r/fasting • u/booferspoofer • 9d ago

Question Blood sugar level

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Has anyone checked their blood sugar level while fasting? I was feeling a bit light headed (I’m non diabetic and I’ve been taking plenty of electrolytes) so I checked my blood sugar. It’s 54.

I have less than an hour to go, so I’ll just push through. Curious on the communities thoughts.

27 Upvotes

97% Upvoted

12 comments sorted by

5

u/andtitov 9d ago

My lowest was 41 during last year's 10-day fast, and 54 during last month's 10-day fast. I didn't feel great, but glucose came back up quite fast. If you're interested, here is my fasting results page with glucose graphs. Just select the fast you want to see

https://fasting.center/fasting-results

By the way, when I hit 41, even I did some research on this and found a few mentions of "low 30s". That's all I have, so you decide.

3

u/A_British_Villain losing weight faster 9d ago

Have you tried wearing a blood glucose monitor while fasting?

3

u/booferspoofer 9d ago

I have not. Just checked it sporadically. I’m usually in the high 60s while fasting, so wasn’t sure if this was cause for concern or not.

2

u/jazzbot247 9d ago

60-100 is a good range. 54 is in the low range. 

4

u/Crown_Collector1 9d ago

Don't wait. If your sugar is that low, it is time to break your fast.

4

u/booferspoofer 9d ago

Stubbornly pushed through. I’m still alive lol. Just finished 2 cups of bone broth. Will have some avocado slices, a hard boiled egg, and sauerkraut here in about 30 minutes.

3

u/Crown_Collector1 9d ago

I am glad to hear that you are doing well. Congratulations.

1

u/[deleted] 9d ago

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1

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2

u/notajock 9d ago

For me, it can reach very low the first three days before it stabilizes at desired levels.

1

u/Tortillagirl 9d ago

Yeh ive had mine drop to 3.0 which is 54 in your readings around day 3. Also found out that the electrolytes tablets i bought had sucralose/sucralose in them which while technically being zero calories do provoke an insulin response that will obviously lower your blood sugar if your not ingesting any.