keto science It may be more helpful to put into this context: If we were talking about a medication instead of food, would you consider it sound advice to say that taking a certain drug "might be safe, but definitely not safe for everyone, and it may only work temporarily and cause damage to other biological systems?" Not so much.
http://topdietbrand.com/keto-science/

https://www.youtube.com/watch?v=B8tBVGjSS3o