Hi! I read that it was not possible to overdose on biotin and that whatever excess you consume is excreeted in the urine. I started taking 1000mcg of biotin and whenever I take it I get very spaced out and dizzy....why is that..Its my second time taking it.
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You are right that the sign of toxicity is the excess is excreted into the urine. The recommended daily intake for your age is 30µg. Suggest if you are having a reaction that you take only the recommended daily dose or not at all. It is in our foods and deficiency is rare.
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