Hi, Heddi. Wish it was that simple! Don't know about "joint juice" but yes, Glucosamine is often used in treatment of arthritis and joint inflammation conditions. I HAVE read about people taking Glucosamine supplements for MS but I don't know the dose or if it's really effective in that form. Its anti-inflammatory action might help in conjunction with other things but I doubt that's "THE"
answer. (The majority of natural treatment protocol for MS is anti-inflammatory supplements.) The thing they're talking about in this article is N-acetylglucosamine (GlcNAc), which is similar to Glucosamine. Still exciting though!