Description Optibac One Week Flat 28 Sachets is available in two sizes, 7 sachets and 28 sachets. One week flat has 5 billion bacteria of the strains Lactococcus, Lactobacillus and Bifidobacterium. It is best taken for 7 consecutive days. Suitable for vegetarians and gluten free. It is a flavour free powder which can also be given to children aged 4 years onwards. It does not need refrigeration.
