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Keto Strip Testing

In your experience, what fast length do you start to get positive results from the keto test strips? I've read that 16-18 hours should start going into ketosis but started testing after 18 hours and it's not registering anything.

Answer

I had a positive result after 3 days on keto but when I tried during IF I didn’t get any reading. Tbh I’m not too familiar with ketosis in IF but reaching ketosis in IF doesn’t make sense to me since it takes days on keto. I’m diabetic and I disagree with another poster, it’s my understanding those urine strips will detect ketosis .