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.
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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