Hi welcome to the forum
They don’t sell samples… not sure where you got your powder sample from, but I totally understand wanting to try stuff out before buying loads of it and possibly not being able to use it.
They don’t do samples of RTD or bars either. And currently they aren’t stocked in retail shops. My feeling is that the bars and RTD may appear soon in stores (thats my hope!).
In the meantime, you might get someone here on the forum to send you one possibly, or just take the plunge… chances are, if you like the powder you will like the other products.
I havent tried the RTD but if you search the forum you will see a couple of threads from people who have just tried it (its literally JUST been launched) - you can get an idea of what it is like, from their feedback.
Feedback on the bars seems a bit mixed. Some people don’t like them, some do.
I’ve tried the chocolate orange bars and think they are really good - tasty, and filling. Unlike any other snack or food bar I have ever tried, I never want to eat more than one in a go. I have no idea why that is. But for me this is a very good thing, because I have a tendency to munch a whole box of snack bars if I buy them.
They aren’t as nutritionally complete as the powders, but really handy as a healthy snack.
Edit: If you post where abouts in the country you are, you might find a fellow Hueller friend local to you, willing to let you try theirs!