Proval CR 200 tablet: Each film coated controlled release tablet contains Sodium Valproate BP 133.2 mg & Valproic acid BP 58 mg (Both together correspond to sodium valproate 200 mg). Proval CR 300 tablet: Each film coated controlled release tablet contains Sodium Valproate BP 199.8 mg & Valproic acid BP 87 mg (Both together correspond to sodium valproate 300 mg). Proval CR 500 tablet: Each film coated controlled release tablet contains Sodium Valproate BP 333 mg & Valproic acid BP 145 mg (Both together correspond to sodium valproate 500 mg).