How to buy mounjaro in usa?

Hello, I'm interested in learning about how to purchase Mounjaro in the United States. Could you please provide me with a detailed explanation of the process? Are there any specific requirements or regulations that I need to be aware of? Additionally, are there any trusted online or offline sources that I can use to make this purchase? It would be greatly appreciated if you could also share any potential risks or considerations that I should take into account before making a purchase. Thank you in advance for your help.