What is more meaningful BG test results after 1 hr or 2 hrs after a meal???

[provlima 42]

I see various posts on this forum where BG tests are done one hour after a meal and others 2 hours after a meal

If you only want to test once post meal what reading would be more meaningful?  Thanks for your advice

[TX_Clint 18,862]

2

[Kit 27,391]

It really depends on what you are looking for?  Are you trying to catch your highest after meal peak?  Then maybe 1 or 1.5 hours is the better spot to check.

I personally like to be back at base line at 2 hours, so that's when I test most often.

 

People might also check and 3 or 4 hours if they have eaten something they suspect will take a lot longer to spike them, like pizza or similar.

 

I normally stick to 2 hours myself, but may vary if I'm looking for some different information.

[Diana_CT 15,627]

When I was testing after meals my endo said to do it 2 hrs after I ate.

But basically whenever you test just keep testing at the same time so that when you are comparing reading they are all at the same time after you ate. Now I test once a day for a fasting BG reading and that is usually around 5 in the morning.

[stevenal 297]

I'm interested in the peak. The 2 hr. test on the downslope doesn't give me a clue where I started from or what effect the meal had on me. I tried testing at 15 min intervals once, and the 1 hr. mark after the 1st bite was the highest. I then round filed the 2 hr. recommendation along with most of the other ADA non-sense. 1 hr. it is.

[NoraWI 4,809]

Depends upon the information you seek. At 1 hour you catch the peak (highest point BG reaches before going back down). At 2 hours, you should be down to baseline, assuming you tested before your meal for your baseline. Your choice.

[Orlando 10,178]

I test 3 and 5 hours after the first bite for peaks, unless I am testing out a new food, then I test 1,2,3,5 hours later.

[jims_forum 1,250]

My read is as follows:

 

1. Usually most simple to crack carbs is at 2 hours out.

 

2. Complex carbs and hard to crack are 5 hours delay.

 

In fact the two peaks are like teeter totter - usually 2 hour stronger and 5 hour smaller but not always. On spaghetti and pizza the two hour will be a weak sister and the 5 hour strong peak. Thus while 2 hour peak is recommended ; food mix can shift that backwards making the 5 hour the strongest peak. I have watched this frequently on 24/7 CGMS..

[Carol_42 2,226]

When I was testing after meals my endo said to do it 2 hrs after I ate.

But basically whenever you test just keep testing at the same time so that when you are comparing reading they are all at the same time after you ate. Now I test once a day for a fasting BG reading and that is usually around 5 in the morning.

Hi Diana.  Are you saying you test circa the time you wake up in the morning and then again 2-hours after your first meal?  Or do you test 2-hours after your 2nd or 3rd meal?   As soon as my lancets & lancer arrive, I'll be testing every day and I looking for the proper way to test each day.  Thanks.

Carol