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Gerson Regimen for Cancer: Safety & Side Effects

This page covers safety information for the Gerson Regimen. See our complete Gerson Regimen therapy guide →

Authors

Christine Mineart, MPH

CancerChoices Program Director
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Christine has a dynamic background in the life sciences, public health, and program operations. Her career began at the lab bench with a Gates Foundation-funded HIV Vaccine research group, which led her to graduate studies in public health epidemiology at UC Berkeley. Her research experience spans clinical epidemiology research to evaluating the impacts of community nutrition programs in Los Angeles, the Central Valley, and Oakland. Most recently she has worked in executive operations for a seed-stage venture capital firm based in San Francisco. Personally, Christine is passionate about holistic health and wellness. She is a clinical herbalist and Reiki master, and she has been practicing yoga for 15+ years. She brings a breadth of experiences to her work leading the CancerChoices program.

Christine Mineart, MPH CancerChoices Program Director

Maria Williams

Research and Communications Consultant
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Maria Williams is a research and communications consultant who brings over 15 years’ experience in research, consumer education, and science communication to CancerChoices. She has worked primarily in public health and environmental health.

Maria Williams Research and Communications Consultant

Clinical reviewer

Laura Pole, MSN, RN, OCNS

Senior Clinical Consultant
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Laura Pole is senior clinical consultant for CancerChoices. Laura is an oncology clinical nurse specialist who has been providing integrative oncology clinical care, navigation, consultation, and education services for over 40 years. She is the co-creator and co-coordinator of the Integrative Oncology Navigation Training at Smith Center for Healing and the Arts in Washington, DC. Laura also manages the “Media Watch Cancer News That You Can Use” listserv for Smith Center/Commonweal. In her role as a palliative care educator and consultant, Laura has served as statewide Respecting Choices Faculty for the Virginia POST (Physician Orders for Scope of Treatment) Collaborative as well as provided statewide professional education on palliative and end-of-life care for the Virginia Association for Hospices and Palliative Care.

For CancerChoices, Laura curates content and research, networks with clinical and organizational partners, brings awareness and education of integrative oncology at professional and patient conferences and programs, and translates research into information relevant to the patient experience as well as clinical practice.

Laura sees her work with CancerChoices as a perfect alignment of all her passions, knowledge and skills in integrative oncology care. She is honored to serve you.

Laura Pole, MSN, RN, OCNS Senior Clinical Consultant

Last update: April 23, 2026

Author of previous version: Nancy Hepp, MS

Side effects and adverse reactions

Serious and even life-threatening side effects have been reported among people following the Gerson regimen:1Questionable methods of cancer management: ‘nutritional’ therapies. CA: A Cancer Journal for Clinicians. 1993 Sep-Oct;43(5):309-19.

  • Sepsis
  • Coma due to low serum sodium
  • Serious infections and deaths from electrolyte imbalance

Common side effects:2Hesse CC. Gerson Primer. Tijuana, Mexico. Curtis C. Hesse. 1982, as described in Questionable methods of cancer management: ‘nutritional’ therapies. CA: A Cancer Journal for Clinicians. 1993 Sep-Oct;43(5):309-19.

  • Flu-like feelings
  • Loss of appetite
  • Perspiration with strong odor
  • Weakness
  • Dizziness
  • Cold sores
  • Fever blisters
  • Nutritional imbalances3Block K, Gyllenhaal C. Chapter 6: Nutritional Interventions in Cancer. In Abrams, DI, Weil, AT. Integrative Oncology. 2nd Edition. New York, NY: Oxford University Press. 2014. p. 144; McKinney N. Naturopathic Oncology, 3rd Edition. Victoria, BC, Canada: Liaison Press. 2016. p. 110.

Drug interactions 

There are no known drug interactions with this therapy. 

← Back to the full Gerson Regimen therapy guide

References[+]