Vivitonin 50mg Tablets and Vivitonin 100mg Tablets Presentation Vivitonin 50 mg tablets are orange-yellow, film-coated tablets, quarter-scored on one side. Each tablet contains 50 mg of the xanthine derivative Propentofylline. Vivitonin 100 mg tablets are orange-yellow, oblong film-coated tablets, half-scored on one side. Each tablet contains 100 mg of the xanthine derivative Propentofylline.