Nutrient Gaps in GLP-1 Users with Brittany Johnson, PhD, RD
In this episode, Brittany Johnson, a senior scientist at GNC, discusses a recent study focused on the nutritional gaps in users of GLP-1 medications. The conversation covers the study's design, participant demographics, key findings regarding dietary intake, and recommendations for supplementation. Brittany emphasizes the importance of understanding the unique nutritional needs of GLP-1 users and the potential for future research in this area.
About Brittany:
Brittany Johnson, PhD, MS, RDN is a Senior Scientist at GNC Corporate Headquarters. She leads scientific affairs across key health and wellness categories, including weight management and active nutrition. Her work centers on clinical research, evidence-based claim development, and translating complex science to bridge the gap between research and consumer innovation. Dr. Johnson has conducted research with GLP-1 users and authored peer-reviewed publications on nutrient intake while using a GLP-1.
Read the full study here: https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1566498/full
Summary of the findings: https://www.gnc.com/learn/diet/semaglutide-nutritional-gaps-clinical-study.html
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