
Diane Wendell, CN
Pioneering Clinical Nutritionist | Wellness Speaker | Holistic Health Consultant
With over 40 years of experience in Clinical Nutrition, Diane Wendell is a trusted leader in holistic health and whole-body wellness—known for her clinical insight, and commitment to root-cause healing. Certified through the American Academy of Nutrition and trained in Naturopathy at the College of Natural Health in Tulsa, Diane brings together deep clinical expertise and a compassionate, personalized approach to care.
Diane’s journey began in a small office and grew into one of the largest and most respected nutritional practices in Orange County. Her work has touched thousands of lives—locally and globally—transforming health through personalized nutrition protocols, functional assessments, holistic strategies tailored to each person’s unique needs, and a commitment to addressing root causes of chronic conditions
At RevCore Wellness, Diane offers in-person or phone nutritional consultations by appointment, focusing on uncovering the root causes of health concerns—from digestive imbalances and hormonal shifts to energy, mood, and metabolic challenges. Her methods integrate modern nutrition science with time-honored holistic assessments, including tongue, nail, and eye analysis, as well as insights from functional testing and live blood cell microscopy.
Diane’s work is guided by a simple but powerful mission: to offer not just help, but hope—especially in today’s fast-paced, toxic world where true healing is often overlooked. Her clients value her integrity, experience, and the depth of care she brings to every appointment.
Now Accepting Clients for In-Person Nutritional Consultations
If you’re seeking personalized, root-cause–oriented guidance to improve your health, Diane is currently accepting new clients by appointment. Whether you’re dealing with chronic symptoms, digestive issues, fatigue, or hormonal imbalances, Diane offers a thoughtful, individualized path forward.
Call Us at 949.505.5152 for more information or to book your appointment, we are located in Rancho Santa Margarita, California.

