Supplements – For Health, Performance, or Physique?

The supplement market is an incredibly large market.  And a lot of people opt for purchasing supplements that will help them perform in the gym, or help them get results in the gym – think pre, during and post workout, fat burners, protein powder, etc.  But what about the supplements that help improve your health?  Should they be taken first to get your body into a good healthy state before focusing on performance and/or aesthetics?