Affinity Functional Health

Achieve optimal health with personalized care.

Empower your wellness journey today!

ABOUT

Philosophy

There's Nothing Wrong with You!

But something may be out of balance.

If you’ve been told “everything looks normal,” yet you still don’t feel like yourself, you’re not alone—and you’re not imagining it.

At Affinity Functional Health, we focus on understanding you as a whole person. We take time to listen to your story and partner with you to explore the underlying contributors to your symptoms—not just the symptoms themselves.

Using thoughtful assessment, in-depth review, and personalized wellness planning, we help you create a path toward improved balance, energy, and overall well-being—based on your unique body, lifestyle, and goals.

The Five Petals of Optimal Health

Our approach is guided by the interconnected areas that influence how you feel and function each day. By addressing these foundational elements together, we support meaningful and sustainable change.

This is not a one-size-fits-all approach.
It is collaborative, individualized care—designed to support long-term vitality.

Areas of Expertise

At Affinity Functional Health, we focus on personalized, wellness-based care that supports the body’s ability to function at its best.

Our areas of expertise include:

Digestive and gut health support
Energy, fatigue, and burnout patterns
Metabolic health and weight optimization support
Hormone balance during life transitions
Stress physiology and nervous system regulation
Sleep quality and recovery support
Brain fog, focus, and mental clarity support
Inflammatory load and immune system balance
Nutrition-centered and lifestyle-based strategies
Long-term health optimization and prevention-focused care

Care is individualized and educational in nature, with plans developed based on personal goals, history, and lifestyle—not one-size-fits-all protocols.

Inflammation

Weight Loss

Gut Health

Services provided through Affinity Functional Health are educational and wellness-focused and do not replace primary care or acute medical services.

Meet Jacqueline Belk, MSN, APRN, FNP-C, FMACP

Supporting whole-person wellness through personalized, systems-based functional health care.

Jacqueline Belk is a nurse practitioner with more than ten years of experience owning and leading her own clinic. Prior to becoming a nurse practitioner, she spent 24 years working as a critical care nurse in high-acuity environments, where she developed a strong appreciation for the complexity of the human body and the importance of foundational health.

Motivated by a desire for a more proactive and individualized approach to care, Jacqueline earned her Master’s degree from Maryville University and later pursued advanced training and certification in Functional Medicine. This training allows her to take a systems-based view, exploring how nutrition, digestion, metabolism, stress, and lifestyle factors influence overall well-being.

Today, Jacqueline focuses on supporting individuals interested in weight optimization, digestive and gut health support, metabolic and blood sugar balance, cardiovascular wellness, and long-term health resilience. Her work is collaborative and education-centered, emphasizing personalized guidance and sustainable lifestyle strategies.

Jacqueline is passionate about helping individuals better understand their bodies, feel confident in their health decisions, and make meaningful changes that support lasting wellness.