While the ketogenic diet itself is fairly simple and straightforward – get 75% of your daily calories from fat, and keep carb intake under 5% of your calories – it can be quite confusing and complicated to understand how it all actually works.
This hand-drawn and animation type video from the PictureFit YouTube Channel does a pretty good job of explaining the details of how it all works.
…a good video for introducing someone you know to the Ketogenic Diet, explaining it in simple terms, in less than 5 minutes.