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The Functional Nursing Blog
Published by the Institute for Functional Nursing (IFN) — advancing the role of nurses in functional medicine through education, leadership, and innovation.


Autoimmune Disease and Functional Medicine for Nurses: Connecting Inflammation, Gut Health, Stress, Sleep, and Patient Education
Autoimmune disease is one of those areas where patients often feel like they are living in the gap. They may have symptoms for years before getting answers. They may be told their labs are “normal” when they know something is not right. They may finally receive a diagnosis, but still feel unsure about what they can actually do to support their body day to day. And many of them are exhausted. Fatigue. Joint pain. Brain fog. Rashes. Gut symptoms. Thyroid changes. Flares that se
Brigitte Sager
9 min read


Functional Nutrition for Nurses in 2026: GLP-1s, Protein, Fiber, Gut Health, and Food-as-Medicine
You may have heard me talk on the podcast about how GLP-1 medications are here to stay. Whether you love them, hate them, feel conflicted about them, or believe a functional approach could reduce the need for them in some patients... the reality is that our patients are already on these medications. And many more will be. J.P. Morgan Research estimates that more than 30 million Americans may be on GLP-1 treatment by 2030, up from an estimated 20 million on branded GLP-1s in 2
Brigitte Sager
8 min read


Functional Nursing and Holistic Nursing Certification: A New Opportunity for Nurses
Learn how holistic nursing certification aligns with functional nursing and supports professional growth.
Brigitte Sager
4 min read


Finding Purpose in Nursing Again: Why Meaning Matters for Our Health and Our Profession
In recent years, an interesting theme has been surfacing more and more in conversations within functional medicine. At conferences and gatherings of clinicians, researchers are talking about factors that influence health far beyond biochemistry and lab results. Two that come up often are joy and isolation- how connection, community, and emotional well-being shape our physiology just as much as diet, sleep, and nutrients. But I’ve been thinking about another factor that may be
Brigitte Sager
5 min read
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