Nutritional Timing and Muscle Protein Synthesis in Older Adults

Key Findings

• Nutritional timing, particularly protein intake around resistance training sessions, can significantly influence muscle protein synthesis in older adults.
• Consuming protein-rich meals immediately post-exercise enhances muscle recovery and growth more effectively than delayed intake.
• Older adults may benefit from evenly distributed protein intake throughout the day to maximize muscle protein synthesis.
• Frequent, smaller doses of protein (every 3-4 hours) are more effective for muscle protein synthesis than larger, infrequent meals.
• The type of protein consumed matters; whey protein has been shown to stimulate muscle protein synthesis more effectively than casein in older populations.

Practical Applications

• Encourage older clients to consume a protein-rich meal or supplement within 30 minutes post-resistance training to enhance muscle recovery.
• Design meal plans that distribute protein intake evenly across all meals to support muscle maintenance and growth.
• Incorporate whey protein into nutrition plans for older adults to optimize muscle recovery and growth.

Sources

• https://link.springer.com/article/10.1186/s12937-025-01244-z