Maternal High Fibre Fermented Diet Effect on Breastfed Infant Gut Microbiome

Inclusion Criteria: * Healthy breastfeeding women aged 18 years old and older. * Healthy singleton full-term infants (girls and boys) aged between 2 and 5 months old and who are exclusively breastfed. * Not using lifelong medications and antibiotics in the past 12 weeks prior to the study. * Not using prebiotic or probiotic supplements in the past 4 weeks prior to the study. * No serious problems preventing participants from breastfeeding their babies. * No food allergies or intolerances. * No chronic conditions like diabetes, cancer, heart disease, bowel disorders, eating disorders, or any illness requiring regular medical care or lifelong medication. * No history of complications during pregnancy (e.g., preeclampsia and gestational diabetes). Exclusion Criteria: * Expecting two or more children (i.e., multiple births; twins, triplets). * Not exclusively breastfeeding their infants (i.e., introduced formula or solids) or having medical conditions known to contraindicate breastfeeding (e.g., classic galactosemia, human immunodeficiency virus (HIV-virus) infection, untreated tuberculosis (TB)). * Preterm birth. * Clinically diagnosed with chronic medical conditions (e.g., type 1 and type 2 diabetes mellitus, cancer, cardiovascular diseases, and mental illnesses). * Medical conditions affecting gastric digestion or absorption (e.g., inflammatory bowel diseases (IBD), and irritable bowel syndrome (IBS)). * Conditions interfering with intervention intake (e.g., celiac disease, gluten hypersensitivity or lactose intolerance). * History of gestational complications. * Use of antibiotics in the past 12 weeks prior to the study. * Use of prebiotic or probiotic supplements in the past 4 weeks prior to the study. * Following exclusionary or restrictive diets (e.g., gluten-free, or weight loss).