A science-backed approach to gut health

Gutsi believes that a happy microbiome is central to overall wellbeing. Founded in 2021, the brand combines the latest in scientific research with nature-inspired ingredients to create functional supplements that support digestive wellness.

Expert formulations

All Gutsi products are formulated by Kiran Krishnan, a research microbiologist with over 20 years of experience in dietary supplements and nutrition. Kiran is actively involved in over 18 clinical trials in probiotics and the human microbiome and frequently lectures at medical and nutrition conferences. His expertise ensures each product is evidence-based and designed to support the intrinsic relationships between nature, science and health.

New Zealand-owned & operated

Proudly New Zealand-owned, Gutsi is committed to creating supplements that are both effective and accessible, blending innovation, quality and responsibility. Their nature-inspired, science-backed approach makes gut health simple, practical and reliable for everyday life.