Final answer:
Protein supplements are not necessary for athletes to meet their protein needs. High protein foods like meats, dairy, and eggs can provide the necessary amino acids for muscle growth and repair. A balanced diet can meet the protein requirements of most athletes.
Step-by-step explanation:
Protein supplements are not necessary for athletes to meet their additional protein needs. High protein foods such as meats, dairy, and eggs contain all of the essential amino acids in the right amounts to support muscle growth and repair. Vegetarian athletes may need to consume higher protein intakes due to the lower digestibility and amino acid patterns of plant protein sources.
Studies have shown that amino acid supplements and protein powders do not provide any additional benefits compared to a healthy diet. Most athletes can meet their protein needs by consuming a balanced diet that meets their energy requirements.
It is recommended that athletes consume 1.2 to 2.0 grams of protein per kilogram of body weight per day. Higher protein intakes may be needed during periods of intense training or when reducing energy intake.