Micronutrition · Textbook of Nutrient Therapy
Vitamin B8 Deficiency
Assess whether you present clinical signs of vitamin B8 (biotin) deficiency.
Vitamin B8, or biotin (also called vitamin H), is a cofactor for four essential carboxylases involved in the metabolism of fatty acids, amino acids, and glucose. It is particularly known for its role in the health of hair, nails, and skin, as it participates in keratin synthesis. Biotin deficiency can occur with regular consumption of raw egg white (which contains avidin, an anti-biotin compound), intestinal dysbiosis, or prolonged antibiotic use.
Points forts
- + Rapid identification of clinical signs
- + Simple self-assessment test
- + Detection of hair, ocular, and cutaneous manifestations linked to biotin deficiency
Limites
- - Does not replace blood testing
- - Some signs may have other causes
- - Limited sensitivity for subclinical deficiencies
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