I have tried a lot of different supplements, and can advise you that if you wanna to take it regularly, but not to hurt your body, you need to choose a simple complex of basic trace elements. It supports liver, brain, heart, and immune health. The best one I have tried is
https://www.nhc.com/curamed-750-mg-by-terry-naturally It contains medium chain triglycerides, kosher beef gelatin, vegetable glycerin, sunflower lecithin and is gluten free. It doesn't have any side effects. I order it without any prescriptions, but as I know even doctors recommend it for all who want to keep yourself fit.