My grandmother has bad knees (it runs in the family) and normally takes prescription pills for pain relief though an incident where a relative accidentally threw her painkillers out with the trash before anyone realized it, so I took a chance and bought the last two tubes of Hempzilla at my job, hoping it'd at least help a little until she could get her prescription refilled. It took time to work, but once it got going, she loved it then I ordered tubes for both of us (my job keeping me on my feet for at least 4 hours at a time,) and I went through my single tube in no time, so I ordered the 4oz. jars and intend to do so for her when her tube runs out.