Officially. For any future readers: don't buy these drugs from random, faceless sellers. Unless you're going to personally verify the composition of the pills

Officially. For any future readers: don't buy these drugs from random, faceless sellers. Unless you're going to personally verify the composition of the pills you receive, you're taking mystery pills from a person/company that's already knowingly breaking the law. For what -- coding productivity? If you feel you need medication, consult a professional.