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GLOSSARY TERM

Gut-Brain Axis

Russell Clark, FNP-C, APRN
Defined by Russell Clark, FNP-C, APRN Author of The 30-Week Tirzepatide Reset May 11, 2026

The complex communication network between your digestive system and your brain that controls satiety, mood, and metabolic rate.

📄 Cite This Definition
Clark, R. (2026). Gut-Brain Axis. In *CFP Weight Loss glossary*. https://glossary.cfpweightloss.com/gut-brain-axis
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Am I better off increasing my frequency of sessions per week, or my duration of each session — what does the research actually say and how it connects to gut health and inflammation?Anyone have any positive results like the book says when you have PCOS or hormonal imbalances if you're on a GLP-1 like semaglutide or tirzepatide?Can I use Bears Head (Hericium americanum) in place of Lions Mane and how it connects to gut health and inflammation for those with hypothyroidism or Hashimoto’s?Depressive symptoms from non-stick air fryer — what do certified weight loss coaches recommend and how it connects to gut health and inflammation?Does mental health predict diabetes as much as BMI? Interesting ML study results — what does the research actually say when you have PCOS or hormonal imbalances?Dopamine gap and weight loss — how a functional medicine approach differs for long-term maintenance (not just short-term)?
Russell Clark, FNP-C, APRN
About the Author

Russell Clark, FNP-C, APRN, is the founder of CFP Weight Loss in Nashville and CFP Fit Now telehealth. Over 35 years in healthcare — Army Nurse Reserves, Level 1 trauma ER, hospitalist — he developed a 30-week protocol integrating real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 30–90 pounds. He and his wife Anne-Marie lost a combined 275 pounds using the same protocol.

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