Dietary Strategies to Mitigate Muscle Loss in Aging

As Vietnam navigates its rapid aging population, muscle loss, or sarcopenia, is emerging as a significant health concern. Experts highlight that a diet rich in quality protein, sufficient calcium and vitamin D can help slow down age-related muscle decline. Protein is crucial for building and repairing muscle fibers. With age, the body's ability to synthesize protein in muscles decreases, making adequate intake essential for older adults to maintain muscle mass. The daily protein requirement varies based on weight and activity level, typically ranging from 0.8 to 2 grams per kilogram of body weight. Distributing protein intake evenly across three main meals is recommended to effectively stimulate muscle protein synthesis. Lean meats, fish, shrimp, eggs, yogurt, and legumes are excellent sources of this nutrient. Eating meals regularly ensures the body receives a steady supply of energy and amino acids for muscle maintenance and repair. Conversely, skipping meals or having long gaps between them can increase muscle protein breakdown, contributing to age-related muscle loss. While some individuals cut back on carbohydrates for weight control, excessively low carbohydrate intake can lead the body to use protein for energy, thus reducing muscle maintenance efficiency. Older adults should prioritize slow-absorbing carbohydrate sources like brown rice, oats, sweet potatoes, whole wheat bread, and legumes. These foods provide stable energy and also offer beneficial fiber, vitamins, and minerals. Vitamin D aids calcium absorption and plays a role in muscle contraction and function. Vitamin D deficiency is linked to reduced muscle strength and an increased risk of falls in older adults. Vitamin D can be obtained through sun exposure, fatty fish, egg yolks, and mushrooms. Ensuring sufficient calcium from sources like milk, cheese, and leafy green vegetables is also vital for bone and muscle health. Vegetables and fruits provide vitamin C, potassium, magnesium, and various antioxidants. These nutrients help reduce oxidative stress and chronic inflammation, both of which contribute to muscle aging. A diverse intake of vegetables, especially dark leafy greens, along with fresh fruits, is encouraged to provide ample fiber and vitamins. Dehydration can impair muscle contraction, reduce muscle strength, and increase the risk of fatigue and cramps. Older adults often have a diminished sense of thirst, so they should proactively drink water regularly throughout the day instead of waiting until they feel thirsty. Beyond nutrition, regular exercise is vital for maintaining muscle mass. Strength training exercises such as lifting light weights, using resistance bands, squats, and push-ups, combined with activities like walking, cycling, swimming, or balance exercises, can help mitigate muscle loss and reduce the risk of falls. Information source: VnExpress