Valerie Agyeman is a registered dietitian specializing in women’s health with over 10 years of experience in clinical nutrition, corporate wellness, and nutrition communications. She contributes to food and supplement testing at the Good Housekeeping Institute Nutrition & Fitness Lab and has covered topics including gut health, vitamin D, and skin health.
Stefani Sassos is the director of the Good Housekeeping Institute Nutrition Lab, where she oversees all nutrition-related content, product testing, and evaluation. She runs and oversees supplement testing and analysis for Good Housekeeping and has previously covered other supplements, including multivitamins and joint supplements.
For this piece, we consulted health and nutrition experts to provide trusted, practical guidance:
Kelly Jones is a board-certified specialist in sports dietetics and the owner of KJN and Student Athlete Nutrition. She is a nationally recognized nutrition expert, former associate professor of nutrition and exercise physiology, and a media contributor featured in outlets such as U.S. News & World Report, Runner’s World, Men’s Health, and Women’s Health. Kelly consults with sports organizations and global brands, including Major League Baseball and Google, and develops evidence-based nutrition programs for athletes, professionals, and active families.
Gianna Masi, RDN, CISSN, CPT, is a registered dietitian nutritionist specializing in sports nutrition with experience working in collegiate and professional sports settings, where she has supported high-performance athletes across training and recovery. She is also a certified personal trainer, allowing her to integrate nutrition and performance education in a practical, applied way. In addition, she is a trauma-informed provider. She is completing advanced training in Somatic Experiencing to become a Somatic Experiencing Practitioner (SEP), bringing a comprehensive, whole-person approach to health, performance, and education.