At present, there are many male nutritionists in the third and fourth grades, that is, the legendary senior and intermediate.

Public Nutritionist Professional Qualification Training Course-Public Nutritionist (Basic Knowledge) This book is a compulsory course for Level 3 and Level 4, mainly about the basic knowledge of food nutrition and human body.

Public * * * nutritionist vocational qualification training course-public * * * nutritionist (national vocational qualification level 3) is a three-level skill textbook, and there are four levels.

This is a textbook. In fact, you can master these books thoroughly and get a certificate.

There is no need to do so many questions. The key is to pay attention to small knowledge such as nutrition. You will also find that you can not only learn knowledge, but also get better and better living habits. I am a living example.