"Ketonline supports you in all matters  of nutrition concepts."

Jan Prinzhausen,
Diplom Trophologe


Your Coach …

Dipl. troph. Jan Prinzhausen

Jan Prinzhausen was born in 1973 in Weimar (Germany). He is a recognized researcher in the area of dietetics. 

In addition, he is

  • the founder of KETOLINE
  • an instructor and lecturer at the German College for Prevention and Health Management (Deutsche Hochschule für Prävention und Gesundheitsmanagement)
  • a certified nutritionist (internationally) for top athletes and for the Thuringian Olympic team
  • the author of three books on the subject of nutrition for athletes and on the subject of losing weight
  • a product developer and editor of texts for the food industry.