health freak 

Someone who is so into their health and what they eat that they are phsyco about it.

My mother is a health freak.

health freak by meg April 17, 2005

Health food freak 

A person who is obsessed with healthy eating e.g. one who cuts salt and sugar intake, eats organic, avoids processed food and is scared of eating unhealthy.

I an such a health food freak, I am even scared of hanging out with friends!

Health food freak by Mkaur May 11, 2018