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Answer for What is the best time of day to check for blood ketones?

Depends what you are trying to analyze. If it is just your general state of ketosis, then the morning is a good test as you are generally lowest in blood ketones in the morning and ketones rise after exercise or eat a good keto meal. So if you are in ketosis in the morning (over 0.5 mmol) then it is a good bet you are in a good state of ketosis all day. You can also test before and after a meal to see how a food effects your state of ketosis.