For basal long acting test
For corrections and general stuff
The site comes up as unsafe because it’s certificate ran out. But it is safe
For lowcarb total available glucose
With low carb you may need to bolus for some of the protein and fats
https://healthonline.washington.edu/document/health_online/pdf/CarbCountingClassALL3_05.pdf
Just take it one thing at a time. Do your basal. The meals you do have 4 hours before the start. Should be a light meal. Salad no oil for example
All this should be done with medical help and supervision