Scientific Advisor

Natalie Ledesma

Board-Certified Oncology Nutritionist27+ Years Clinical PracticeFounding UCSF Cancer Center DietitianCo-editor, Oncology Nutrition for Clinical Practice

Clinical Nutrition Specialist, Smith Integrative Oncology · Founding UCSF Cancer Center Dietitian

Natalie Ledesma is one of the most experienced integrative oncology dietitians in the U.S. With 27+ years in clinical practice and the founding dietitian role at the UCSF Helen Diller Family Comprehensive Cancer Center nutrition program, she translates the latest microbiome, gut-health, and survivorship science into bedside protocols — and into the books clinicians use to do the same.

Verified by

Personal Site UCSF Cancer Center Profile Publications LinkedIn Radiant Women's Health

27+

Years in clinical practice as RDN

4

Board / specialty certifications (RDN · CSO · CLT · MS)

7+

Major media features (NYT · NBC · Fortune…)

1

Co-editor of Oncology Nutrition for Clinical Practice

Credentials, research, and the work behind the science.

Current Primary Positions

Founder, Natalie Ledesma Integrative & Functional Nutrition Consulting
Clinical Nutrition Specialist, Smith Integrative Oncology (San Francisco)
Founding Dietitian, UCSF Helen Diller Family Comprehensive Cancer Center nutrition program
Integrative & Functional Dietitian, Radiant Women's Health
Consultant & Speaker, Kate Farms and Digestive Care, Inc.

Academic Titles & Honors

Board-Certified Specialist in Oncology Nutrition (CSO)
Registered Dietitian Nutritionist (RDN)
Certified LEAP Therapist (CLT)
M.S. Nutritional Sciences, San Diego State University (Outstanding Graduate Student)
B.A. Psychology, UC San Diego (Provost Honors)

Main Clinical & Research Focus

Integrative & functional oncology nutrition
Microbiome and gut health for cancer survivorship
Food sensitivity & adverse food reactions
Personalized clinical nutrition for women's health and oncology
Cancer survivorship lifestyle and metabolic interventions

Previous Important Roles

Cooking class instructor and college nutrition instructor
Consultant to integrative oncology and dietitian education programs
Lilly Lecture Bureau Faculty speaker

Major Projects & Influence

27+ years of clinical practice with thousands of oncology and integrative nutrition patients
Featured in The New York Times, NBC, Fortune, Cure magazine, MAMM, Runner's World, and the San Francisco Chronicle
Highly sought-after speaker for clinician-education programs in integrative oncology
Authored an ebook on the microbiome and digestive wellness

Notable Publications

Co-editor and author, Oncology Nutrition for Clinical Practice
Author, Health & Wellness: Living with Prostate Cancer (Prostate Cancer Foundation)
Contributing chapters: Clinical Nutrition for Oncology Patients · Everyone's Guide to Cancer Therapy · Everyone's Guide to Cancer Survivorship · Nutritional Issues in Cancer Care · Supportive Cancer Care

Backed by Science · Reviewed by Natalie

Science you can taste in the bottle.

Shop the Formula