Question

Which of the following is a reason that a drug may not receive FDA approval?

Answer 1

If they have any evidence demonstrating that these unapproved drugs are safe

Answer 2

Well I cannot actually see any reasons,so I might as well just give my own.A drug might not recieve FDA approval because they need to find the good chemicals and the bad chemicals in the drug.If they find any bad chemicals in the drug,they will not approve it.Hope this helps!!!!