Description
Registered Dietitian California – Ally Rosen, MS, RD, RDN
Registered dietitian California specialist Ally Rosen, MS, RD, RDN, blends clinical nutrition expertise with a holistic, sustainable approach. She works with clients facing challenges like eating disorders, disordered eating, sports performance, weight loss, diabetes, PCOS, and thyroid disorders — empowering them to make peace with food and build lasting habits.
Meet Ally – A Registered Dietitian in California Supporting Real-Life Wellness
Ally earned her Bachelor’s degree in Nutritional Science from the University of California, Berkeley, followed by a Master’s degree in Clinical Nutrition from NYU. She’s also a Certified Personal Trainer, bringing a whole-body wellness perspective to her clients’ care.
Her experience spans years of outpatient nutrition counselling, helping diverse individuals heal relationships with food, manage chronic health conditions, and optimize performance.
Areas of Expertise:
As a registered dietitian in California, Ally specializes in:
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Eating Disorders & Disordered Eating
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Sports & Performance Nutrition
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PCOS & Thyroid Health
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Weight Loss without Fad Diets
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Blood Sugar & Diabetes Management
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Women’s Health & Hormonal Nutrition
Her Philosophy: No Fads. No Food Rules. Just Personalized Nutrition.
Ally believes that food should never be feared — it should be understood. Her clients benefit from a judgment-free approach that honours cultural, emotional, and physical connections to food.
“I don’t put you on a diet. I help you build a lifestyle.”
In your initial session, expect to talk through your goals, lifestyle, health history, relationship with food, and more. From there, Ally develops a plan that fits you and supports you long after your work together is done.
Credentials & Licensure
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B.S. in Nutritional Science – UC Berkeley
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M.S. in Clinical Nutrition – NYU
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Registered Dietitian Nutritionist (RDN) – Certified by the Commission on Dietetics Registration (CDR)
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Certified Personal Trainer
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Eligible to provide virtual care to California clients (no state license required)
