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Long-term effect of calcium-vitamin D3 fortified milk on blood pressure and serum lipid concenstrations in healthy older men

Daly, Robin and Nowson, Caryl 2009, Long-term effect of calcium-vitamin D3 fortified milk on blood pressure and serum lipid concenstrations in healthy older men, European journal of clinical nutrition, vol. 63, no. 8, pp. 993-1000.

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Title Long-term effect of calcium-vitamin D3 fortified milk on blood pressure and serum lipid concenstrations in healthy older men
Author(s) Daly, Robin
Nowson, Caryl
Journal name European journal of clinical nutrition
Volume number 63
Issue number 8
Start page 993
End page 1000
Publisher Nature Publishing Group
Place of publication Basingstoke, England
Publication date 2009
ISSN 0954-3007
1476-5640
Keyword(s) blood pressure
lipids
calcium-vitamin D3
fortified milk
men
Summary Background/Objectives:
Some epidemiological and clinical studies have shown that increased dairy consumption or calcium and/or vitamin D supplementation can have a beneficial effect on blood pressure, and lipid and lipoprotein concentrations. The aim of this study was to assess the long-term effects of calcium-vitamin D3 fortified milk on blood pressure and lipid-lipoprotein concentrations in community-dwelling older men.

Subjects/Methods:
This is a substudy of a 2-year randomized controlled trial in which 167 men aged >50 years were assigned to receive either 400 ml per day of reduced fat (approx1%) milk fortified with approximately 1000 mg of calcium and 800 IU of vitamin D3 or to a control group receiving no additional fortified milk. Weight, blood pressure, lipid and lipoprotein concentrations were measured every 6 months. Participants on lipid-lowering (n=32) or antihypertensive medication (n=39) were included, but those who commenced, increased or decreased their medication throughout the intervention were excluded (n=27).

Results:
In the 140 men included in this study (milk, n=73; control, n=67), there were no significant effects of the calcium-vitamin D3 fortified milk on weight, systolic or diastolic blood pressure, total cholesterol, high-density lipoprotein or low-density lipoprotein cholesterol or triglyceride concentrations at any time throughout the intervention. Similar results were observed after excluding men taking antihypertensive or lipid-lowering medication or limiting the analysis to those with baseline calcium intakes <1000 mg per day and/or with hypovitaminosis D (25(OH)D <75 nmol/l).

Conclusions:
Supplementation with reduced-fat calcium-vitamin D3 fortified milk did not have a beneficial (nor detrimental) effect on blood pressure, lipid or lipoprotein concentrations in healthy community-dwelling older men.
Notes Published online 21 January 2009
Language eng
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
Socio Economic Objective 920103 Cardiovascular System and Diseases
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2009, Macmillan
Persistent URL http://hdl.handle.net/10536/DRO/DU:30019891

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Created: Thu, 24 Sep 2009, 12:49:07 EST by Deborah Wittahatchy