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.
- Topic Specialties
Latest from Stefani Sassos, M.S., R.D.N., NASM-CPT
10 Healthier, Low-Sugar Candy Swaps to Satisfy Your Sweet Tooth
Our registered dietitians and taste testers found the low-sugar treats worth trying.
20 Easy Breakfast Recipes With at Least 5 Grams of Fiber Per Serving
Overnight oats, sheet pan tacos, and more!
A Huge New Study Links More Ultra-Processed Food to Higher Disease Risk
A dietitian breaks down what the UPF research can (and can’t) tell us.
40 High-Protein Recipes With 20+ Grams of Protein Per Serving
Including cheesesteak-stuffed peppers, meal prep chicken wraps and more!
I’m a Dietitian—This Is the Nutrient-Packed Ingredient I Always Add to Pizza
It’s packed with antioxidants, healthy fats, and plenty of flavor.
The Best Time to Take Your Zinc Supplements, According to a Nutrition Expert
This mineral supports your immune function.
7 Surprising Health Benefits of Prunes, According to Nutrition Experts
These fruits are high in fiber and essential vitamins.
The Healthiest Vegetables to Add to Your Grocery List, According to Dietitians
These versatile veggies offer a ton of health benefits.
The Best Time to Take Your Probiotics, According to a Doctor
Consistency matters most, but there is an optimal time.
Your Simple 7-Day, 1,200-Calorie Diet Meal Plan
Use this seven-day plan as a starting point for creating balanced, nourishing meals, with plenty of flexibility to make it work for you.
I’ve Tried So Many Chore Charts—This Is the First One My Daughter Actually Uses
And I really can’t believe it worked for us.
The 10 Healthiest Energy Drinks, According to Nutritionists
Skip the sugar overload and caffeine crash. These energy drinks deliver a smarter kind of buzz.