Optibac Probiotics For Travelling Abroad Formerly Known As Travla From Dtecta Probiotics. Optibac Probiotics Formula For Travelling Abroad May Be Taken Prior To, During And After Travel Abroad To Support Digestive Health And Natural Immunity.When Eating And Drinking Unfamiliar Foods In Foreign Environments It Pays To Maintain A Healthy Coating Of Friendly Bacteria In The Intestines To Support Natural Immunity And Digestive Health. Optibac Probiotics For Travelling Abroad Gives Travellers The Increased Confidence To Enjoy Their Trips Abroad Anxiety-Free.