Kirsten Janz (BA, R.H.N., CFNP) is a Registered Holistic Nutritionist, author, and founder of Whole Body Health & Wellness. With over a decade of clinical experience, she has guided clients through complex digestive challenges, specializing in small intestinal bacterial overgrowth (SIBO), food sensitivities, and chronic illness. Drawing from both her personal health journey and professional expertise, Kirsten blends science-based strategies with compassionate, practical support.

She is the author of the forthcoming book SIBO Uncovered: The Hidden Epidemic Behind Your IBS Symptoms, a comprehensive guide that demystifies testing, treatment, and prevention of SIBO. Beyond clinical work, Kirsten mentors emerging nutritionists, develops educational resources, and speaks on topics ranging from gut health to holistic recovery. Her work reflects the belief that true healing means treating root causes and embracing the individuality of every person.