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Randomized Controlled Trial
. 2011 May;27(5):530-3.
doi: 10.1016/j.nut.2010.05.016. Epub 2010 Aug 5.

Vitamin C Provision Improves Mood in Acutely Hospitalized Patients

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Randomized Controlled Trial

Vitamin C Provision Improves Mood in Acutely Hospitalized Patients

Michelle Zhang et al. Nutrition. .

Abstract

Objective: Hypovitaminosis C and D are highly prevalent in acutely hospitalized patients, but the clinical significance of these biochemical abnormalities is not known. Because deficiencies of vitamin C and D have been linked to psychologic abnormalities, vitamin C or D provision could improve the mood state of acutely hospitalized patients.

Methods: Double-blind clinical trial of the effect of vitamin C (500 mg twice daily) or vitamin D (1000 IU twice daily) on mood, as assessed with a validated instrument, the Profile of Mood States.

Results: Vitamin C therapy increased plasma (P < 0.0001) and mononuclear leukocyte (P = 0.014) vitamin C concentrations and was associated with a 34% reduction in mood disturbance (P = 0.013). Vitamin D therapy increased plasma 25-hydroxyvitamin D concentrations (P = 0.0004), but had no significant effect on mood.

Conclusions: Treatment of hypovitaminosis C improves the mood state of acutely hospitalized patients.

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