It makes it really easy to see which foods spike it, which ones ramp it up slowly, and which ones don't affect it much at all. I've also found that exercise (a brink 10-15 minute walk, or more) can often flatten a spike or reverse a high reading, giving me room to treat myself a bit more and then keep an eye on the numbers as long as I have the time to go for a walk after a meal.
I also adjust what I have for meals based on the CGM reading, or walk a bit before lunch if breakfast seems to have kept my numbers high longer than expected. If it's been high for a bunch of the day (like the day where I took a sushi roll making class and therefore had a lot more carbs at lunch than I should have) I'll walk it off and have a very low carb dinner.
(It's also helped me be less of an unthinking snacker, which is a separate but very useful effect in and of itself.)
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It makes it really easy to see which foods spike it, which ones ramp it up slowly, and which ones don't affect it much at all. I've also found that exercise (a brink 10-15 minute walk, or more) can often flatten a spike or reverse a high reading, giving me room to treat myself a bit more and then keep an eye on the numbers as long as I have the time to go for a walk after a meal.
I also adjust what I have for meals based on the CGM reading, or walk a bit before lunch if breakfast seems to have kept my numbers high longer than expected. If it's been high for a bunch of the day (like the day where I took a sushi roll making class and therefore had a lot more carbs at lunch than I should have) I'll walk it off and have a very low carb dinner.
(It's also helped me be less of an unthinking snacker, which is a separate but very useful effect in and of itself.)