1. Beef is the first choice for weightlifters and fitness enthusiasts. It is rich in sarcosine, which can promote muscle development and make the human body more powerful. Beef is also rich in carnitine, which contributes to human fat metabolism and promotes muscle growth. In addition, the calorie of lean beef is even lower than that of chicken breast, only 107 calories/100g.
2. The average fat content of mutton is less than that of beef and pork, and the cholesterol is also less than that of beef and pork. Mutton is rich in calcium, which is also very important for muscle growth and recovery.
Generally speaking, beef and mutton are rich in high-quality protein and a variety of key amino acids to promote muscle growth, but the specific choice depends on personal physique and eating habits. It is very beneficial to eat these meats in moderation during muscle gain.