It appears that it is a liquid that is to be take orally. Here is a post from House1 that talks about Glucosamine (the main ingredient in the "Joint Lube").
There are a few other supplements out there that include Tumeric Root Extract, Boswellic Acid, Ginger Root Extract and Cat's Claw Bark. None of these were in the "Joint Lube" as far as I can remember (maybe Boswellia) and some of the doses seemed odd compared to numerous other recommendations.
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