Postbiotics are the beneficial compounds produced by probiotics. They support gut health by supporting the gut barrier. They also boost the immune system and may improve digestion and overall metabolic health.* Our GLP-1-specific postbiotic formula delivers 16B cells per serving that are clinically studied to boost GLP-1.¹*
About the Authors
Kara Siedman, RDN, CDCES
Kara is the VP of Science and Partnerships at resbiotic. A Registered Dietitian Nutritionist and Certified Diabetes Care and Education Specialist, she brings a decade of clinical experience to every piece of content she writes. Her specialty is translational nutrition — turning peer-reviewed microbiome research into practical guidance people can actually use. Before joining resbiotic, she worked directly with patients managing respiratory, metabolic, and hormonal conditions, giving her firsthand understanding of the challenges these products are built to address.
C. Vivek Lal, MD, FAAP
Dr. Lal is the Founder and CEO of resbiotic and a double board-certified physician-scientist in Pediatrics and Neonatal-Perinatal Medicine. He is a tenured Professor of Pediatrics and Executive in Residence at the University of Alabama at Birmingham, where he directs the Microbiome & Discovery Labs — one of the nation's leading research centers for translating microbiome science into clinical therapeutics. His NIH-funded research has produced 20+ patents and reshaped how medicine understands the gut-lung axis. He is also the Founder and CEO of Alveolus Bio, a biotech company developing inhaled biotherapeutics for pulmonary conditions.