[header] How to determine if you should use dietary supplements [title] Ask your doctor about supplement interactions. [step] In general, multivitamins and minerals supplements can benefit most people; however, there are some conditions that can make it dangerous for you to take supplements. These conditions include kidney or liver disease, which may interfere with the processing of these vitamins and minerals. 
Talk to your doctor about what supplements are good for you. [substeps] Some supplements interact with medications, so ask your doctor or pharmacist about possible interactions with any medications you already take, including prescription and over-the-counter drugs.