Phone:  949-443-5442

Fax:  949-443-5463

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    Orange County Nutrition CounselingOrange County Nutritionist

    Sports Nutritionist Melissa MathesMy name is Melissa A. Mathes, I am an expert in sports nutrition counseling and medical nutrition therapy. I have counseled athletes and patients with medical nutrition therapy needs for the last 15 years. My accomplishments include; published articles in the local OC Parents magazine, and a monthly nutrition article for Laguna Orthopedic Rehabilitation clinic, a local cycling and triathlon club as well as WeROCK (running group for adolescents) and GoForward Racing a local race series in South Orange County.

    I have authored a weight management section for athletes in my professional association's peer online resource called, Sports Nutrition Care Manual for registered dietitian professionals (RD's), through the Academy of Nutrition and Dietetics, formerly the American Dietetic Association. I present sports nutrition information to many different athletic groups and teams in the South Orange county area.

    My educational background entails; a Master degree in Public Health (2010) from Loma Linda University, a Certification Specialization in Sports Dietetics (CSSD) in June 2010. I received my bachelors of science in nutritional science from Cal Poly San Luis Obispo (1995) and interned at University of Nevada Reno with an RD in 1997. The CSSD certification I hold is highly regarded by the United States Olympic Committee and the National Collegiate Athletic Association. There are 3,800 active RD's in California, 40 have attained this certification (2012 stats). Additionally, I have a level II certificate in Obesity and Weight Management.

    I specialize in sports nutrition for all ages and sport, in conjunction with medical nutrition therapy counseling, including; weight loss, weight gain, pediatrics-geriatrics (stage of life nutrition), food preferences (vegan, gluten free, etc.) and diseases like: cardiovascular, diabetes, gastrointestinal (e.g., Crohn's disease, Colitis, Celiac), renal, liver, neurological disorders (e.g., multiple scoliosis, Parkinson's), immunological conditions, (e.g., Lupus, HIV/AIDS, rheumatoid arthritis).


    I am a member of several dietetic practice groups, including: Sports, Cardiovascular and Wellness Nutrition (SCAN), Pediatric Nutrition, Weight Management, Dietitians in Integrative Functional Medicine, Health and Environmental Nutrition and Nutrition Entrepreneurs group. Locally I, participate in the Orange County District Dietetic Association, and the California Dietetic Association.


    When I am not working, I can be found spending time with my husband, three children and adorable dog. My favorite athletic hobbies are; endurance trail running/racing and surfing.


    Melissa A. Mathes, MPH, RD, CSSD
    Masters of Public Health
    Registered Dietitian
    Board Certified Specialist in Sports Dietetics Certification in Obesity and Weight Management Level II


    Laguna Orthopedic Rehabilitation (LOR)
    31341 Niguel Rd. Suite G
    Laguna Niguel, CA 92677
    (949) 322-7082