Meet Our Team:
Head Practitioner:
Billie Shellist, FDN-P
Board Certified Holistic Health Practitioner (HHP)
Certified Vagal Toning Coach
Specializing in Complex Chronic Illness...
Mast Cell Activation Syndrome & Histamine Intolerance
Extreme Sensitivities & Multiple Chemical Sensitivities
Chronic Lyme Disease & Chronic Mold Illness
Viral Long Haul & Vaccine Injury Illness
Parasites & Gut Microbiome Health
Ehlers Danlos Syndrome (EDS)
Autism Spectrum Disorders (ASD)
Vagal Toning & Somatic Healing Practices
Autonomic Response Testing (ART) & Energetic Testing
Read My Personal Story & Learn More About My Approach
Billie Shellist, FDN-P
Board Certified Holistic Health Practitioner (HHP)
Certified Vagal Toning Coach
Specializing in Complex Chronic Illness...
Mast Cell Activation Syndrome & Histamine Intolerance
Extreme Sensitivities & Multiple Chemical Sensitivities
Chronic Lyme Disease & Chronic Mold Illness
Viral Long Haul & Vaccine Injury Illness
Parasites & Gut Microbiome Health
Ehlers Danlos Syndrome (EDS)
Autism Spectrum Disorders (ASD)
Vagal Toning & Somatic Healing Practices
Autonomic Response Testing (ART) & Energetic Testing
Read My Personal Story & Learn More About My Approach
In my 17-year search of health and wellness and after seeing several Naturopaths for chronic symptoms that never got better, Billie is by far the most thorough practitioner I have ever worked with. She was able to find the root causes of my Hashmimotto's, joint pain, general inflammation and edema & digestive issues. Her attention to detail, in-depth explanation of test results and how that correlates to my symptoms, & eating plans with delicious recipes make her protocols very easy to follow and effective. I'm feeling better than I have in years and my chronic symptoms have either gone away or lessened significantly. I would highly recommend her to anyone who is serious about getting better! "
Tracy Quattropani, CT
Ayla changed my life. She is the brightest light. I would recommend anyone to work with her. She has a unique ability to get to the root causes of symptoms to facilitate deep healing. After years of seeing naturopathic doctors and not finding much relief or any real answers, Ayla uncovered that I was suffering from histamine issues, hormonal imbalances, severe gut issues and mold toxicity. With her guidance, I have been able to heal. No more band aid approaches. Ayla is a natural born healer. She will be one of the greatest practitioners of our time and I am so grateful for her”. - Lauren, California
Associate Practitioner:
Ayla MacLeod, LCSW & Therapist
Board Certified Holistic Health Practitioner (HHP)
Mind Body Spiritual Release Practitioner (MBSR-P)
Specializing in...
Nervous System Dysregulation
Trauma & Mental Health (Anxiety/Depression)
Histamine Intolerance
Mast Cell Activation Syndrome (MCAS)
Insulin Resistance & Metabolic Dysfunction
Hormonal Imbalances & PCOS
Parasite Cleansing & Gut Microbiome Balancing
Complex Infections & Detox (Heavy Metals, Mold, Lyme & Co-infections, etc.)
Ayla MacLeod, LCSW & Therapist
Board Certified Holistic Health Practitioner (HHP)
Mind Body Spiritual Release Practitioner (MBSR-P)
Specializing in...
Nervous System Dysregulation
Trauma & Mental Health (Anxiety/Depression)
Histamine Intolerance
Mast Cell Activation Syndrome (MCAS)
Insulin Resistance & Metabolic Dysfunction
Hormonal Imbalances & PCOS
Parasite Cleansing & Gut Microbiome Balancing
Complex Infections & Detox (Heavy Metals, Mold, Lyme & Co-infections, etc.)
Ayla is a Licensed Clinical Social Worker (LCSW), Therapist, Board Certified Holistic Health Practitioner (HHP), and a Mind Body Spirit Release Practitioner (MBSR-P). Ayla received her master’s degree in social work with a concentration in health care from the University of Southern California (USC). She also has a variety of specialized certifications and continued education under her belt.
Her journey with holistic wellness began many years ago, but it wasn’t until she became bed bound at the age of 33 from a “mystery illness” that her entire life really shifted. When doctors were of no help to her, attributing the loss of her health to emotional issues, she set out on a
deep healing journey of her own - spending years diving into the research and education she needed to fully heal herself and go on to help others do the same.
Ayla’s passion lies in holding space for your healing journey and honoring where you are at every step of the way. Ayla has over a decade of personal experience navigating chronic illnesses and healing from anxiety, MCAS, Lyme & Co-infections, heavy metal & mold toxicity, SIBO, Hashimoto’s, complex PTSD, parasitic infections, leaky gut, POTS, EBV, PCOS & more.
Ayla is so grateful to be a part of Functional Diagnostic Healing as an associate practitioner because her passion and purpose have always been to guide others towards healing and health. Her mission truly is to never leave another woman stranded, feeling alone, misunderstood, and desperate for answers. She is deeply committed to helping women like yourself uncover the root causes of your complex symptoms so you can heal too.
Training & Certifications:
● B.A. in Psychology from John F. Kennedy University, 2012
● Masters in Clinical Social Work with a concentration in Health Care, 2015
● Mind Body Spirit Release Advanced Practitioner & Muscle Testing, 2021
● Functional Blood Chemistry Training (MBCE) 2021
● Female Hormones Course, 2021
● Microbiome Rebalancing Course, 2022
● Metabolic Health Course, 2024
Her journey with holistic wellness began many years ago, but it wasn’t until she became bed bound at the age of 33 from a “mystery illness” that her entire life really shifted. When doctors were of no help to her, attributing the loss of her health to emotional issues, she set out on a
deep healing journey of her own - spending years diving into the research and education she needed to fully heal herself and go on to help others do the same.
Ayla’s passion lies in holding space for your healing journey and honoring where you are at every step of the way. Ayla has over a decade of personal experience navigating chronic illnesses and healing from anxiety, MCAS, Lyme & Co-infections, heavy metal & mold toxicity, SIBO, Hashimoto’s, complex PTSD, parasitic infections, leaky gut, POTS, EBV, PCOS & more.
Ayla is so grateful to be a part of Functional Diagnostic Healing as an associate practitioner because her passion and purpose have always been to guide others towards healing and health. Her mission truly is to never leave another woman stranded, feeling alone, misunderstood, and desperate for answers. She is deeply committed to helping women like yourself uncover the root causes of your complex symptoms so you can heal too.
Training & Certifications:
● B.A. in Psychology from John F. Kennedy University, 2012
● Masters in Clinical Social Work with a concentration in Health Care, 2015
● Mind Body Spirit Release Advanced Practitioner & Muscle Testing, 2021
● Functional Blood Chemistry Training (MBCE) 2021
● Female Hormones Course, 2021
● Microbiome Rebalancing Course, 2022
● Metabolic Health Course, 2024
WHAT TO EXPECT WHEN YOU WORK WITH US...
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Treating Chronic Lyme and Mold Illness can be frustrating and downright overwhelming, especially when Mast Cell Activation Syndrome (MCAS) gets triggered!
We've BOTH been there! And now we can help you identify the missing pieces to your health puzzle and unlock the areas that are holding you back from fully healing from this illness. Our 5-step program is a personalized, hands-on, detailed approach to reducing your reactions, identifying your personal triggers and root causes and helping you gain back quality of life! Work With Us If You...
We will start with a one to two hour initial consultation (via Zoom or phone) where we will review your health history in extensive detail and recommend some simple steps to implement right away to bring relief. We will also recommend some functional lab testing to uncover the root causes & missing pieces of your health puzzle. After the initial consult, you will meet with your practitioner via zoom every 4-8 weeks to review test results, adjust and implement protocols and recommendations, trouble shoot, and help to educate and support you as you heal. |