Less is More: Study Finds Lower Fish Oil Doses Offer Cardiovascular Protection

Abstract Summary

Objective: This study investigates the effects of fish oil supplementation on cardiovascular health.

Context: Omega-3 fatty acids in fish oil may provide cardiovascular benefits, but optimal dosing is unclear. This study examines the impact of different fish oil doses.

Methods Used

Approach: Systematic review and meta-analysis of randomized controlled trials on fish oil for cardiovascular risk factors.

Data Collection: Studies examining the effect of fish oil supplementation on lipids, blood pressure, arterial stiffness and other CVD biomarkers were included.

Researchers' Summary of Findings

Impact on Health: Moderate doses of omega-3 fish oil (1-2 grams/day) significantly improved triglycerides, HDL cholesterol, and other cardiovascular risk factors. Higher doses provided no additional benefit.

Health Implications: Moderate daily fish oil supplementation appears beneficial for cardiovascular health. Further research can optimize dosing regimens.

DOI: 10.1161/CIR.0000000000000510