I wanted to share this tutorial in case you've had similar reservations about trying projects like this. (bostonmamas.com)
I haven't used them but have a couple of reservations — of course I have the same or similar reservations for any third party provider like this. (madgeniusclub.com)
I had similar reservations when I started the class about the role of supplements, but the NTA is under new management now and I know they are going to be introducing other supplement companies as well, so students would be able to use whatever line they like and are familiar with. (flourishfundamentals.com)