Adequate Protein Intake Crucial to Prevent Sarcopenia in Aging Population
Translated from Malay, summarized and contextualized by DistantNews.
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- Sarcopenia, the loss of muscle mass and strength with aging, is a growing public health challenge, especially in aging populations like Malaysia's.
- Adequate and high-quality protein intake, particularly leucine, is crucial for preventing sarcopenia by stimulating muscle protein synthesis.
- Older adults should aim for balanced protein distribution across meals, with recommendations suggesting around 0.4 grams per kilogram of body weight per meal, and can use supplements if needed.
The gradual loss of strength and energy often associated with aging is not always a normal part of growing old. It can be an early sign of sarcopenia, a condition characterized by the loss of muscle mass and strength that can significantly impair the independence of older adults. Professor Dr. Chan Yoke Mun from Universiti Putra Malaysia highlights that sarcopenia is becoming a major public health concern globally, including in Malaysia, which is rapidly aging.
Malaysia is moving rapidly towards becoming an aging nation, with one in five citizens expected to be aged 60 and above by 2048.
Malaysia is projected to have one in five citizens aged 60 and above by 2048, a demographic shift with profound implications for healthcare, workforce productivity, and national development. Sarcopenia exacerbates the risks of falls, mobility loss, hospitalization, and a diminished quality of life for the elderly.
Preventing sarcopenia hinges on ensuring sufficient intake of high-quality protein. Dr. Chan emphasizes the importance of balanced protein distribution throughout the day and adequate leucine consumption, an amino acid vital for stimulating muscle protein synthesis. The recommendation for older adults is approximately 0.4 grams of protein per kilogram of body weight per meal. For instance, a 50kg individual would need about 20 grams of protein per meal.
Sufficient protein intake, especially the amino acid leucine, is known to activate the mTOR pathway, which stimulates muscle protein synthesis and helps increase muscle mass and strength.
Quality protein sources include lean meats, poultry, fish, eggs, and shrimp, as well as plant-based options like tofu, tempeh, and soy. For older adults experiencing reduced appetite, protein-rich beverages, soy-based drinks, or nutritional supplements can help meet their needs. Importantly, muscle loss can begin as early as age 30, making proactive protein intake relevant across a wider age spectrum than often assumed.
Older adults are advised to consume around 0.4 grams of protein per kilogram of body weight in each meal.
DistantNews Editorial
Originally published by Utusan Malaysia in Malay. Translated, summarized, and contextualized by our editorial team with added local perspective. Read our editorial standards.
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