Final answer:
The optimal amount of protein in each meal for the maintenance of muscle and bone varies depending on factors such as age, gender, and activity level. However, a general guideline for adults is to consume about 20-30 grams of protein per meal.
Step-by-step explanation:
The optimal amount of protein in each meal for the maintenance of muscle and bone varies depending on factors such as age, gender, and activity level. However, a general guideline for adults is to consume about 20-30 grams of protein per meal. This ensures that the body has a steady supply of amino acids, which are the building blocks of protein, to support muscle and bone health.