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
I’m a Dietitian—Here’s How to Tell If a Supplement Is Actually High Quality
Don't waste money on supplements that aren't right for you.
The Truth About HelloFresh: Is the Convenience Worth the Cost?
We put the popular meal kit to the test.
Should Teens Eat a High-Protein Breakfast? New Research Suggests It May Improve the Rest of Their Day
Plus, easy protein-rich breakfast ideas for busy mornings.
9 Multivitamins for Men Dietitians Actually Recommend
These options help fill the gaps your diet might miss.
When Is the Best Time to Take Vitamins—Morning or Night?
Experts weigh in on multivitamins, vitamin D, vitamin C and other popular supplements.
10 Best Fish Oil Supplements for Heart and Brain Health, According to Dietitians
Not all fish oil supplements are created equal. These RD-approved picks make it easier to find the right one for you.
The 12 Best Foods to Help Lower Cholesterol Naturally
Prioritizing these foods can protect your heart, research shows.
I’m a Dietitian—Here’s Why I’m Buying Greenhouse-Grown Lettuce Right Now
Yes, you can still have your salad and eat it too.
Is Green Chef Actually Healthy? Here's What I Think After Eating It for 1 Week
A registered dietitian's review of the popular organic meal kit.
7 Popular Foods That Could Be Harming Your Gut
They may taste delicious, but doctors and nutritionists agree you should avoid these foods and beverages if you want to keep your gut happy and healthy.