I also found the site you mention:

http://www.emperorsherbologist.com/sugar_free_stevia.php

They have the crude extract without fillers. This would be the best way to ship the stuff around. You buy a half kilo, and then have to try an measure out hundreths of a teaspoon accurately (the size of a sesame seed they describe it as). It would make it easy to ship, but not something that could be measured out easily. I will have to get some of this stuff as well once I try some of these others if I sense any aftertaste.

http://www.sweetleaf.com/

They have an offer to send two of your packets and get two of thiers to try for free (I wonder if they sell the others to a local restaurant or something to cover the cost, that would be funny). I sent for mine. And will report back.

The website says that the farmers in south America are earning more for Stevia than for illegal drugs. That is the best plan yet to say no to drugs, show the farmers how they can make more some other way.

Apparently they are the first to achieve GRAS status, that is generally recognized as safe by the FDA. I think that means it can be sold as a sweetener. Not sure if it can be a food additive. I emailed the company to ask. Also to ask if they are isolating one of the compounds or just a crude extract of the entire plant. We’ll see what they say when they gat back to me.

here is a nice article about the company:
http://www.eastvalleytribune.com/story/117760
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http://www.nunaturals.com/products/stevia.html
It looks like they add other natural flavors to counteract the bitterness of the stevia. They describe it as “herbs and berries” as to what they add, so who knows what it is. I guess the idea has merit, cooks counteract flavors in dishes all the time to balance them out, it only makes sense to do it with something that tastes bitter but is so desirable.

They also don’t say if it is a pure stevioside extract or if it is a “crude” extract. I will email them to ask as well.

Regarding stevioside — The first one selling stevioside before any other company (including steviva, and sweatleaf, and nu naturals) on the internet was Smarter Health Corporation. I swear by their product JAJA Stevioside. I have used JAJA Stevioside it over 10 years now. It has the best taste of any of them out there, and in 10 years time I have tried them all. I keep going back to JAJA. They have a really cool chocolate drink made with stevioside too.