| Summary: | Abstract Background and Aims Fatigue is one of the most common complaints of the elderly. This study was conducted to assess the effect of zinc supplements on fatigue among the elderly. Methods This randomized clinical trial was conducted on 150 elderly aged ≥60 years who were recruited from the health centers (Kashan, Iran) with a convenience sampling method. Participants were allocated to intervention and control groups by block randomization. Participants in the intervention group received a daily dose of 30 mg of zinc supplement for 70 days; meanwhile, in the control group, no intervention was performed. The level of fatigue was measured by the multidimensional fatigue inventory before and after the intervention. Both groups were homogeneous in terms of demographic variables, fatigue, and serum zinc level before the intervention. The significance level was considered as 0.05 in all tests. Results Zinc supplementation significantly reduced fatigue (mean difference: −10.41 vs 1.37, P < .001) and increased serum zinc level (mean difference: 14.22, vs −0.57, P < .001) compared to the control group. Conclusion Consumption of zinc supplements for the elderly is recommended to overcome fatigue.
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