Biotin is a B vitamin, also known as B7 and vitamin H. Its history is related to research on yeast, nutrition and compounds found in eggs. An important role was played by the knowledge of avidin, a protein in crude egg white that strongly binds biotin. This is an interesting example of how food ingredients can interact with each other.

One vitamin in various combinations

Biotin is a B vitamin and is sometimes marked as B7 or vitamin H. Different names on packaging may therefore refer to the same substance. What matters when comparing is quantity, unit and portion. It is particularly important to inform medical staff about supplementation before tests, because biotin may affect the results of some laboratory tests. You should not independently determine the withdrawal time without consulting the person ordering the test.

Meaning and application

In the body, biotin participates as an element of coenzymes in carboxylation reactions. It is found in a variety of products, including eggs, organ meats, nuts and seeds. In supplements, its amount is often expressed in micrograms. Before laboratory tests, you must report taking biotin preparations because it may interfere with some testing methods. The mere popularity of the vitamin in "hair" products does not describe the needs of a specific person.

In practice

Biotin is associated in advertising mainly with hair and nails, but its biochemical role is broader. The designation of a vitamin does not mean that each person needs a separate high-content preparation. On the label, it is worth distinguishing micrograms from milligrams and one tablet from the entire recommended dose. Information about biotin intake is particularly important for the laboratory: some assay methods use systems that may be affected by it. It is not about assessing the appearance of the preparation, but about reliable interpretation of the test result. The name vitamin H does not describe another independent vitamin. It's a good idea to maintain this consistency when comparing ingredient lists of different products.

Short definition in the glossary

Sources and further reading