Olive oil:
1) Provides essential fatty acids that are crucial for hormone production, including hormones like testosterone, which play a role in muscle growth.
2) Rich in monounsaturated fats which provide a steady source of energy and are less likely to be stored as body fat compared to saturated fats.
Nuts:
1) Nuts are high in calories due to their fat content. For example, a small handful (about 28 grams) can provide around 150-200 calories.
2) Nuts is a source of protein, essential for muscle repair and growth. Different nuts vary in protein content, but most provide around 4-7 grams per 28g.