Skip to Content
Stefani Sassos, M.S., R.D.N., NASM-CPT photo

Stefani Sassos, M.S., R.D.N., NASM-CPT

Nutrition & Fitness Lab Director

Stefani (she/her) is a registered dietitian, a NASM-certified personal trainer and the director of the Good Housekeeping Institute Nutrition and Fitness Lab, where she oversees all nutrition and fitness-related content, testing and evaluation. She holds a master’s degree in clinical nutrition from New York University, as well as advanced certifications as a Women's Fitness Specialist and a Behavior Change Specialist. Stefani is dedicated to providing readers with evidence-based content to encourage informed food choices and healthy living. She is an avid CrossFitter and a passionate home cook who loves spending time with her big fit Greek family.

Connect

Latest from Stefani Sassos, M.S., R.D.N., NASM-CPT

high protein breakfast

20 Best Snacks for People with Diabetes, According to Registered Dietitians

These snack recipes are sure to keep blood sugar levels at bay.

imperfect foods box of groceries on a blue background

Imperfect Foods Review: Is the Food Delivery Service Worth It?

The service just merged with Misfits Market and delivers sustainable groceries straight to your door.

young woman training in the gym on a weight bench

8 Best Weight Benches, According to Fitness Pros

These durable choices include adjustable weight bench options for your home gym.

prenatal vitamins

10 Best Prenatal Vitamins, According to Registered Dietitians

Hate pills? We've got picks in gummy and liquid form.

peloton guide

Is the Peloton Guide Worth It? We Tried It for Over Three Months to Find Out

The AI-powered fitness technology counts your reps and so much more.

supplements for anxiety

8 Best Supplements for Anxiety, According to Registered Dietitians

These research-backed supplements may help combat anxiety and depression.

box of thrive market groceries on a pink and green background

I Tried Thrive Market for Over a Month. This Is My Honest Review.

The membership-based online health food grocer is taking social media by storm — but is it worth it?

best jump rope

11 Best Jump Ropes for All Workouts and Fitness Levels

Whether you prefer Crossfit or boxing, or are learning double unders.

weightlifting belts

11 Best Weightlifting Belts, According to Athletes and Trainers

We spoke to competitive weightlifting athletes and coaches for their top-tested recommendations.

parenting awards 2023

Good Housekeeping's 2023 Best Parenting Awards

These winners have what it takes to become your new family favorites.

group of female friends drinking wine outside

The Blue Zone 'Diet' Isn't Actually a Diet, It's a Lifestyle

While food plays a big part in promoting longevity, it's not the only factor to consider.

A 7-Day, 1800-Calorie Meal Plan

An Easy 7-Day, 1,800-Calorie Meal Plan

Our nutritionists map out a week's worth of simple recipes for breakfast, lunch, dinner and snacks.

Advertisement - Continue Reading Below