Acknowledgements
POLAND
We are grateful to Marinex International, Poland, Lodz for delivering fish oil (BioMarine Medical) for this study. We are also grateful to Prof. J. Szemraj from the Department of Medical Biochemistry, Medical University of Lodz, Poland for lyophilization of samples for GS analysis. This research received funding from Medical University of Lodz. The authors declare no conflict of interest. The study product (Biomarine Medical) was provided by Marinex International, Lodz, Poland but no financial sponsorship was provided by the company nor was any contractual agreement signed.