How a Nutrition Practitioner Uses Hair Mineral Analysis — An Interview with Koay Yih Zi
Why can two people on the same healthy diet feel completely different? And where does hair tissue mineral analysis (HTMA) fit into the answer? We spoke with Koay Yih Zi, founder of Health Balancing and a long-standing partner of LifelineDiag, who uses HTMA as one part of nutritional assessment, alongside symptoms, health history and dietary evaluation.











