2 min read
Vitamin H, otherwise known as biotin what is this substance?
Laura Schneider
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Diets Premium Expert • 22.03.2026
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Scientifically reviewed by a clinical dietitian:
This article has been peer-reviewed for adherence to IŻŻ, WHO, and PTGiP clinical nutritional standards.
| Diets Premium Expert Laura Schneider | min read 2 min | Scientifically reviewed by a clinical dietitian 22.03.2026 |
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Key Takeaways
Biotin, also known as vitamin H or B7, refers to the same chemical compound that is a key component of no less significant enzymes. It is said to be responsible for fundamental chemical reactions within the body.
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A few words about biotin in itself
Vitamin H, also referred to as biotin or vitamin B7, is a chemical compound that dissolves readily in water and is present in plants and animals. Biotin can occur in both free and protein-bound forms. The former is found in milk and vegetables (such as tomatoes, spinach, carrots), while the latter is mainly present in meat products and yeast.
Significance of vitamin B7 in body functioning
Biotin plays a vital role as an indispensable component of the carboxylase – enzymes responsible for a series of significant biochemical reactions within the body. The fundamental duties of vitamin B7 encompass, among others: - the transportation of carbon dioxide during metabolic processes; - participation in the metabolism of amino acids and carbohydrates; - involvement in the conversion processes of proteins and fats; - influencing the function of the thyroid gland and the conversion of carbon dioxide; - contributing to the synthesis process of prothrombin; - improving skin and hair quality.
Dosage of the biotin component
Due to the lack of appropriate data, there is no definitive daily dose of biotin. It can only be assumed that the approximate proportions are as follows: infants from 5 to 6 μg; children and adolescents from 8 to 25 μg; adults from about 30 μg. There is also no information regarding contraindications to the use of vitamin B7. Speaking of the symptoms of deficiency of this substance, the main symptoms are inflammatory skin conditions, hair loss, elevated cholesterol levels, and intestinal inflammation.
Laura Schneider
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