What are "fake" vitamins

There are some compounds in the vitamin B family that were once considered to be vitamins, such as vitamin B4 adenine.

Vitamin F-was originally used to refer to fatty acids that are essential to the human body but cannot be synthesized by themselves, because the English name of fatty acids begins with F. But because it is actually the main component of fat, which is also a source of energy in organisms and makes up cells, vitamin F is not a vitamin.

Vitamin K-Ketamine is labeled as vitamin K in the ingredients of certain recreational drugs as a sedative, but it is not the real vitamin K. It is commonly known as "ketamine".

Vitamin Q-Some experts believe that ubiquinone coenzyme Q10 should be regarded as a vitamin, but in fact it can be synthesized in small amounts by the body itself.

Vitamin S-Some people suggest naming salicylic acid o-hydroxybenzoic acid vitamin SS is the initials of salicylic acid.

Vitamin T-used in some natural medicine materials to refer to a substance extracted from sesame seeds. It has no single and fixed component, so it cannot be a vitamin. Moreover, there is no clear judgment on its