effect of fish oil on serum levels of lipid profile, lipoprotein (a), apolipoprotein a-1 and b, fasting sugar and insulin, and insulinresistance in the elderly residents of kahrizak charity foundation

objectives: this study was performed to investigate the effect of ω-3 fatty acids on lipid profiles, lipoprotein (a), apolipoprotein a-1 and apolipoprotein b, fasting glucose and insulin, and insulin resistance in a group of iranian elderly subjects. methods & materials: in this clinical trial, 124 elderly residents of the kahrizakcharity foundation, aged 65 and older were divided into two intervention (consumption of 1 gram per day of fish oil) and control (consumption of placebo) groups. blood sampling was done at the baseline and at the end of the study. results: after 6 months, tg and apo a-1 increased significantly (p=0.01 and p=0.02, respectively) and high-density lipoprotein cholesterol decreased significantly in the control group (p=0.009). overall and comparative effects of fish oil were positively significant (p=0.02). conclusion: fish oil intake can be effective in reduction of serumtriglycerides in elderly.