Slowly cut your carbs over time.
Do portion control.
Sip 3 litres water daily.
Get 7-8 hours sleep nightly.
Proper hydration and electrolyte levels.

Make sure you do self care daily.
Wash your hands and dry them before stick testing.
Salts or sugars on fingers can skew blood glucose readings.
Dehydration can skew readings.

Good luck.