The point is that guidelines are just guidelines. Outside of 30Bad, not everyone follows them religiously.
And it's okay to deviate every now and then. As long as you're still vegan. That's what's most important.
She does not *promote* these products, she says she uses them every once in a while.
You can also find them at Whole Foods
She does a video where she shows which drops she buys at the store. Its a vid where she goes into one of the bigger grocery stories and shows a you a few things that can be eaten and still kinda of follow the guidelines but aren't ideal. Then she pops over to a small organic shop across from the big store. Its there that she shows you all the brand of drops she buys. I think the brand is called SweetLeaf. I've seen them at all kinds of natural food stores here in the States like Whole Foods or Natural Grocers. Also LiveLoveTrish gives a link to their site.
Also it flavored Stevia and not vanilla extract like you would use in traditional baking.