Vitamin H (Biotin) Cautions
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In general, other than people taking certain medications, no other groups of people should exercise caution when taking vitamin H (biotin) supplements, as excess amounts of this water-soluble vitamin are normally eliminated.
Toxic Levels of Vitamin H (Biotin)
Vitamin H (biotin) is essentially non-toxic.
Vitamin H (biotin) is essentially non-toxic and no symptoms of overdosage or toxicity have been reported
Overdosage and Toxicity Symptoms
No symptoms of overdosage or toxicity have been reported.