Author contributions
MPV conceptualized the research; EG-M and MPV designed the supplement and the placebo; EG-M and MPV designed the clinical trial; EG-M, AA and BZ recruited volunteers and executed the clinical trial; EG-M, AA and BZ performed the laboratory analyses; EG-M and MPV performed statistical analysis; EG-M and MPV, wrote the manuscript; AA, revised and corrected the first draft of the manuscript; MPV got funding and supervised all tasks; all authors revised and approved the final manuscript.