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Boston Functional Nutrition was born out of a desire to bring truly individualized nutrition services that expertly blend holistic mind-body medicine with science-based functional medicine. As registered dietitians, you can feel confident that we have the training and credentials to safely and accurately assess your nutrition needs and design a plan that is evidence-based. But we also believe that health and healing is a journey that requires a holistic approach. We are so much more than our food choices!

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Ayla Withee-1929-webresAyla Barmmer, MS, RD, LDN, CLT: Professional Bio:

Ayla Barmmer (formerly Withee) is a Registered Dietitian Nutritionist, CEO and owner of Boston Functional Nutrition, an integrative and functional nutrition practice based in Concord, MA. Her practice is known for its “big picture” approach, which starts with a thorough whole-person assessment and uses cutting edge research to help individuals create effective, meaningful change even with the most complex of cases. Ayla’s primary specialty is women’s health, with a special emphasis on fertility nutrition. She believes that simple, tailored diet and lifestyle interventions can help women achieve healthy pregnancies.
Ayla received her BS in Dietetics and completed her dietetic internship through the University of Connecticut and earned a Master of Science in Health Communications from Boston University. The combination of these degrees enables her to effectively meet her clients where they’re at so they can implement recommended nutrition and lifestyle strategies with ease. She is also a highly sought after speaker and resource on topics such as nutrition for fertility, pregnancy, immune health, and gastrointestinal issues, for publications and organizations such as Boston Magazine, Tufts Medical Center, Shape, and is the co-host of Real Food Radio, which relays practical information about how to support your health naturally and live a life you love.
In addition to her nutrition work, Ayla is also a mom to a son (who just turned 1!) and enjoys biking and hiking with him and her husband. You can learn more about Ayla at BostonFunctionalNutrition.com or join the private Facebook community, Nourish Your Fertility, for further education, resources and support to achieve a healthy pregnancy.

Linked inBridgitte Carroll, MS, RDN, LDN Professional Bio:

Bridgitte is a Registered Dietitian Nutritionist with a MS in Nutrition and advanced training in integrative and functional medicine. She is experienced and passionate about helping individuals improve their health and well-being with her unique approach. Her specialties include weight management, pre-diabetes/diabetes and gastrointestinal issues. She truly enjoys connecting with her patients and engaging in a conversation about their health. Through creating this relationship, she is able to personalize diet changes and many other lifestyle modifications.

During her dietetic internship with Simmons College, she interned at Boston Functional Nutrition and at Dr. Mark Hyman’s Ultra Wellness Center in Lenox, MA. These experiences, that evaluated the underlying cause of illness, helped her realize the importance of these nutrition and health approaches in helping patients reach their optimal health. By practicing what she preaches, she is able to provide delicious food options that are practical to implement.


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