3 fatty acid supplements for the primary prevention of cancer and cardiovascular disease. Contemp Clin Trials 33:159–171. https://doi.org/10.1016/j.cct.2011.09.009
CAS
Article
PubMed
Google Scholar
Dusso AS (2011) Kidney disease and vitamin D levels: 25-hydroxyvitamin D, 1,25-dihydroxyvitamin D, and VDR activation. Kidney Int Suppl 1:136–141. https://doi.org/10.1038/kisup.2011.30
CAS
Article
Google Scholar
Caravaca-Fontán F, Gonzales-Candia B, Luna E, Caravaca F (2016) Relative importance of the determinants of serum levels of 25-hydroxy vitamin D in patients with chronic kidney disease. Nefrol 36:510–516. https://doi.org/10.1016/j.nefroe.2016.11.010
Article
Google Scholar
Chan S, Au K, Francis RS et al (2017) Phosphate binders in patients with chronic kidney disease. Aust Prescr 40:9–14
Article
Google Scholar
National Kidney Foundation (2003) K/DOQI clinical practice guidelines for bone metabolism and disease in chronic kidney disease. Am J Kidney Dis 42:1–202
Google Scholar
Feldman D (2018) Vitamin D, vol 2. Academic Press, Health, Disease and Therapeutics
Google Scholar
Ginsberg C, Zelnick LR, Block GA et al (2020) Differential effects of phosphate binders on vitamin D metabolism in chronic kidney disease. Nephrol Dial Transpl 35:616–623. https://doi.org/10.1093/ndt/gfaa010
CAS
Article
Google Scholar
Bouillon R (2017) Comparative analysis of nutritional guidelines for vitamin D. Nat Rev Endocrinol 13:466–479
CAS
Article
Google Scholar
Lips P, Cashman KD, Lamberg-Allardt C, Bischoff-Ferrari HA, Obermayer-Pietsch B, Bianchi ML, Stepan J et al (2019) Current vitamin D status in European and Middle East countries and strategies to prevent vitamin D deficiency: a position statement of the European Calcified Tissue Society. Eur J Endocrinol 180:23–54. https://doi.org/10.1530/EJE-18-0736
Article
Google Scholar
Ross AC, Manson JAE, Abrams SA et al (2011) The 2011 report on dietary reference intakes for calcium and vitamin D from the Institute of Medicine: what clinicians need to know. J Clin Endocrinol Metab 96:53–58
CAS
Article
Google Scholar
European Food Safety Authority (EFSA) (2017) Technical Report dietary reference values for nutrients summary report. https://doi.org/10.2903/sp.efsa.2017.e15121
IOM (Institute of Medicine) (2011) Dietary reference intakes for calcium and vitamin D
Vitamin D deficiency in adults - treatment and prevention - NICE CKS. https://cks.nice.org.uk/vitamin-d-deficiency-in-adults-treatment-and-prevention#!scenario. Accessed 4 Dec 2019
National Kidney Foundation (2016) A clinical update on vitamin D deficiency and secondary hyperparathyroidism: vitamin D testing and supplementation in CKD stages 3–4 part 2
Francis R, Aspray T, Fraser W, Macdonald H, Patel S, Mavroeidi A, Schoenmakers I (2018) Vitamin D and bone health: a practical clinical guideline for patient management. R Osteoporos Soc 1–25
Chan M, Johnson D (2012) Vitamin D therapy (supplementation) in early chronic kidney disease
Johnson DW, Atai E, Chan M et al (2013) KHA-CARI guideline: early chronic kidney disease: detection, prevention and management. Nephrology 18:340–350. https://doi.org/10.1111/nep.12052
Article
PubMed
Google Scholar
Kidney Health Australia (2015) Chronic kidney disease (CKD) management in general practice, 4th ed. Melbourne
Isakova T, Nickolas TL, Denburg M et al (2017) KDOQI US commentary on the 2017 KDIGO clinical practice guideline update for the diagnosis, evaluation, prevention, and treatment of chronic kidney disease-mineral and bone disorder (CKD-MBD). Am J Kidney Dis 70:737–751. https://doi.org/10.1053/j.ajkd.2017.07.019
Article
PubMed
Google Scholar
KDIGO (2017) KDIGO 2017 clinical practice guideline update for the diagnosis, evaluation, prevention, and treatment of chronic kidney disease-mineral and bone disorder (CKD-MBD). Kidney Int Suppl 7:1–59. https://doi.org/10.1016/j.kisu.2017.04.001
Article
Google Scholar
Autier P, Gandini S, Mullie P (2012) A systematic review: Influence of vitamin D supplementation on serum 25-hydroxyvitamin D concentration. J Clin Endocrinol Metab 97:2606–2613
CAS
Article
Google Scholar
Heaney RP, Armas LA, Shary JR, et al (2008) 25-Hydroxylation of vitamin D 3: relation to circulating vitamin D 3 under various input conditions 1–3
Singh G, Bonham AJ (2014) A predictive equation to guide vitamin D replacement dose in patients. J Am Board Fam Med 27:495–509. https://doi.org/10.3122/jabfm.2014.04.130306
Article
PubMed
Google Scholar
Cashman KD, Fitzgerald AP, Kiely M, Seamans KM (2011) A systematic review and meta-regression analysis of the vitamin D intake-serum 25-hydroxyvitamin D relationship to inform European recommendations. Br J Nutr 106:1638–1648
CAS
Article
Google Scholar
Hoteit M, Al-Shaar L, Yazbeck C et al (2014) Hypovitaminosis D in a sunny country: time trends, predictors, and implications for practice guidelines. Metabolism 63:968–978. https://doi.org/10.1016/j.metabol.2014.04.009
CAS
Article
PubMed
Google Scholar
SCAN (2016) Vitamin D and health 2016
Food Safety Authority of Ireland (1999) Recommended dietary allowances for Ireland: 1999
Spiro A, Buttriss JL (2014) Vitamin D: an overview of vitamin D status and intake in Europe. Nutr Bull 39:322–350. https://doi.org/10.1111/nbu.12108
CAS
Article
PubMed
PubMed Central
Google Scholar