Ingredients:- Lactose (milk), gum arabic, biotin, iron phosphate, potassium phosphate, magnesium phosphate. Allergy Advice: For allergens see ingredients in bold Dosage: Dissolve 4 to 8 tablets on or under the tongue 3 times per day. Children to 12 yrs half dosage. Do not exceed the recommended dose. 12 tablets provide 9.0ug + of Biotin (18% Reference Intake). These may safely be taken with other supplements or medicines.