Alcoholic drinks are illegal in Iran and no shop is allowed to sell them. It’s illegal to have alcoholic drinks in which the police can arrest the person. You can find tea, coffee, syrup or Doogh (delicious yogurt drink) everywhere to drink. Non-alcoholic beer is also available.
Pork is not served in Iran while you can find beef, lamb, chicken, fish, and shrimps in all the restaurants and shops.