Comparison of the Effect of Omega-3 vs. MCT Supplementation on Iron-Related Indices in Patients Undergoing Dialysis
Abstract
Chronic kidney disease (CKD), characterized by progressive kidney failure, significantly increases mortality and comorbidity risks such as anemia. This study contrasts the impacts of omega-3 and medium-chain triglycerides (MCT) oil on levels of iron, ferritin, total iron-binding capacity (TIBC), hemoglobin (Hb), and transferrin saturation in patients with CKD undergoing dialysis. This interventional trial was conducted on 120 patients with CKD undergoing dialysis in Rasht, Iran. For 8 weeks, the omega-3 group was orally administered three 1000-mg capsules of omega-3 fatty acid supplement, and the MCT group was administered three 1000-mg capsules containing MCT oil daily. Serum concentrations of ferritin, iron, TIBC, Hb, and transferrin saturation were assessed pre-intervention and after the intervention. There was a significant increase in serum iron levels in the MCT group compared to the omega-3 group (103.72 ± 57.8 vs. 77.48±40.13; P = 0.031). No effect was found regarding other iron-related factors such as TIBC, Hb, transferrin saturation, and ferritin levels. The results of our study indicated that taking MCT oil increased serum iron levels compared to omega-3 supplementation in patients with CKD undergoing dialysis. Further research is needed to better understand the potential benefits of MCT oils in patients with CKD.
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 120 participants or records.
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