Meet Our Health Experts
To ensure the highest possible quality and accuracy, Human Food Bar’s health and nutrition articles are medically reviewed by health experts. With a strict editorial policy, our team of professionals has extensive clinical expertise that is infused in each piece they help produce.

Medical Content Review Panel
Our diverse team of reviewers has a combined more than 40 years of experience in nutrition, dietary management, pharmacology and allopathic medicine.

KATHRYN SHATTLER, MS, RDN
Medical Reviewer
Kathy is a Registered Dietitian Nutritionist with a Master of Science degree from Michigan State University in Human Nutrition. She’s been a Registered Dietitian for 32 years serving in all capacities of my profession from clinical nutrition to public health and education. She’s passionate about helping people change their lives for the better using medical nutrition therapy and in the art and practice of writing about all aspects of functional and integrative nutrition.

Debbie Ungerleider, MD
Medical Reviewer
Dr. Ungerleider, a New Jersey native, started practice in July of 1989 upon completion of her residency in pediatrics at the Bellevue Hospital/New York University Medical Center. Dr. Ungerleider was a Chief Resident in Pediatrics in her last year there. She is Board Certified by the American Board of Pediatrics, and a member of the American Academy of Pediatrics. In addition to her clinical practice, Dr. Ungerleider also does Medical Writing and Editing, as well as medical reviewing.

Hope Chang, Pharm. D
Medical Reviewer
Hope Chang, PharmD, AAHIVP, is an ambulatory care pharmacist in the San Francisco Bay Area. She has experience in HIV care, specialty pharmacy, managed care, and global health. She’s a residency trained and licensed in California, Minnesota and Virginia, working to improve health outcomes by first improving the patient experience. Hope is also a professional medical content reviewer.