Your Team

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Douglas M. Cluff, M.D., founder of slim tlc

Jennifer Frandsen, integrative Nutrition coach

Jennifer Frandsen, integrative Nutrition coach

Dr. Cluff received his Medical Doctor degree at the Texas Tech University School of Medicine in Lubbock, Texas, and did his Family Medicine Residency at the University of Texas Medical Branch in Conroe, Texas.


He has been interested in weight loss since 1990, when he started gaining weight in his mid-20s.  He soon began to develop his own strategies and systems, including adult and pediatric programs, and wrote a couple of books on the subject.  After fine-tuning his approach and troubleshooting with many patients, he founded SLIM TLC in 2011.  


Dr. Cluff has been actively practicing Family Medicine since 2001, and in 2017 he started a membership practice called TLC Family Health.  He has founded non-profit organizations called Project Simplify Health and Keep Flower Mound Healthy  He is writing another book, How Not to Get Sick, and soon he is starting a healthy restaurant called WHOLi KaBOWLi! 


Dr. Cluff is Board Certified by the American Board of Family Medicine (ABFM).  His hobbies include entrepreneurship, sports, writing, playing piano, singing, watching movies, and spending time with his wife, Sandra, six children (ages 13-25), two sons-in-law, and three grandchildren (ages 0-2).  He is also fluent in Spanish.

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Jennifer Frandsen, integrative Nutrition coach

Jennifer Frandsen, integrative Nutrition coach

Jennifer Frandsen, integrative Nutrition coach

Jennifer's passion for nutrition began in 2002 when extensive study, driven by weight gain and a lack of energy, led her to learn the incredible value of nutrition and healthy lifestyle changes.  She cleaned out her pantry and learned how to prepare delicious meals for her family.  She also learned that many of the diseases rampant in today's society are the direct result of our dietary choices and can be prevented or reversed with diet and lifestyle changes.  Along this journey, she lost excess weight, and had more energy, a clearer complexion, and a new zeal for life – and she began teaching others what she had learned.


In 2018, Jennifer graduated from the Institute for Integrative Nutrition (IIN), where she learned from the world’s top nutrition experts, including Drs. Joel Fuhrman, Neal Barnard, Mark Hyman, Andrew Weil, and David Katz.  After graduating as an Integrative Nutrition Health Coach, Jennifer started a nutrition coaching business called “The Pantry Mentor,” which offers a complete program with a hands-on approach that transforms lives.


In her spare time, Jennifer enjoys gardening, running, reading, and spending time with her husband, Troy, seven children, ages 9-26, son-in-law and two grandchildren.