Practitioners USA

Lisa Pitel-Killah


Lisa is certified in Functional Diagnostics, which bridges the gap between clinical nutrition and functional medicine, through the Functional Diagnostic Nutrition Institute in the US.  She is a Board Certified Holistic Health Practitioner with the American Association of Drugless Practitioners, a Hair Mineral Analysis Practitioner and Educator, and a multi-time Kettlebell Sport World Champion.  She is currently in the process of becoming a Holistic Carnivore and Equine Nutritionist.  

Gaby Udabor

Holistic Nurse Practitioner, Functional Medicine Health Consultant, HTMA-E

Gaby Udabor is a Holistic Nurse Practitioner, Functional medicine health consultant, Hair Tissue Mineral Analysis Expert, Maternal and Child health Advocate, and mother to 5 children. She helps individuals and their families incorporate holistic living successfully using different proven strategies to achieve optimal health. For over 17 years, Gaby Udabor has worked in a wide range of different healthcare settings from primary care clinics, nursing homes, home health, and weight loss clinics. Gaby’s approach and passion for functional medicine began because of her personal battle with on-and-off fatigue and gut health issues that lasted for almost a decade. After many visits to multiple providers, labs, and prescription medications, and still not getting better, she decided things needed to change. Gaby’s mission is to help individuals who share similar health issues, heal from the inside out. She is determined to empower people not to give up and to know that there is still hope to reclaim and optimize their health. Gaby takes the time to learn each individual’s uniqueness from their personal health history and dig deep into what has or has not worked in the past and this she believes is a way true healing can begin.


Kim Heintz


Kim has always been passionate about the health and wellness space and has applied her own education to optimize her performance as an endurance mountain bike athlete.  She is a graduate from the Functional Diagnostic Nutrition Institute, a long-standing member of the Alumni of Functional Diagnostic Nutrition Professionals. 

Kim is a health, wellness and fitness advocate, you can find her on her bicycle several days a week.  In 2019 and 2021, she placed 3rd overall in a Nationally-ranked long distance bike race.  In 2021 she rode 100 miles in 4.5 hours, averaging over 22mph the entire ride.  

Kim’s passions in the functional medicine space are focused on helping other athletes improve their performance in their sport and in women’s health.

Katie Engel


Katie is a Holistic Nutritionist, Hair Tissue Mineral Analysis Practitioner, as well as Yoga and Meditation teacher.  She believes that you have the ability to drastically change your life with diet, lifestyle, and mindset. Her own mineral balancing journey provided the missing piece to her own health journey and now she wants to share that crucial component with others. Katie believes in the importance of the mind-body connection and affirms that you in fact hold the power and the key to your own healing, she’s just here to shine some light on it.

Katie has a special interest in mental health and how thoughts, environmental factors, and diet can all have a huge impact on the life you live.  She believes that each person is capable of creating the reality they desire and is on a mission to help others realize this as well.

Scroll to Top