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==What is Vitamin B7 (Biotin)?==

==What is Vitamin B7 (Biotin)?==

Vitamin B7, also called biotin, is an essential water-soluble vitamin. Biotin is actively transported across the intestinal mucosa, with minimal passive diffusion, and is typically found as free biotin in plasma. Biotin is not stored in the body and is freely filtered by the renal tubules.  

'''Vitamin B7''', also called '''biotin''', is an '''essential water-soluble vitamin'''. Biotin is actively transported across the intestinal mucosa, with minimal passive diffusion, and is typically found as free biotin in plasma. '''Biotin is not stored in the body and is freely filtered by the renal tubules'''.  

==Why is it Important?==

==Why is it Important?==

Biotin’s only known function is as a component of carboxylase enzymes which features in energy metabolism. Under normal circumstances endogenous production of biotin by bacterial synthesis in the gastrointestinal tract is sufficient to meet metabolic requirements.  

Biotin’s only known function is as a component of '''carboxylase enzymes which features in energy metabolism'''. Under normal circumstances endogenous production of biotin by bacterial synthesis in the gastrointestinal tract is sufficient to meet metabolic requirements.  

==Roles in the Body==

==Roles in the Body==