Each tablet contains 1000 mg nicotinic acid and 20 mg laropiprant. • The other ingredients are: hypromellose (E464), colloidal anhydrous silica (E551), sodium stearyl fumarate, hydroxypropylcellulose (E463), microcrystalline cellulose (E460), croscarmellose sodium, lactose monohydrate, and magnesium stearate.