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Effects of Dietary Supplements on Muscle Mass and Function While Using GLP-1 Medication
Sponsor: University of California, Los Angeles
Summary
This pilot study will examine whether daily protein supplementation with or without a mixture of culinary spices can help preserve muscle mass and function in adults who are using GLP-1 medications for weight management. The study will include 75 adults who recently started a GLP-1 medication and are experiencing weight loss. Participants will be randomly assigned to one of three groups: standard of care, protein supplementation plus placebo capsules, or protein supplementation plus mixed spice capsules. The study will last 6 months. Researchers will compare changes in muscle mass and muscle function among the groups. Muscle mass will be measured using DEXA and D3-creatine enrichment. Muscle function will be assessed using walking, stair-climbing, and grip-strength tests. The study will also evaluate metabolic and inflammatory markers, body composition, dietary intake, physical activity, fatigue, sleep quality, quality of life, and other measures related to muscle health.
Official title: The Effect of Daily Mixed Spice Consumption and Protein Supplementation on Muscle Mass and Function in Adults Using GLP-1 Agonists for Weight Management: A Pilot Study
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
75
Start Date
2026-09-10
Completion Date
2028-09-01
Last Updated
2026-09-08
Healthy Volunteers
Yes
Interventions
Whey Protein Supplementation
Participants will receive Nutrasumma 100% Whey Protein Isolate (unflavored), providing 20 g whey protein isolate per serving. The 20 g of protein from the shake will count toward the total daily protein goal of 1.2 g/kg lean body mass/day. The remaining protein target will be met through the participant's usual diet.
Maltodextrin Placebo Capsules
Participants will consume placebo capsules containing 4 g of maltodextrin daily for 6 months.
Mixed Spice Capsules
Participants will consume 4 g of mixed spice capsules daily for 6 months. The daily mixture contains 1.0 g turmeric, 1.5 g cinnamon, 0.5 g oregano, 0.5 g black pepper, 0.3 g sage, and 0.2 g thyme.
Locations (1)
UCLA Center for Human Nutrition
Los Angeles, California, United States