Peanut Protein Plus Resistance Training Shows Promise for Fighting Age-Related Muscle Loss

Auburn University researchers conducted a 10-week clinical trial to investigate whether peanut protein supplementation could enhance muscle adaptations from resistance training in older adults. The study specifically targeted sarcopenia, the progressive loss of muscle mass and strength that significantly impacts quality of life and independence as people age.

The trial enrolled 41 older adult men and women who participated in a structured full-body resistance training program. Participants were divided into groups, with some receiving peanut protein powder supplementation alongside their exercise regimen. The intervention lasted 10 weeks, allowing researchers to measure meaningful changes in muscle composition and function.

Researchers evaluated various markers of muscle quality and health, examining how skeletal muscle adapted to the combined intervention of exercise and protein supplementation. The study design allowed for comparison between those receiving peanut protein and control participants to isolate the specific effects of this plant-based protein source.

This research addresses a critical health concern for aging populations, as sarcopenia affects approximately 10% of adults over 60 and contributes to falls, fractures, and loss of independence. The focus on peanut protein is particularly relevant as plant-based proteins become increasingly popular alternatives to traditional animal-based supplements. The completed status of this trial provides valuable data on whether accessible, affordable peanut protein can effectively support muscle health in older adults when combined with appropriate exercise interventions.