text:  Here's John writing to me and saying, you know, at age 55, boy, when I tried HA, I'm now back to playing full-court basketball with a 20-year-old, and I've even begun to jog again. These are the kinds of reports that we hear. Let me ask you a question here. You mentioned glucosamine, and there's another one out there that's pretty popular, MSM. How does this HA stack up against those other ones? The other ones, you have to take them for a while before you even see any results. You do, and these are very positive dietary supplements. They certainly have...