You can bring the medicines that you need to take into Turkey without any issues.
Turkey is a pet-friendly country, so you can get your pet dog or cat through the proper channels.
You can get your jewellery up to a value of $15,000. But you cannot sell your jewellery here.
You can get your own tea, coffee, sugar, and chocolates, but only up to 1 kg.
You can, of course, bring personal belongings like clothes, sports equipment, toys, musical instruments, and personal electronics.
You cannot bring drugs and products derived from drugs. This can attract imprisonment.
Alcohol and Cigarettes are not allowed to be brought in, but you can buy them inside Turkey.
There are strict rules and regulations for organic fertiliser. So, tourists cannot bring it with them for whatever purpose.
You cannot bring exotic creatures that can become invasive species to Turkey. They can hamper the natural ecological balance.
Weapons of any kind are not allowed to be brought into Turkey. This can result in jail time.