Rachel Lustgarten, M.S., R.D., C.D.N.
Rachel Lustgarten (she/her), M.S., R.D., C.D.N., is a registered dietitian in clinical practice in New York City. Her primary area of focus is medical nutrition therapy and weight control. Rachel’s passion is sharing her knowledge and expertise of food and nutrition’s role in overall health and wellness. She co-hosts the weekly “Primary Care Medicine” show on SiriusXM Doctor Radio, interviewing expert guests and fielding listener calls and questions about hot topics in health and nutrition. She served as a clinical dietitian at the Comprehensive Weight Control Center at Weill Cornell Medicine and served as an Advisor to the Weill Cornell’s Women’s Nutrition Connection monthly newsletter for 10 years. Rachel received a Master’s degree in Clinical Nutrition from New York University, graduating with honors.
- Topic Specialties
Latest from Rachel Lustgarten, M.S., R.D., C.D.N.
The Easiest Way to Reset Your Kitchen for the New Year, According to Nutritionists
Kick off 2026 with a fresh, organized food stash–it’ll be great for your health AND your wallet.

11 Surprising Foods That Will Help Strengthen Your Bones
These foods are rich in protein, vitamins, and minerals that help build bones and protect them against bone-related diseases.

11 Best Hydrating Drinks That Aren’t Plain Water, According to Dietitians
Refresh your beverage rotation with these flavorful thirst quenchers.

5 Things You Should Never Mix With Protein Powder, According to Dietitians
Plus, ingredients that could boost your drink.
10 High-Fiber Fruits to Add to Your Plate
They're filled with plenty of nutrients and they taste great.
Does Drinking Pickle Juice Actually Help With Cramps? Here's What Science Says
Turns out, it's worth trying.

I Tried 6 Magic Spoon Cereal Flavors — Here’s What I Loved (and Didn’t)
Here’s how Magic Spoon stacks up across nutrition, flavor and more.

9 Best Melatonin Supplements of 2024, According to Registered Dietitians
Plus, medical professionals explain the health benefits and side effects of melatonin.

9 Best Supplements to Fight Inflammation
Food always comes first, but these supplements may help you fill in the gaps.

7 Best B12 Supplements, According to Registered Dietitians
Our experts rounded up the best B12 supplements for absorption.