Pro-Travel combines 15 Natures Aid award winning Pro-30 Max with 15 Vitamin B1 tablets. PRO-30 MAX There are millions of bacteria inside each person, forming an internal world inside us which is often referred to as 'The Microbiome'. There is much scientific research being carried out into the world of the Microbiome and its potential impact on the rest of the human body. Natures Aid PRO-30 Max is a super strength daily supplement containing 8 strains of bacteria. Each daily capsule contains a guaranteed 30 billion live organisms, using 8 extensively researched strains of bacteria: Lactobacillus acidophilus, Lactobacillus casei, Lactobacillus reuteri, Lactobacillus plantarum, Streptococcus thermophilus, Bifidobacteria lactis, Bifidobacteria longum and Bifidobacteria bifidus. Natures Aid PRO-30 Max bacteria have been chosen for their enhanced stability and guarantee 30 billion live bacteria per capsule. Refrigeration is optional. Natures Aid PRO-30 Max is Dairy Free. VITAMIN B1: Vitamin B1 (Thiamine) contributes to: the normal functioning of the nervous system normal energy yielding metabolism normal psychological function normal function of the heart ion of the heart