What is necessary alongside the 8,000-calorie diet to achieve muscular density, not just fat gain?

Answer

Intense stimulus from heavy weightlifting

Consuming an extreme caloric surplus like 8,000 calories without concurrent, highly targeted physical stimulus would overwhelmingly result in undesirable fat accumulation rather than the required muscular density. The success of Jackman’s diet hinges on coupling this massive caloric intake with an intense training schedule, specifically heavy weightlifting. This intense physical output is necessary to stimulate the muscle fibers throughout the body, signaling them to grow and store the excess energy supplied by the diet as muscle tissue, thereby driving anabolism rather than merely adiposity.

What is necessary alongside the 8,000-calorie diet to achieve muscular density, not just fat gain?
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