Educational Articles
Understanding and Managing Elevated Zonulin Levels: Insights from GI-MAP
by Ilana Gurevich, ND, NSOM, FABNG
The Role of Zonulin in Intestinal Permeability
Zonulin is a protein in the small intestine that plays a crucial role in controlling the permeability of tight junctions between cells in the digestive tract.1 Tight junctions are responsible... read more »
Understanding SIgA on the GI-MAP: The Key Defender in the Immune Arsenal
by Ilana Gurevich, ND, NSOM, FABNG
About Secretory Immunoglobulin A (SIgA)
Secretory immunoglobulin A is the most abundant antibody in the body and is found in many mucus membranes. It comprises roughly 70 percent of the body's total immunoglobulins. The majority of IgA is... read more »
Transforming Gastrointestinal Health with GI-MAP: A Case Study of Protozoa and SIgA
by Ilana Gurevich, ND, NSOM, FABNG
Sam's Journey: Unraveling Complex Health Issues
Sam is a 48-year-old male who presented to my clinic in a very ill state. He felt significantly older than his years and had multiple health issues that plagued him daily. Sam explained that... read more »
Using the GI-MAP Stool Test to Uncover Parasitic Infections
by Ilana Gurevich, ND, NSOM, FABNG
A Healthy Lifestyle Meets Unexpected Challenges
Grace is a 42-year-old female that had always been very healthy and active. An avid cyclist, she would spend most of her leisure time biking and hiking in the backcountry. She was a long-... read more »
A Functional Approach to GI Symptoms Driven by Rheumatoid Arthritis
by Ilana Gurevich, ND, NSOM, FABNG
Using GI-MAP for a Rheumatoid Arthritis Sufferer Experiencing GI Symptoms
Karen is a 63-year-old female who was diagnosed with rheumatoid arthritis (RA) four years before coming to my clinic. After her initial diagnosis, she was able to... read more »
Fecal Gluten Peptide
Fecal Gluten Peptide (Stool Gluten)
by Cat Simmons MS, RD, CDCES
Detects Exposure to Gluten for Better Dietary Management
Gluten Peptide is commonly present in stool. Gluten-containing grains (such as wheat, rye, barley, and oat*) are digested into their gliadin... read more »
Universal Antibiotic Resistance Genes
by Cass Nelson-Dooley, MS
55 Genetic Elements Associated With Resistance to 10 Different Classes of Antibiotics
A new and improved antibiotic resistance genes panel has been released by Diagnostic Solutions Laboratory. Useful for patients who have been hospitalized, treated... read more »
Arabinitol: Why It Is More Reliable Than Arabinose for Identifying Yeast Overgrowth
by Betsy Redmond, Ph.D., MMSc, RDN
Biomarkers for Yeast Overgrowth
Many species of fungi live in healthy humans and are considered commensal. The balance of yeast can change due to several factors leading to yeast overgrowth, and in some cases can become invasive. Candida... read more »
GI-MAP Uncovers a Case of Candida Mistaken for IBS
by Ilana Gurevich, ND, NSOM, FABNG
Unresolved Symptoms of IBS Leads Patient to Functional Medicine
Wendy is a 58-year-old female who presented to my clinic with a year-long history of chronic, life-affecting diarrhea. She was experiencing as many twenty urgent, watery,... read more »