Welcome to Quinn-Essential Nutrition

The Uncomplicated Science of Eating

When it comes to nutrition, everyone seems to have an opinion. But guess what? Nutrition is a science. And the best advice is based on evidence from valid research. 

Let Quinn-Essentai Nutrition be your trustworthy source for sane and reliable nutrition information. 

You'll find common sense answers in the same style as Quinn's internationally distributed column, QUINN ON NUTRITION. Check it out at www.montereyherald.com. 

Let Quinn-Essential Nutrition be your go-to, no-nonense reference on more than 100 nutrition topics. 

Dig in!

Barbara Quinn, MS, RDN, CDE, LMNT

Barbara Quinn is a registered dietitian nutritionist, certified diabetes educator and licensed medical nutrition therapist with more than 30 years experience in nutrition and wellness.

Quinn's column, QUINN ON NUTRITION, appears weekly in the Monterey (CA) Herald and is distributed to more than 600 media outlets worldwide. 

In addition to Quinn-Essential Nutrition, Quinn's work also includes The Diabetes DTOUR Diet and The Diabetes DTOUR Diet Cookbook.


Quinn earned a bachelor of science degree in dietetics from New Mexico State University and a Master of Science degree in Food Science and Nutrition from Colorado State University. 


Originally from New Mexico,  Quinn spent the bulk of her career as a clinical dietitian at the Community Hospital of the Monterey Peninsula where she remains affiliated. She currently lives in Alliance, Nebraska and works with patients at Box Butte General Hospital. 

Book Orders or Questions

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Signed copies of my book will be mailed to you within 48 hours after payment is received. 

And while this site cannot legally provide individual nutrition therapy for your specific medical condition, I am happy to answer general questions. Many  questions warrant inclusion in my weekly column--with your permission of course!

Quinn-Essential Nutrition

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QUINN-ESSENTIAL NUTRITION: The Uncomplicated Science of Eating


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