GLOSSARY TERM

Metabolic Flexibility

The body's ability to efficiently switch between burning carbohydrates and burning stored body fat based on availability and need.

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Clark, R. (2026). Metabolic Flexibility. In *CFP Weight Loss glossary*. https://glossary.cfpweightloss.com/metabolic-flexibility
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Russell Clark, FNP-C, APRN
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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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