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
7 Best B12 Supplements, According to Registered Dietitians
Our experts rounded up the best B12 supplements for absorption.
10 Best Iced Tea Brands That Actually Taste Great
Our food, beverage and nutrition experts share their top iced tea recommendations.
7 Healthy Oils to Cook With, According to Nutritionists
Plus, five that you should avoid using with high heat.
Is Popcorn Keto-Friendly? How to Enjoy the Snack on a Low-Carb Diet
Nutritionists aren't big fans of the keto diet, but if you're going to follow it, keep these suggestions in mind.
NAC (N-Acetyl Cysteine) Supplement: Benefits, Side Effects, Uses & Recommendations
Our registered dietitians answer all of your questions on N-Acetyl Cysteine.
15 Best Natural Diuretic Foods and Drinks, According to Nutritionists
They will relieve bloating after a salty meal or from monthly hormonal fluctuations, edema, high blood pressure or other conditions with chronic water retention.
7 Best Organic Baby Formula Brands, According to Dietitians and Parents
Our experts share the best organic options on the shelf, including European-style baby formula.
8 Best Foam Rollers, According to Fitness Experts
Our top tested foam rollers can help transform your workout recovery.
The Best Yoga Mats of 2024, Tested by Experts
Top-tested mats for every skill level, thickness preference and material.
The Right Calculation for How Much Water You Need to Drink in a Day
Is eight cups a day really enough for men and women?
The Best Shaker Bottles You Can Buy, Tested by Experts
Keep your protein drinks fresh, cold and, most importantly, well-blended.