We check this website, now myhealthstore.com.au is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is myhealthstore Down Right Now? - NO! myhealthstore is up!
If you have problem with access to site myhealthstore, and domain myhealthstore.com.au is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).