The Best Protein Sources After 40

As we age, our bodies gradually begin to lose muscle mass. This process, which typically starts around the age of 30 to 40, can lead to reduced strength, a slower metabolism, increased body fat, and even a higher risk of falls and fractures later in life if left unaddressed. Fortunately, two of the most effective ways to counteract this process are consuming enough protein and engaging in strength training.

Research suggests that adults over 40 may need more protein per meal than younger individuals to effectively stimulate muscle protein synthesis. For this reason, it is recommended to distribute protein intake throughout the day rather than consuming most of it in a single meal. This gives the body more opportunities to support muscle maintenance and growth.

When it comes to protein quality, not all sources are equal. Eggs, fish, chicken, lean red meat, Greek yogurt, low-fat cheese, and whey protein are among the best sources of complete protein. They provide all the essential amino acids, particularly leucine, one of the most important amino acids for stimulating muscle protein synthesis.

People following a plant-based diet also have plenty of good options. Legumes, soy, tofu, tempeh, quinoa, and nuts can help meet daily protein needs. However, combining different plant-based protein sources may be necessary to achieve an amino acid profile comparable to that of animal-based proteins.

Another important point is that simply increasing protein intake is not enough. Without resistance training, many of its benefits may be lost. Exercise and protein work together as partners to deliver the best results.

If your goal is to stay healthy, maintain strength, and prevent excessive body fat gain in the decades ahead, start paying closer attention to both the quality and quantity of protein in your diet today.

References

• American Journal of Clinical Nutrition.

• PROT-AGE Study Group.

• Journal of Cachexia, Sarcopenia and Muscle.

• International Society of Sports Nutrition Position Stand: Protein and Exercise.