Ketogenic diet variations are used clinically for neurological and metabolic disorders with varying efficacy.

“But clinically, what you have is a five to one, which is very extreme high fat, four to one, three to one, two to one, and then a modified ketogenic diet or low glycemic index diet. And all of them are therapeutic in one way or another, and they're used for a variety of different neurological disorders, seizure disorders, metabolic disorders. Some are more efficacious for others, it depends on the individual, it depends on compliance, on the family, there's a lot to be considered when it comes to implementing these approaches.”