Which of the following outlines a policy example of regulation as an intervention strategy?

The correct answer outlines a policy example of regulation as an intervention strategy because it involves a structured process that mandates specific actions from athletes, such as submitting meal logs and morning scale weights. This requirement represents a regulatory approach, as it establishes rules that athletes must follow to monitor their dietary intake and body weight. By collecting this data, coaches and nutritionists can ensure adherence to nutritional guidelines and assess compliance, which can drive further interventions if needed.

The other options relate more to supportive or educational strategies rather than regulatory measures. Implementing a nutrition education program focuses on providing knowledge but does not involve mandated participation or compliance tracking. Conducting monthly fitness assessments serves the purpose of evaluating an athlete's progress, but again, it lacks the regulatory component of enforced reporting. Providing access to nutritional supplements offers resources without imposing any rules or tracking mechanisms required of the athlete. Thus, option B distinctly embodies the essence of regulation in the context of nutritional intervention strategies.