This product is available exclusively from Inner Strength's Practitioner range, by either: Providing a script or referral documentation from a qualified health professional For clients registered in our database or working with an Inner Strength practitioner Through a complimentary phone consultation to discuss your needs and if this product is suitable. To enquire about accessing these products click the link here to apply for access or request a phone consultation. 30 Chewable Tablets BioGaia Gastrus is a latest-generation probiotic that contains dual L. reuteri probiotic strains that work collectively to support your entire GI system and good health system-wide. Gastrus supports positive gut-brain communication and eases many occasional GI symptoms, including constipation, abdominal discomfort, gas and bloating. Our innovative probiotic supplement is the one and only to contain L. reuteri ATCC PTA 6475, a powerful probiotic strain that goes beyond the gut to support multiple body systems, including the immune, endocrine, nervous, and skeletal systems. Gastrus also contains L. reuteri DSM 17938, shown to positively affect gut motility and promote regularity.