Registered Dietitian Nutritionists and Dietitians in Suffolk County, NY

Do you want to focus on personal goals to achieve a healthy lifestyle for you and your family? We all know that it's not just BLACK OR WHITE! It takes time. I can help you, Age-appropriate Medical Nutrition Therapy counseling for health issues as diabetes, weight management,, mindful eating, hypertension, digestive disorders, eating disorders, food allergies, MTHFR Gene Mutation Diet, FODMAP diet and food sensitivity issues. I have a certificate of training in Childhood and Adolescent Weight Management by the Academy of Nutrition and Dietetics.

Awarded Huntington Best Nutritionist 2019 and 2020, I have been helping clients achieve nutrition & fitness goals since 1993 as a personal trainer, then after graduating NYU with an M.S. in Clinical Nutrition, Registered Dietitian Nutritionist, NY state Certified Dietitian Nutritionist, Fellow of the Academy of Nutrition & Dietetics. Adjunct Faculty at NYIT & Supervisor at Mount Sinai outpatient clinic since 1999: pediatrics, adolescents, & adults with eating disorders, heart disease, diabetes, cancer, obesity, HTN, metabolic syndrome, & more. Food intolerance and nutrition genomics testing available.

In this ever changing world of nutrition, I enjoy helping patients decipher the many myths and fads related to a healthy diet. As a Registered Dietitian, Certified Nutritionist, and Certified Diabetes Educator, I am passionate about helping others feel better and live healthier lives. I enjoy staying up to date with current nutritional science and research, and apply this information into a realistic, simple approach to everyday life. I have contributed to health/fitness related articles, including Wellness magazine and Better Homes & Gardines magazine.

Do you struggle with losing stubborn weight? Let us guess. You’ve tried numerous diets, calorie counting, cleanses, and meal replacements and although they may help at first, ultimately they all just lead you back to where you started. Do you feel that even when you’re trying to be “good” the scale just seems to reflect otherwise? If this all sounds familiar you are not alone and we are here to help you. It’s NOT you we promise. It’s the vicious cycle of dieting that is exhausting, discouraging, and frankly outdated. This is why at our practice we take a different approach to weight loss, one that’s evidence based AND sustainable.

Is this you? You're interested in nutrition for active individuals but you're tired of trying new diets & counting calories. You want to optimize athletic performance while also healing your relationship with food & body image. You’re ready to let go of dieting & finally feel good in your body. As a Registered Dietitian, Adjunct Professor at NYU & Board Certified Specialist in Sports Nutrition (& former fitness coach, over-exerciser, & perfectionist), I understand the fine line between ‘healthy’ & ‘obsessed’. I understand wanting to feel confident & comfortable in your own body without having to obsess about food all of the time.

I am a non-diet Registered Dietitian and a gut health expert practicing from a weight-inclusive approach. I help my clients find relief from digestive disorders such as Irritable Bowel Disease (IBS), Small Intestinal Bacterial Overgrowth (SIBO), Gastroparesis, Colitis, and GERD. I have also designed techniques and programs to empower chronic dieters, disordered eaters, and those in eating disorder recovery to mend their relationship with food and their bodies. My goal is to empower you to choose dietary interventions for the pursuit of health and wellness instead of using diets to manipulate your body for thinness.

PCOS / Endometriosis / Fertility / Pregnancy / Prenatal / Postpartum / Women's Health / Chef. Are you curious about your hormone or fertility health? Does it seem to not be flourishing? Wherever you are on your health journey, whether you are just about to balance your hormones, or starting to try to get pregnant — naturally or you have been through cycles of IVF, whether you are addressing your PCOS diagnosis or managing other fertility-related conditions, gut health, or you simply just want to improve your general well-being.

Barbara Lewin is an internationally recognized sports nutritionist, registered dietitian and functional dietitian. She is the owner of sports-nutritionist.com. Barbara works with serious athletes, including Olympic contenders, triathletes, members of the NFL, NHL and NBA and all types of endurance and ultra-endurance racing. For over 25 years she has been teaching athletes effective and realistic ways to improve their health, optimize performance and successfully manage their weight. She also enjoys working with young athletes, teaching them how to improve their health and performance and get an edge on the competition.

My ideal client is an individual that wants to partner with me to set goals and accomplish them together! Whether you want eat healthier, lose weight, tackle a medical issue or a combination of all of them, my job is to put my client at ease and guide them to success. I value the relationships and bonds that are create between me and my clients. Food is a very intimate, cultural, personal issue; and in many ways ends up encompassing almost areas of lives. I thrive off of the trust that my clients and I build together and our ultimate victories, both large and small.

The Registered Dietitians at Nutrition in Motion share a philosophy of using food to fuel, nourish and strengthen one's body. We treat each patient as an individual in order to collaboratively create a plan to reach the individual's goals. We believe in the use of behavior modification in conjunction with nutrition counseling, rather than attempting to follow an unsustainable diet. This helps clients make more attainable and enduring lifestyle changes. All foods can have a place as a part of a healthy lifestyle, and we are here to help you make them fit.

Are you ready to stop stressing and obsessing over food, weight, and exercise? Weight-inclusive Registered Dietitian Maria Seitz can guide you in cultivating a positive relationship with food. Maria has experience working with people with eating disorders and athletes of all levels- from professional sports teams to the recreational runner and strength trainer. Maria is an expert in both disordered eating and sports nutrition who can help you apply the most up to date evidence based recommendations to your life.

Do you have IBS? How about unpredictable bathroom habits, bloating, or indigestion? If you would like to take a natural approach to feeling better, I can help.

My educational approach allows patients to obtain sound nutrition advice while focusing on individual needs and concerns. I provide a supportive therapeutic atmosphere to help implement healthy lifestyle choices. I work with individuals and families who wish to optimize physical energy, increase mental clarity, strengthen immunity, reduce cravings, improve digestion and fat burning, overcome mood swings, eliminate anxiety over food and body issues. I help clients achieve and maintain their health goals.

Diabetes, heart disease, metabolic syndrome, hypertension, overweight, obesity, IBS, and even stress, anxiety, and depression can respond well to nutrition therapy. Create a solid foundation upon which you can thrive when you make nutrition part of your lifestyle. By focusing on food quality, meal timing, balanced meals, and mindful eating, you can experience better health without going crazy counting calories. We take an integrative and functional approach to labs and testing to optimize results.

The client that I work with is tired of being disconnected from their body. They want to heal what is holding them back and are willing to do the inner work. This client understands the body, mind, energy connection and desires for all to be well and is ready to journey to wellness.

I specialize in weight loss and transformation, helping people to boost their metabolism, increase energy, improve sleep, increase confidence, and look and feel better. I also have 16+ years of experience working with diabetes, prediabetes, PCOS, high cholesterol, high blood pressure, fitness/sports nutrition, GI disorders, and more. I individualize meal plans and programs to fit your lifestyle and preferences and get you the results you are looking for. I use tools like metabolic testing and body fat testing to gain further insights into your unique physiology to individualize your program and goals.

Do you have diabetes, inflammation, or digestive problems? If you are ready to regain your health and feel better, I can help you. We will work together to develop the best nutrition plan for you and implement it to fit your lifestyle. Are you ready feel great and enjoy better health? Call me at 631/364-0366 to schedule an appointment.

I utilize a non-diet approach to help individuals achieve their goals, heal their relationship with food, and break the cycle of dieting. I specialize in eating disorders, disordered eating, and intuitive eating. I also specialize in digestive health and I work with clients to manage digestion/inflammation without unnecessary food restriction.

Offering convenient and wait-free virtual based nutrition counseling. Together we can make a plan to make and maintain change. I'd love to be a part of your health journey!