A 39-year-old woman presents to the physician with complaints of itchy skin and diarrhea. On examination, the patient appears slightly confused and is having trouble remembering what she did earlier in the day. A physical examination shows that the patient has a large, deeply pigmented tongue with thickened papillae. On further questioning, it is discovered that the patient has been taking isoniazid for suspected tuberculosis infection. Which of the following supplements should this patient take?
- (A) Ascorbic acid
- (B) Biotin
- © Folic acid
- (D) Niacin
- (E) Ribofl avin
- (F) Thiamine
- (G) Vitamin D
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