Cosme Rubalcaba, RD

4.5
(36)
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In-person
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Background

I’m Cosme Rubalcaba, a Registered Dietitian Nutritionist (RDN, LD) with dual master’s degrees in Dietetics and Health Sciences. Over the years, I’ve worked everywhere from hospitals and critical care units to community health programs—helping people of all ages improve their nutrition, manage health conditions, and reach their goals. This wide range of experience allows me to offer a unique blend of science-based expertise and real-world strategies that fit into everyday life.

My philosophy is simple: when it comes to our diets, we should never feel overwhelmed or uncertain when trying to make good conscious decisions. I don’t believe in fad diets or one-size-fits-all approaches. Instead, I create personalized approaches tailored to each client’s needs, lifestyle, and goals—whether that means weight management, increasing muscle mass, navigating through serious medical conditions, or simply learning how to eat in a way that feels good and sustainable.

Outside of my professional work, I’m passionate about wellness, fitness, and living a plant-based lifestyle. I know firsthand how busy life can get, which is why I focus on making nutrition realistic, approachable, and doable for anyone. My clients can expect encouragement, accountability, and a true partner on their journey to better health.

At the end of the day, my drive comes from seeing lives change. Helping someone feel stronger, healthier, and more confident is what motivates me every single day—and I’m excited to help you take that next step forward.

Availability

Approach

"No gimmicks. No fads. Just science-based nutrition made simple—and built for YOU. I help clients achieve real, lasting results by combining advanced clinical expertise with a compassionate, personalized approach. As a Dietitian with dual master’s degrees, leadership in hospital nutrition, and experience across critical care, pediatrics, bariatrics, and community health, I bridge science with practical strategies and turn confusing nutrition advice into clear, customized ways that actually work."

Specialties

Weight Loss
Diabetes
High Cholesterol
High Blood Pressure
Vegan & Vegetarian
Pregnancy & Postpartum
IBS
Kidney Disease
Pediatrics
Colitis
Crohn's Disease
Celiac
IBD
GERD
Sports Nutrition
Bariatric
Cancer / Oncology
Gut Health
General Nutrition

Modalities

🥦
Meal Planning
📊
Accountability
💬
Motivational Interviewing

Insurance accepted

Aetna, Cigna, Golden Rule, Optum, Oxford, Select Health, United Healthcare, United Medical Resources (UMR)

Seeing clients in

AK, AZ, CA, CO, CT, HI, ID, IN, MA, MI, NH, NJ, NY, OK, OR, PA, TX, UT, VT, VA, WA, WV, WI, WY

Location

670 Van Eaton Ave, Raymondville, TX 78580
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Reviews
4.5
36 Reviews
(36)
5
(273)
4
(27)
3
(27)
2
(27)
1
(4)
AI summary of written reviews

Clients consistently describe Jane as warm, knowledgeable, and easy to talk to. Many highlight noticeable improvements in their eating habits, energy, and confidence after just a few weeks of working with her.

While a handful of clients hoped for more structured follow‑up, the vast majority praise her for setting realistic goals and explaining nutrition in a way that finally “clicks.”

Overall, Jane is highly recommended for anyone looking for thoughtful, supportive guidance.

6 clients left publicly written reviews
2 days ago

Jane completely changed how I think about food. She’s patient, knowledgeable, and explains things in a way that actually makes sense.

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