If you have doubts about something - no matter what - quality of pills or details of delivery - you just call to customer support and they explain to you all! They know their job very well! So, everything will be clear, be sure!
In my opinion herbal drugs are more safe. And I have already checked, that it works no worse than ordinary medicines! For example, I lost 25 pounds with Acai Berry pills and there are any side effects!
A huge part of a brand drug price consists of research and development costs, and advertising. Drug companies that produce generic versions simply buy chemical ingredients and spend money on production. Thus they can sets lower prices on their products.