[Exploratory study of dietary intake and prevalence of vitamin D deficiency in women ≥ 65 years old living in their family home or in public homes of Buenos Aires city, Argentina].

Unlabelled: Both nutritional status and social-environmental factors influence elderly's health and quality of life. An inadequate intake of protein, calcium and vitamin D affects bone health.

Objectives: 1) To assess energy, protein, calcium and vitamin D intake in women ≥65 year of age (y); 2) To assess the contribution of residence place: family home (FH) o Public Homes (PH); 3) To evaluate the relationship between the dietary intake and the biochemical parameters.

[Is daily supplementation with vitamin D2 equivalent to daily supplementation with vitamin D3 in the elderly?].

The equivalence of cholecalciferol (D3) and ergocalciferol (D2) as well as their corresponding doses and administration route remain controversial to date. The aim of this study was to compare the effectiveness of daily supplementation with 800 IU of D2 (drops) and D3 (pills) on 25-hydroxivitamin D (25OHD) levels (= 30 ng/ml). Twenty-one ambulatory postmenopausal women from Buenos Aires City with a mean (X ± SD) age of 77.