# FOTF and other Spikes

**URL:** <https://forum.fudiabetes.org/t/fotf-and-other-spikes/12386>\
**Category:** Type 1 & LADA\
**Created:** [February 18, 2022, 5:01pm UTC](https://forum.fudiabetes.org/t/fotf-and-other-spikes/12386 "2022-02-18T17:01:36Z")\
**Posts on this page:** 1\
**Showing post:** 32

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**Author:** ![Trying](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/trying/32/4078_2.png) [@Trying](https://forum.fudiabetes.org/u/Trying)\
**Post date:** [May 23, 2024, 6:12pm UTC](https://forum.fudiabetes.org/t/fotf-and-other-spikes/12386/32 "2024-05-23T18:12:40Z")

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> [@TomH](#):
>
> My understanding is Loop has something similar but boluses up front for the future impact…not nearly the same thing.

Yes, I use “Absorption Time” on the Bolus page for that. You can enter as long as 8 hours which I will often do for something like nuts or other slow acting foods. Not exactly an extended bolus on a pump but works fairly well.

I’m interested in how FPU works. Do you have to do anything special to indicate your meal has fat/protein?

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