Travelbac capsules, a probiotic dietary supplement for travellers, have been launched by Co-pharma. The company says that the product contains seven different strains of bacteria, "to aid digestion and promote general good health", as well as Brewers yeast and a vitamin B complex, "to protect the gut lining". One capsule should be taken two to three times daily, starting on the first day of the holiday and stopping on the last day (retail price, 30 £9.99).