About B

Brooke Alpert, M.S., R.D., C.D.N.

Founder of B Nutritious

Brooke AlpertBrooke Alpert, M.S., R.D., C.D.N., is a nationally recognized nutrition expert and author. She is the founder of B Nutritious,, and works with a variety of clients to meet their nutritional goals while working within their lifestyle. With a focus on meeting the demands of a busy schedule, Brooke teaches clients how to eat within their needs without feeling deprived. An individualized and customized approach is taken with each client to create an eating lifestyle that is tailored to his or her specific needs.

Brooke’s expertise and nutrition knowledge has lead her to be featured on national television regularly including, The Doctor Oz Show, The Today Show, Access Hollywood and more. She was named one of the new up and coming stars in the beauty and health field in W Magazine and has been quoted and featured extensively in both national and international magazines including People, Shape, Glamour, Town & Country, Tatler and more.

Brooke is also a nutrition consultant and her clients range from an international hotel chain, beauty companies including Nivea, private schools, national chain gyms, corporate accounts and renowned weight loss programs.

Brooke received her Masters of Science at New York University and completed her training at Mt. Sinai Hospital in affiliation with NYU. She is a member of the Academy of Nutrition and Dietetics, the Greater New York Dietetic Association, Weight Management Group, Women’s Health Group, Integrative and Function Medicine Group as well as the Sports, Cardiovascular and Wellness Nutrition Group.

Brooke’s second book, The Sugar Detox: Lose Weight, Feel Great and Look Years Younger (Da Capo) came out in June 2013. Her first book, Healthy Eating During Pregnancy (Kyle Books) was out in 2011.

Brooke, a former equestrian is also a tri-athlete. She resides in New York City with her husband and their two daughters.




Brigitte Zeitlin, M.P.H., R.D., C.D.N.


Brigitte Zeitlin, R.D., C.D.N.Through her love of food and passion for helping others, Brigitte empowers her clients to achieve their nutrition and lifestyle goals while enjoying every single bite. Her enthusiasm and dedication to the health and nutrition field is evident through her client's success. She has a passion for supporting and motivating people to live healthier lives and is devoted to the overall health and wellbeing of all her clients.

Brigitte is experienced working in both clinical and private settings, counseling and educating clients with a variety of nutrition-related needs; including cardiovascular, cancer, diabetes, kidney disease, pre & post natal, overall health, and weight loss/weight maintenance. Prior to counseling clients at B Nutritious, Brigitte was a clinical dietitian at NewYork-Presbyterian/Lower Manhattan Hospital and Mount Sinai Medical Center, where she focused on GI related nutritional issues, such as Ulcerative Colitis, Crohn's disease, and Celiac's disease. Brigitte completed her dietetic internship at Loyola University Chicago and earned her Masters Degree in Public Health Nutrition at Hunter College. In addition to being a Registered Dietitian and Certified Dietitian-Nutritionist, Brigitte is a member of the Academy of Nutrition and Dietetics, the New York State Dietetic Association, and the New York City Nutrition Education Network.

Brigitte lives in Greenwich Village. When she is not working with clients she is exploring the different neighborhoods of NYC, trying new restaurants with her girlfriends, and spinning off her chocolate addiction at Flywheel.


Andrew James Pierce, R.D., C.S.C.S.


Brigitte Zeitlin, R.D., C.D.N.Andrew serves as our sports nutrition specialist here at B Nutritious, counseling all types of athletes from professional and collegiate to recreational and weekend warriors. He is passionate about fueling for performance as well as health.

In addition to his role at B Nutritious, Andrew is also the resident sports dietitian for the Columbia University and New York University athletic departments, where he is responsible for providing nutrition education and guidance to collegiate athletes in all sports.

Andrew is both a Registered Dietitian (RD) and a Certified Strength & Conditioning Specialist (CSCS) with experience as a group fitness instructor and personal trainer. He received his undergraduate degree in Exercise and Sport Science from the University of Utah and is currently a Master's Candidate in Nutrition and Dietetics at NYU.

Andrew's professional associations include the Collegiate and Professional Sports Dietitians Association (CPSDA), Sports Cardiovascular and Wellness Nutrition (SCAN), and the National Strength and Conditioning Association (NSCA).

Andrew's two favorite activities are eating and working out – making his job a perfect fit! He enjoys circuit training, running and biking in Central Park and has completed four marathons.


Sign up for the
B Nutritious e-newsletter

Want to B Nutritious? Call 646-943-0755 to make an appointment.