My ketone Lvl low when prolonged fasting

[yuxinhong]

I have searched everywhere but seems i can’t find answer
I have on day 5 of 7-10 days water only fasting.
but my ketone lvl is low compared to everyone else including my wife. does anyone know why?
in 2019
before fast ketone 0.5-0.8 mmol’L
1 day ketone 1.5
3 day ketone 3.2 my wife 4.1
4 day ketone 3.2 my wife 6.2

This time 2020
2 day 0.9
5 day 3.2 my wife 5.3

is there something wrong?

thank you for your help

[amwassil]

Short answer: no

Longer answer:

3.5 blood ketones in the morning, 1.1 ketones at night - normal?

I’ve slowly come around to the opinion that unless you need to have β hydroxybutyrate at specified concentrations due to a medical condition and/or treatments, measuring ketones is useful only to determine whether or not you’ve got them. If you do, you’re in ketosis. Chasing numbers is a fool’s gambit. It’s true that β hydroxybutyrate bathing your innards is a healthful thing and to some extent more is probably better than less. Even so ketones vary in concentration quickly and greatly, useful i…

[ctviggen]

My ketone levels are substantially less than they used to be, too.