Which of the following best outlines a way to gain credibility?

Gaining credibility in the field of sports nutrition hinges significantly on professional training and education. When someone possesses a recognized qualification or certification in sports nutrition, it not only showcases their knowledge and expertise but also instills confidence in clients and peers. This foundation of understanding the science behind nutrition, diet planning, and its effects on performance and recovery highlights a commitment to professional development and adherence to industry standards.

While networking with other professionals, building a social media following, and offering free consultations can contribute to a professional's reputation, they do not provide the same level of assurance regarding the individual's knowledge and skill level as formal education does. Professional training demonstrates to potential clients that the individual is well-equipped with the necessary tools and knowledge to guide them effectively, which is what ultimately enhances credibility in this specialized field.