A club drug available in liquid or powder form is taken orally?

Should "a club drug available in liquid or powder form is taken orally" be "a club drug available in liquid or powder form that is taken orally"?

(The following is from English dictionary)
GHB

• n.
  • 
    a club drug available in liquid or powder form is taken orally (frequently combined with alcohol); used to incapacitate individuals for the commission of sexual assault and rape