I've vaped Dekang for a year. Other than the way it tastes, but only in certain clearos, its been just fine. A look at youtube (two I can think of) will show you their labs. I venture to say no one can touch them for safety in that area world-wide including the USA. Personally, if any vendor said something like that to me, I would never buy anything in that store. I wouldn't trust them enough to. Competitive spin in one thing but what they're telling you is not that. Its and out-and-out lie. A packing slip comes to the vendor with each product and it states every ingredient in the juice including what's in the flavoring in them. I know, I have allergies and have enquired on two different from two different vendors. I've done the same thing concerning USA-made juices and the vendors can't tell me what's in them. Why? Because the big companies they buy their flavorings from don't tell them what's in them. Check it out for yourself. Ask Capella or Lorann what's in their flavoring. They either don't know or won't tell so how would the vendor know what's in what they're using to mix their juices? No, if its important that I know exactly what's in my juice, it will be a Dekang one. Now, as I mentioned earlier, with tobacco juices at least in one type of clearo with a low res atty I use it does have an underlying celery taste. Not all of the tobaccos do though. But the celery tasting ones in my other clearos with the same res don't have that taste to them. Go figure.