D. Fraser and D. Vitamin, Vitamin D, The Lancet, vol.345, issue.8942, pp.104-111, 1995.
DOI : 10.1016/S0140-6736(95)90067-5

R. Rizzoli and J. Et-bonjour, Pharmacologie de l'os et agents régulateurs du métabolisme phosphocalcique, Pharmacologie, des concepts fondamentaux aux applications thérapeutiques » 2 ème édition 1992, pp.501-514

J. Souberbielle, D. Prié, M. Courbebaisse, G. Friendlander, P. Houillier et al., Actualit?? sur les effets de la vitamine D et l?????valuation du statut vitaminique D, Annales d'Endocrinologie, vol.69, issue.6, pp.501-511, 2008.
DOI : 10.1016/j.ando.2008.07.010

K. Briot, M. Audran, and B. Cortet, Vitamine D : effets osseux et extra-osseux
DOI : 10.1016/j.lpm.2008.08.008

. Recommandations-de-bon-usage, La presse Médicale, pp.43-54, 2009.

A. Norman, From vitamin D to hormone D: fundamentals of vitamin D endocrine system essential for good health, Am J clin Nutr, vol.88, issue.2, pp.491-499, 2008.

J. Souberbielle, C. Cormier, and C. Kindermans, Vitamin D status and redefining serum parathyroid hormone reference rande in elderly, J Clin Endocrinol Metab, vol.86, pp.3086-90, 2001.

H. Bischoff-ferrari, E. Giovannucci, W. Willet, and T. Dietrich, Estimation of optimal serum concentration of 25hydroxyvitamin D for multiple health outcomes, Am J Clin Nutr, vol.84, pp.18-28, 2006.

R. Heaney, M. Dowell, and C. Hale, Calcium Absorption Varies within the Reference Range for Serum 25-Hydroxyvitamin D, Journal of the American College of Nutrition, vol.326, issue.2, pp.142-148, 2003.
DOI : 10.1080/07315724.2003.10719287

B. Dawson-hughes, R. Heaney, M. Holick, P. Lips, P. Meunier et al., Estimates of optimal vitamin D status, Osteoporosis International, vol.90, issue.7, pp.713-719, 2005.
DOI : 10.1007/s00198-005-1867-7

M. Holick, R. Biancuzzo, and T. Chen, in Maintaining Circulating Concentrations of 25-Hydroxyvitamin D, The Journal of Clinical Endocrinology & Metabolism, vol.93, issue.3, pp.677-81, 2008.
DOI : 10.1210/jc.2007-2308

C. Benhamou, Les carences et insuffisances en vitamine D??: une situation largement r??pandue, des mesures pr??ventives ?? mettre en place, La Presse M??dicale, vol.37, issue.2, pp.187-90, 2008.
DOI : 10.1016/j.lpm.2007.11.010

A. Nagaraj and A. Howe, Vitamin D deficiency. No clear evidence for universal supplementation, BMJ, 2010.

R. Heaney, K. Davies, T. Chen, M. Holick, and M. Barger-lux, Human serum 25- hydroxycholecalciferol response to extended oral dosing with cholecalciferol, Am J Clin Nutr, vol.77, pp.204-214, 2003.

V. Chel, H. Wijnhoven, and J. Smit, Efficacy of different doses and time intervals of oral vitamin D supplementation with or without calcium in elderly nursing home residents, Osteoporosis International, vol.47, issue.1, pp.663-71, 2008.
DOI : 10.1007/s00198-007-0465-2

L. Goaziou, M. F. , and C. Dupraz, L'hypovitaminose D chez les femmes jeunes : une réalité sous estimée. Cahier de nutrition et diététique, pp.264-272, 2009.

C. Boüüaert, M. Vanmeerbeek, and P. Burette, D??ficit en vitamine D chez l???homme ??g?? vivant ?? domicile ou en institution en milieu urbain, La Presse M??dicale, vol.37, issue.2, pp.191-200, 2008.
DOI : 10.1016/j.lpm.2007.07.012

T. Beringer, G. Heybum, and F. , Prevalence of vitamin D inadequacy in Belfast following fragility fracture, Current Medical Research and Opinion, vol.22, issue.1, pp.101-106, 2006.
DOI : 10.1185/030079906X80332

S. Whiting, W. Willet, and A. Zitterman, The urgent need to recommend an intake of vitamin D that is effective, Am J Clin Nutr, vol.85, pp.649-650, 2007.

D. Cock, C. Bruyere, O. Collette, and J. , Vitamin D inadequacy in French osteoporotic and osteopenic women, Joint Bone Spine, vol.75, issue.5, pp.567-72, 2008.
DOI : 10.1016/j.jbspin.2007.10.012

V. Tangpricha, E. Pearce, T. Chen, and M. Holick, Vitamin D insufficiency among free-living healthy young adults, The American Journal of Medicine, vol.112, issue.8, pp.659-62, 2002.
DOI : 10.1016/S0002-9343(02)01091-4

G. Guardia, N. Parikh, T. Eskridge, E. Phillips, G. Divine et al., Prevalence of vitamin D depletion among subjects seeking advice on osteoporosis: a five-year cross-sectional study with public health implications, Osteoporosis International, vol.43, issue.1, pp.13-19, 2008.
DOI : 10.1007/s00198-007-0456-3

M. Holick, AGE, VITAMIN D, AND SOLAR ULTRAVIOLET, The Lancet, vol.334, issue.8671, pp.1104-1109, 1989.
DOI : 10.1016/S0140-6736(89)91124-0

L. Y. Matsuoka, B. W. Wortsman, and . Hollis, Use of topical sunscreen for the evaluation of regional synthesis of vitamin D3, Journal of the American Academy of Dermatology, vol.22, issue.5, pp.772-777, 1990.
DOI : 10.1016/0190-9622(90)70107-S

B. A. Gilchrrest, Sun protection and Vitamin D: Three dimensions of obfuscation, The Journal of Steroid Biochemistry and Molecular Biology, vol.103, issue.3-5, pp.3-5655, 2007.
DOI : 10.1016/j.jsbmb.2006.12.028

J. Robinson and . Sun-exposure, Sun Exposure, Sun Protection, and Vitamin D, JAMA, vol.294, issue.12, pp.1541-1544, 2005.
DOI : 10.1001/jama.294.12.1541

B. Dawson-hughes, G. Dallai, E. Krall, H. S. Sokoll, L. Falconer et al., Effect of Vitamin D Supplementation on Wintertime and Overall Bone Loss in Healthy Postmenopausal Women, Annals of Internal Medicine, vol.115, issue.7, pp.505-512, 1991.
DOI : 10.7326/0003-4819-115-7-505

H. Bischoff-ferrari, T. Dietrich, E. Orav, D. , and B. , Positive association between 25 hydroxyvitamin D levels and bone mineral density : a population-based study of younger and older adults, Am J Med, vol.116, issue.9, pp.643-652, 2004.

A. Avenell and L. Gillepsie, Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis, Cochrane Database Syst Rev, vol.20, p.227, 2005.

B. Tang, G. Eslick, and C. Nowson, Use of Calcium or Calcium in Combination With Vitamin D Supplementation to Prevent Fractures and Bone Loss in People Aged 50 Years and Older: A Meta-analysis, Obstetrical & Gynecological Survey, vol.63, issue.1, pp.657-66, 2007.
DOI : 10.1097/01.ogx.0000298339.68546.3c

H. Bischoff-ferrari, W. Willet, and J. Wong, Prevention of Nonvertebral Fractures With Oral Vitamin D and Dose Dependency, Archives of Internal Medicine, vol.169, issue.6, pp.551-61, 2009.
DOI : 10.1001/archinternmed.2008.600

M. Visser, D. Deeg, and P. Lips, Low Vitamin D and High Parathyroid Hormone Levels as Determinants of Loss of Muscle Strength and Muscle Mass (Sarcopenia): The Longitudinal Aging Study Amsterdam, The Journal of Clinical Endocrinology & Metabolism, vol.88, issue.12, pp.5766-72, 2003.
DOI : 10.1210/jc.2003-030604

H. Bischoff-ferrari, T. Dietrich, and E. Orav, Higher 25-hydroxyvitamin D concentrations are associated with better lower-extremity fonction in both active and inactive persons aged>60, Am J Clin Nutr, vol.80, pp.752-760, 2004.

D. Feskanich, J. Ma, and C. Fuchs, Plasma vitamin D Status metabolites and risk of colorectal cancer in women, Cancer Epidemiol BiomarkersPrev, vol.13, pp.1502-1510, 2004.

J. Wactawaski-wende and J. Kotchen, Andreson st et al; Women's Health Initiative Investigators. Calcium plus vitamin D supplementation and the risk of colorectal cancer

M. Ahonen, L. Tenkanen, L. Teppo, M. Hakama, and P. Tuohimaa, Prostate cancer risk and prediagnostic serum 25-Hydroxyvitamin D levels ( Finland ), Cancer Causes and Control, vol.11, issue.9, pp.847-852, 2000.
DOI : 10.1023/A:1008923802001

C. Garland and E. Gorham, The Role of Vitamin D in Cancer Prevention, American Journal of Public Health, vol.96, issue.2, pp.252-261, 2006.
DOI : 10.2105/AJPH.2004.045260

J. Forman, E. Giovannucci, and M. Holmes, Plasma 25-Hydroxyvitamin D Levels and Risk of Incident Hypertension, Hypertension, vol.49, issue.5, pp.1063-1069, 2007.
DOI : 10.1161/HYPERTENSIONAHA.107.087288

E. Giovannucci, Y. Liu, and B. Hollis, 25-Hydroxyvitamin D and Risk of Myocardial Infarction in Men<subtitle>A Prospective Study</subtitle>, Archives of Internal Medicine, vol.168, issue.11, pp.1174-80, 2008.
DOI : 10.1001/archinte.168.11.1174

A. Pittas, B. Dawson-hughes, and T. Li, Vitamin D and Calcium Intake in Relation to Type 2 Diabetes in Women, Diabetes Care, vol.29, issue.3, pp.650-656, 2006.
DOI : 10.2337/diacare.29.03.06.dc05-1961

E. Hyppönen, E. Läärä, and A. Reunanen, Intake of vitamin D and risk of type 1 diabetes: a birth-cohort study, The Lancet, vol.358, issue.9292, pp.1500-1503, 2001.
DOI : 10.1016/S0140-6736(01)06580-1

M. Holick, Vitamin D: importance in the prevention of cancers, type 1 diabetes, heart disease, and osteoporosis, Am Journal of clinical Nutrition, vol.79, issue.3, pp.362-371, 2004.

K. Munger, L. Levin, and B. Hollis, Serum 25-Hydroxyvitamin D Levels and Risk of Multiple Sclerosis, JAMA, vol.296, issue.23, pp.2832-2840, 2006.
DOI : 10.1001/jama.296.23.2832

L. Merlino, J. Curtis, T. Mikuls, J. Cerhan, L. Criswell et al., Vitamin D intake is inversely associated with rheumatoid arthritis: Results from the Iowa Women's Health Study, Arthritis & Rheumatism, vol.31, issue.1, pp.72-79, 2004.
DOI : 10.1002/art.11434

J. Aloia and M. Li-ng, Re: epidemic influenza and vitamin D, Epidemiol Infect, vol.135, pp.1095-1101, 2007.

P. Autier and S. Gandini, Vitamin D Supplementation and Total Mortality<subtitle>A Meta-analysis of Randomized Controlled Trials</subtitle>, Archives of Internal Medicine, vol.167, issue.16, pp.1730-1737, 2007.
DOI : 10.1001/archinte.167.16.1730