Will last for hours after you've eaten them so and he goes into what kinds the darker greens the better he also if you have a problem with eating oxalates if you get kidney stones if Ketosium XS Keto
Ketosium XS Keto you're predisposed to that he talks about that in here in regards to eating the dark leafy greens so that's all addressed in this book see if your library has it.
https://ketofasttrim.com/ketosium-xs-keto/
https://infinityinsuranceinfo.com/ketosium-xs-keto/