Biotin is a substance known primarily by the name vitamin B7. Other names of biotin are "coenzyme R" and "vitamin H." Vitamin B7 play roles as a cofactor and a catalyst of vital for the human metabolism chemical reactions.
Like the other "B" vitamins, the excess quantities of vitamin B7 are discarded with the urine without significant toxic effect. Biotin is a well-studied substance with no side effects.
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