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
The 7 Best Fiber Supplements Dietitians Actually Recommend
Build a better routine with fiber picks that support digestion and fullness.
21 Pasta Ideas with an Added Protein Boost
Love pasta? These recipes add at least 20 grams of protein to give carbs more staying power, making comfort food feel a little smarter.
10 Best Creatine Supplements, According to Dietitians
These top brands can help improve your workout and brain fog.
25 High-Protein Low-Carb Foods That Keep You Full for Hours
Our registered dietitian shares her top picks for foods that can keep you full for longer.
Dietitians Share 9 Joint Supplements That May Help Ease Pain and Stiffness
We break down what works, what doesn’t, and how to choose wisely.
This Magnesium-Rich Vegetable Could Help With Stress Relief
Plus, nine more foods that are packed with health benefits.
This Low-Sodium, High-Protein Snack Might Be the Cottage Cheese Upgrade You Need
Farmer’s cheese is versatile and full of nutrients, say dietitians.
I’m a Dietitian—These Are the 10 Snacks You’ll Always Find in My Kitchen
The low-effort snacks that keep me (and my kids) happy and fueled all day.
Research Shows Adding This Type of Oil to Your Diet Can Help Keep Your Brain Healthy
Luckily, it's delicious.
What Milk Thistle Can (and Can’t) Do for Your Health
Experts weigh in on the hangover myth. Plus, more on the science, safety, and smarter ways to support your liver.
Cabbage Is Having a Moment, But Is It Actually Healthy for You?
This cruciferous vegetable is packed with nutrients.