Tracy L.
11/7/2025
Courtney is a true healer. She is a wise sage and a trusted ally. She will be your biggest cheerleader. After red lining and white knuckling through life for decades, I crashed. After months of...
Five Seasons Functional Medicine
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Portola Valley, CA 94028
Five Seasons Functional Medicine, established in Portola Valley, California, focuses on root-cause healing for chronic health conditions through a systems-based approach. Led by Courtney Jonson, a licensed acupuncturist and certified GAPS Practitioner, the practice specializes in identifying underlying imbalances that disrupt health and offers personalized programs aimed at restoring and supporting clients' systems biology.
The clinic provides virtual consultations, initial case reviews, and comprehensive assessments, including functional blood chemistry tests, to develop tailored treatment plans. By emphasizing therapeutic dietary changes, lifestyle modifications, and individualized nutrition strategies, Five Seasons aims to empower clients to regain their health and vitality.
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Reviews
4.517 reviews
Natalie B.
8/18/2019
Hello, Reader. While I have not got ok from my Small Intestinal Bacterial Overgrowth (SIBO), and that battle continues, the one person who helped me learn what my problem was, is Courtney. I...
Alex B.
2/17/2021
I have worked with Courtney for 4 months and have enjoyed every session with her. She is knowledgeable of her subject matter and understanding of what it takes to change behavior to improve your...
Sean H.
2/11/2020
I found Courtney at a very challenging period of my life--life threatening surgery for intestinal issues, followed by an aggressive walk out divorce while I was recovering. While I've alway...
Nicholas S.
11/8/2020
Below is an email I sent to Courtney after out initial meeting and starting a new plan to address some auto-immune issues. She has been absolutely fantastic to work with and now anyone who comes...
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