Acidophilus Plus utilises GUARD technology; a patented, innovative and natural technology proven to protect the bacterial strains from stomach acid and enable the timed release of the probiotics within the intestines. Combines nine strains of live probiotics, providing 3.5 billion live bacteria per capsule. Contains specially cultivated strains which are stable at room temperature so no need to refrigerate. Ideal for children from four years of age and adults up to their early 40s.