
You deserve better healthcare.
Raleigh, NC
The Power of Essential Health starts here.
Welcome to Essential Health in Raleigh, NC, where we are committed to delivering comprehensive healthcare that combines the best of conventional medicine with the best of functional and integrative medicine. We offer a wide range of services designed to address your health concerns holistically, emphasizing prevention, personalized treatment plans, and patient-provider relationships. Our skilled practitioners are dedicated to helping you achieve and maintain optimal health through evidence-based practices and innovative protocols. Discover a new level of care at Essential Health, where your well-being is our priority.
How are we different?
- We approach health care in a new way by combining principles of conventional medicine with evidence-based science of functional and integrative medicine. This approach allows us to focus on comprehensive, personalized wellness plans tailored to your unique needs.
- We give you time. Enjoy longer appointments, no wait time, 24/7 access to your provider for emergencies, and a trusted, lasting relationship with your healthcare team.
- We work for you. We believe you are more than a collection of symptoms. Utilizing principles of functional medicine, we evaluate the root causes of your condition and offer programs that aim to restore health, not just maintain the status quo.
We are with you every step of the way, every day.
After submitting your information, please check your email to schedule a complimentary Meet & Greet or to provide additional information about your request.
Explore Our Services in Raleigh
All programs begin with a Discovery Call where we pair you with your best fit provider to meet and review your story and goals, then help guide your journey to optimal health. A Discovery Call is a one-time fee of $150 that applies to select services.
Primary Care
We offer a unique form of primary care to help you reach the highest level of well-being possible. Work with our providers who are board-trained in functional and anti-aging medicine to develop a personalized roadmap – first to a state of well-being and then to health and longevity optimization. Our Raleigh office offers several options of primary care to match your specific needs.
Essential Primary Care: The perfect blend of functional and conventional medicine, ensuring that you receive the highest care possible to achieve whole-body optimization. Includes 24/7 access to your provider and extensive personalized health assessments annually.
Pricing: Total Care $520/month | Preventive Care: $345/month
Discount available for second adult.
Essential Collective Care: Excellence in primary care without concierge benefits. Care to meet you where you need us most.
Pricing: Total Care: $325/month | Preventive Care: $150/month
Pediatric Primary Care: Comprehensive and personalized care for patients 21 years or less. Annual well-child check included.
Pricing: $125/month
Contact Essential Health – Raleigh for more information on all Essential Primary Care program benefits.
Functional Medicine Assessments & Consultations
Functional Medicine at Essential Health focuses on alleviating the root cause of a health issue by treating the whole person, not just managing symptoms with medication. Through in-depth assessments and consultations, we aim to help address chronic issues and improve your health with the tools and guidance to reach long-term vitality.
Essential Health Assessment: Our deepest dive into your total health picture. Includes extensive labs and testing, 3 hours with your doctor, full summary and action plan.
Pricing: $2,200+
Essential Wellness Consultations: Our extensive wellness lab panel and a 90-minute consultation with our functionally trained providers. Receive a tailored plan based on lab results, symptoms, physical exam, and medical and family history.
Pricing: $900+
Functional Medicine Consultations: Medical consultations with our functionally trained providers, beneficial for a deeper dive into specific medical concerns, such as gut health, thyroid, inflammation, etc., while maintaining your current primary care provider.
Pricing: $500/hour
Women’s Health
We understand that women have a unique set of healthcare needs. Our team of board-certified providers has a deep understanding of the intricacies of women’s health and is dedicated to helping women manage and resolve hormone issues and learn to support their bodies throughout life’s transitions. Our medically supervised solutions for women include lifestyle modifications, peptide therapy, and Bioidentical Hormone Replacement Therapy, a natural and personalized approach to hormone balance.
Pricing: $650/quarter
Specialty Testing
We have access to many labs throughout the country that provide specialty testing for gut health, food sensitivities, hormone health, environmental toxins, inflammation, micronutrients, and genomics, among other detailed health assessment resources.
Peptide Therapy
Peptides are short chains of amino acids, which are the building blocks of proteins. Peptides play various roles in cellular function, structure, and signaling, all of which influence health and well-being. We provide medically supervised, carefully sourced, and highly personalized peptide therapy protocols that can support tissue healing, weight management, athletic performance, and other specialized areas of health.
Regenerative Medicine
Help your body repair and regenerate by stimulating your own healing mechanisms using growth factors, platelet-rich plasma, exosomes, medical grade skincare, and more.
Men’s Health
Our programs help men navigate medical issues related to low testosterone and other hormone imbalances to increase energy and vitality through medically supervised solutions including lifestyle modifications, peptide therapy, and Bioidentical Hormone Replacement Therapy, a natural and personalized approach using subcutaneous pellets, topical creams, or injections.
Pricing: $650/quarter
IV Therapy
Our custom-made IV protocols deliver important vitamins, antioxidants, and other nutrients directly into your blood stream. Benefits include hydration, increased energy, reduced inflammation, immune support, and healthier skin.
Weight Management
Losing unwanted or unnecessary weight has a large impact on overall health and longevity. Our weight management services combine medically supervised weight loss rooted in functional medicine with the support and accountability you need to establish habits that lead to long-term, optimal health.
Aesthetics
We offer microneedling, platelet-rich plasma treatments, compression wave facials, and access to our private-label medical-grade skincare, all overseen by our fully trained and experienced practitioners.
Advanced Tools
In addition to our personalized programs, we offer advanced tools that work to complement your care or as stand-alone treatments to further promote optimal health.
EBO2 (Extracorporeal Blood Oxygenation & Ozonation): An advanced protocol that combines specialized blood filtration and mitochondrial stimulation with ozone and light therapy applied directly to the blood before returning clean, energized blood back to the body. Supports energy, mitochondria, brain function, and longevity.
Pricing: $1,750+
HBOT (Hyperbaric Oxygen Therapy): A non-invasive, safe, and effective therapy for reducing inflammation, promoting healing, and increasing tissue regeneration. We offer a relaxing environment for you to breathe oxygen in a pressurized cabin, which increases the amount of oxygen your blood can carry to every cell.
Pricing: $100/each | Package pricing available
Infrared Sauna & Red Light Therapy: Red light and triple infrared sauna use infrared light to penetrate tissue, stimulate healthy cellular energy and repair, and aid in detoxification, weight loss, pain reduction, and anti-aging.
VO2 Max Testing: Measures your body’s ability to extract oxygen from your blood during exertion, effectively showing your true fitness level. At rest, this test shows your basal metabolic rate. Our protocol can be matched to your level from sedentary to pro athlete.
Meet Our Team
Alli Webb, MD, ABIM, ABPN
Internal Medicine – Psychiatry
Longevity & Executive Health Physician
Dr. Webb is passionate about whole-person care and her clinical focuses include executive performance optimization, mental resilience, hormone balance for men and women, and mind-body comprehensive primary care.
Accepting new patients!


Nikki Fowler, FNP-C, AANP
Longevity & Functional Medicine Provider
Nikki emphasizes collaborative goal setting and building relationships with her patients. Her areas of clinical interest include hormone balance, collaborative primary care, fitness and lifestyle medicine, and foundational health optimization.
Accepting new patients!
Kyle O’Brien, DO, ABFM, IFMCP, ABAARM
Longevity & Functional Medicine Physician
Dr. O’Brien has a passion for health and fitness, and his clinical focuses include longevity, performance optimization, hormone balance, advanced peptides, gut health, regenerative medicine, and precision primary care.
Currently not accepting new patients


Elizabeth Sierakowski, MD, ABFM, ABOIM, ABAARM
Founder
Dr. Sierakowski’s practice emphasizes advanced lifestyle medicine, hormone and gut health, cellular nutrition, and whole-body regenerative therapies to advance active longevity. She continuously drives innovation and incorporates leading clinical technologies to expand Essential Health’s model of optimal, personalized care.
Currently not accepting new patients
What do our clients say?
“I came to Essential Health after years of hormonal, celiac, thyroid, candida, etc issues. I had seen countless doctors and naturopaths to which some symptoms were fixed, but my overall health was declining. I was at my lowest point and Essential Health has been able to get my body on the right track and even give me a root cause after years of no one understanding. I highly recommend Essential Health practice to absolutely anyone struggling with hormonal issues, food allergies, candida, and so much more. They are so kind and always go the extra mile!”
A. Bramble
“My daughter, son-in-law, husband, and I came to Dr. Elizabeth Sierakowski with concerning health issues. She took her time to deeply analyze each of our problems and has put us all on a very positive road to wellness. Her knowledge and deep empathy have been a true lifesavers! Thank you, Dr. Elizabeth!!!”
C. Swirsky
You deserve better healthcare.
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