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
From Crunchy to Savory: Top Nuts and Seeds Revealed
Snack smarter with the top nuts and seeds of the year, handpicked by the experts and testers of Good Housekeeping's 2025 Best Snack Awards for their crunch, flavor and stellar ingredient lists.
From Creamy to Zesty: Top Dips and Spreads of the Year
Explore the best dips and spreads from Good Housekeeping’s 2025 Best Snack Awards! From creamy hummus to bold, zesty spreads, these winners are perfect for pairing with your favorite chips and veggie sticks.
Award-Winning Granolas and Cereals Perfect for Every Bowl
Snack smarter with the best granolas and cereals of the year, handpicked by judges and testers in our annual Snack Awards for their flavor, crunch and wholesome ingredients.
Need More Fiber in Your Diet? Health Experts Say the Viral "Fibermaxxing" Trend Can Help
One thing to remember: Moderation is key.
A Dietitian's Week on Sakara: What’s Great, What’s Missing and What You Should Know
Is this bougie meal delivery service worth the steep $400-per-week price tag?
21 Healthiest Sauces and Condiments to Keep in Your Pantry
From marinara to BBQ, we've rounded up the best picks.
Hoda Kotb Debuts New Wellness App for Everyday Self-Care
She says that breathwork is what started her wellness journey.
The Best 7-Day Mediterranean Diet Meal Plan for Beginners
We're sharing a complete guide and food list to kick-start your healthy eating goals.
Tonal 2 Review: A Personal Trainer's Take on the Smart Home Gym
Is the Tonal 2 worth the cost? GH's Fitness Director tested it for three months and shares her in-depth review of the smart gym’s features and value.
Do Bala Bangles Live up to the Hype? A Trainer's Perspective
I tried Bala Bangles to see if they’re more than just a trendy accessory. Here’s what I discovered about their actual impact on my workouts.
How Fresh Are Wildgrain's Bread and Baked Goods? A Dietitian and Mom Shares Her Review
As an avid home cook juggling family meals, I tried Wildgrain’s subscription box — here’s how it stacks up for freshness and flavor.