colloidal silicon dioxide

Examples of glidants include magnesium stearate, Aerosil (colloidal silicon dioxide), starch and talc.

Inactive ingredients are anhydrous lactose, colloidal silicon dioxide, magnesium stearate, and microcrystalline cellulose.

Valtrex is offered in 500 mg and 1 gram tablets, the active ingredient being valacyclovir hydrochloride, with the inactive ingredients carnauba wax, colloidal silicon dioxide, crospovidone, FD&C Blue No. 2 Lake, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, povidone, and titanium dioxide.