i have been reading about injecting insulin up to 30min before a meal. i am wondering how many of you out there do this? i usually inject just before i eat, but from what i have been reading it is advisable to inject 30min prior to allow for the insulin to start working as soon as you start to eat. i do have a problem with not feeling lows, so this is a little scary and i fear i may drop before the meal without noticing.
so do you inject right before, or 20-30mins before or right after eating? i know some that inject after a meal so they can decide how many carbs they have eaten afterwards.

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I used to bolus about 20 minutes before eating and for me with Apidra that worked fine. My only variations on that were if I were high I'd do a correction and wait longer and if I were low (in the 50s or 60s) I'd bolus and eat right away, unless the low was below that when I'd take a couple glucose tabs and wait for my blood sugar to come up.

I'm now on Symlin so I bolus one hour after eating, but that's a whole different thing.
I'm like a few others where I used to give my fast acting insulin before I ate - but then sometimes I wouldn't eat as quickly as I thought, or I couldn't eat all that I had on my plate - so stopped doing that. Depending on how my blood sugar (BG) is at the time - I'll sometimes give a correction injection with abit more to cover the food I'm eating - but not all of it - and then test abit later to see how my BG is doing and then either give abit more insulin to keep me at a level that I'm happy with. I use the same method as well with my insulin pump, except I set it up in the programming of my pump with an extended bolus. It all depends as well as to how much protein/fat you have in your meal - as that slows down the absorption of food into your blood sugar. It took me about 30 years to figure this one out and I've been a diabetic most of my life :)
Now that I read your answer I must say that I am adjusting my injection pattern too - it is not that static. High fat and carbs => splitted injection: 60% after eating, 40% later. Low BG before eating => dosage reduction and injection after eating. Only with a normal and stable BG I will inject just before I start to eat.
I use Apidra in an Omnipod. If I'm home I bolus 30 min b4 eating. At a restaurant I usually wait a little bit just incase the meal is late in being served.
20 min. My mg/dl starts down at 25 min. I'm on humalog and low carb. If I have any question at all that i might not have given enough, I test at one hour after eating. If there's any spike, I haven't given enough.
now that i'm on the pump i bolus right before i eat if i'm in range and maybe 10 minutes before if i'm higher. before the pump i would wait to inject after i ate because if i ate more than i predicted i didn't want to give myself a second shot...no wonder i had spiking issues...go pump!!
Using Apidra I inject just before I start eating.
In the case of pizza and other foods with a lot of cheese (can't think of any others at this time) I inject just after i finish eating.
- I'm relatively thin
20 minutes before every meal. If I injected after I ate my BG levels would be 200 or so.
I was told to inject 15 minutes before you take a bite of your food, but I inject as soon as I'm ready to eat and have my food ready.

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