Frequent Questions and Answers on Magnet Therapy Knowledge Base > Frequent Questions and Answers on Magnet Therapy Are magnets safe to use? What are the side effects of using magnets to help healing? How long does it take magnet therapy to work? How long does a magnetic product last? How do I know which magnetic product to use? What are the different poles of magnetism? Why must I drink lots of water when using magnetic therapy? What is a Gauss rating? Why should I buy from Norstar Magnetics? How does magnet therapy work?