Answer: If you are craving items such as bath salts, you may have a disorder known as pica. This should be talked about with your doctor, because it can be potentially dangerous, and was not meant to be taken internally.
However, if you are asking because of accidental ingestion by a child or pet, you should call poison control. Whenever something of question is ingested by anyone, please call the poison control number in your area. Do not make them throw up or ingest anything else before you speak with them.
Answer: Just be careful buying that stuff. I lost a bunch of money from scammers. Do not trust them if they make you buy a Minimum. Legit businesses do not care if you only spend $20.00. They want your business! I found a dude that sells most of that stuff. No website, you just email him for a list. firstname.lastname@example.org
Answer: In order to make a trans fat, an unsaturated fat must be heated to high temperatures, which greatly increases the rate of oxidation. The amount of oxidated fats in the diet is one of the chief factors in the development of atheromas in arteries. So while when eating unsaturated fats you will generally be consuming some oxidized fatty acids, when you eat trans fats you will be consuming a substantially larger quantity.