3 min readDelhiMay 19, 2026 05:20 PM IST
Introduction: A recent study highlights promising findings for older adults dealing with muscle loss. The research underscores the benefits of whey protein combined with resistance training in enhancing muscle mass and strength.
According to a new study published in the journal Nutrients, participants who incorporated whey protein with resistance training experienced significant gains in muscle mass and leg strength.
The meta-analysis, conducted by Taipei Medical University and the University of Washington, analyzed data from 235 randomized controlled trials involving approximately 21,000 participants aged 50 to 89.
The study included community-dwelling, institutionalized, and hospitalized older adults.
It examined the efficacy of various protein types—such as whey, milk, casein, collagen, meat, soy, rice, and oat—both in conjunction with and apart from physical exercise modalities (including resistance training, aerobic exercise, and multicomponent training).
This summary reflects the findings of a trial. It is advisable for readers to consult a qualified healthcare professional before starting any new diet or exercise program.
Whey protein, derived from cow’s milk, is highly regarded for its rich content of essential amino acids, which aid in the repair of muscle fibers during workout stress. Notably, it contains a high level of leucine, an important amino acid vital for muscle growth.
Resistance training imposes stress on muscle fibers, inciting a repair and adaptation process. This results in muscle growth when protein synthesis exceeds protein breakdown.
Protein is a crucial macronutrient essential for building and maintaining muscle. While it is present in both plant and animal sources, the nutritional profile can differ significantly.
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For those who are lactose intolerant or prefer plant-based options, leucine can still be obtained from a variety of other protein-rich foods.
Muscle development continues through childhood, adolescence, and early adulthood. However, around the age of 30, muscle mass begins to decline, with more rapid loss observed after 65, increasing the risk of falls and injuries.
Experts recommend resistance training—using light weights, resistance bands at home, or weighted vests during walks—as beneficial for older adults. While general guidelines suggest strength training twice a week, performance physiologist Mark Kovacs has noted that three to four days a week is optimal.
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(This article has been curated by Seekriti Saha, an intern with The Indian Express)
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Conclusion: The study underscores the importance of combining proper nutrition, particularly through whey protein, with resistance training to combat age-related muscle loss. Older adults are encouraged to engage in regular strength-training exercises to maintain their muscle health and overall well-being.
