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Int J Eat Disord. 1994 Apr;15(3):251-5.

Controlled trial of zinc supplementation in anorexia nervosa.

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  • 1Eating Disorders Clinic, St. Paul's Hospital, Vancouver, British Columbia, Canada.


Zinc supplementation of anorexia nervosa (AN) patients has been reported to increase the weight gain of AN patients in open trials. In this randomized, double-blind, placebo-controlled trial 100 mg of zinc gluconate, or placebo, was given daily to 35 female AN inpatients until they achieved a 10% increase in body mass index (BMI). The rate of increase in BMI of the zinc supplemented group (n = 16) was twice that of the placebo group (n = 19), and this difference was statistically significant (p = .03). The use of zinc supplementation should be considered in the treatment of AN patients.

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