If you take more and much more of the recommended dose, ... and many people do, it does raise the testosterone level in the body.

Theirs is an old and stale argument. Blood testing had some issues that were unfounded. But it's routine around the world, and it works.

This is just a very brief outline but there's some very positive improvements,

The N.F.L. is ahead of the pack, I do believe that, but there's a lot of buts.

It's not one or the other. They need a whole program.

This is a work in progress. It has to be monitored - both its details and the implementation of the details.

I've been in the business for many years, ... and I've never heard of a B-12 anabolic case.

Is it safe? I don't know, maybe it is. Is it pure? Who knows what's going on in the body ? is it doing anything? All we know is if you're a sheep it can be very bad for you. Would you take something based on that?

The question is: supplementing what? People who need supplements have, basically, a disease or some dietary behavior that would leave them wanting something. It may be quite fashionable to take these things, but whether they really do anything to otherwise healthy people is dubious at best.

The problem is, he may have been getting some therapeutic benefit, but clearly, you're getting enhanced.