Deficiency
Avidin binds tightly with biotin, thereby diminishing its absorption. In children, genetically based metabolic anomalies may be behind biotin deficiency. This deficiency appears as changes in immune system function and in a heightened susceptibility to bacterial and fungal infections.
Adverse Effects
Signs of excess vitamin B8:
None. Additional information
Speak with your pharmacist if you plan to take vitamin B8 supplements. Other names
Vitamin B8, Biotin, vitamin H.
Find Out More About Vitamin B8
It is resistant to heat and light. As this has not been proven, daily intake of vitamin B8 is recommended, as any excess is readily excreted in urine.
Roles Of Vitamin B8
These carboxylases are involved in various metabolisms:
Biotin contributes to energy metabolism, and that of macronutrients (carbohydrates, fat, protein)
Vitamin B8 helps maintain normal hair and skin.
Requirements in vitamin B8
Table of DRIs (Dietary Reference Intakes) for vitamin B8:.