Effects of calcium and vitamin D supplementation on blood pressure and serumlipids and carotenoids

A randomized, double-blind, placebo-controlled, clinicaltrial

Weiwen Chai, Robert V. Cooney, Adrian A. Franke, Roberd M. Bostick

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Purpose: To estimate the effects of calcium or vitamin D supplementation or a combination of both on blood pressure and serum lipid and carotenoid levels. Methods: Ninety-two colorectal adenoma patients were randomized in a pilot, double-blind, placebo-controlled clinical trial of supplemental vitamin D3 800 IU and elemental calcium 2.0 g (as calcium carbonate) alone or in combination in divided doses twice daily with meals over 6 months. Results: Relative to placebo, mean serum triglycerides decreased 30% (P= .10) and 32% (P= .10) in the calcium and calcium plus vitamin D3 treatment groups, respectively. When the two calcium intervention groups were pooled and compared with the pooled noncalcium groups, the estimated supplemental calcium treatment effects were statistically significant for triglycerides (P= .04). Similar but nonstatistically significant decreases (5%-7%) were observed for serum total cholesterol levels. Mean systolic blood pressure increased 6% (P= .08) in the calcium group; otherwise, there were no appreciable changes in systolic or diastolic blood pressures in any active treatment group. Mean serum total carotenoid levels decreased 14% (P= .07) in the calcium and 9% (P= .10) in the calcium plus vitamin D3 groups. Conclusions: Our results suggest that supplemental calcium alone or combined with vitamin D3 but not vitamin D3 alone may reduce serum lipids and lipophilic micronutrients.

Original languageEnglish (US)
Pages (from-to)564-570
Number of pages7
JournalAnnals of Epidemiology
Volume23
Issue number9
DOIs
StatePublished - Sep 1 2013

Fingerprint

Carotenoids
Vitamin D
Placebos
Blood Pressure
Calcium
Cholecalciferol
Serum
Triglycerides
Lipids
Calcium Carbonate
Micronutrients
Controlled Clinical Trials
Adenoma
Meals
Therapeutics
Cholesterol

Keywords

  • Blood pressure
  • Calcium
  • Carotenoids
  • Lipids
  • Vitamin D

ASJC Scopus subject areas

  • Epidemiology

Cite this

Effects of calcium and vitamin D supplementation on blood pressure and serumlipids and carotenoids : A randomized, double-blind, placebo-controlled, clinicaltrial. / Chai, Weiwen; Cooney, Robert V.; Franke, Adrian A.; Bostick, Roberd M.

In: Annals of Epidemiology, Vol. 23, No. 9, 01.09.2013, p. 564-570.

Research output: Contribution to journalArticle

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