EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA); Scientific Opinion on the substantiation of health claims related to the substantiation of health claims related to various and reduction of gastrointestinal discomfort (ID 1030, 2956, 2958, 2961, 2963, 2966, 2970), decreasing potentially pathogenic gastro-intestinal microorganisms (ID 1030, 2956, 2958, 2961, 2963, 2966, 2970), improved lactose digestion (ID 1030, 2956, 2958, 2961, 2963, 2966, 2970), “intestinal flora/digestive health” (ID 4231), defence against vaginal pathogens (ID 2950, 2957, 2967) and increasing IL-10 production and/or enhancing the activity of natural killer cells (ID 2960, 2962, 2971) (further assessment) pursuant to Article 13(1) of Regulation (EC) No 1924/2006