# Will a swallow of Orange Juice ruin a fasting blood test? Kinda need answer fast.

**URL:** <https://boards.straightdope.com/t/will-a-swallow-of-orange-juice-ruin-a-fasting-blood-test-kinda-need-answer-fast/654619>\
**Category:** In My Humble Opinion\
**Created:** [April 2, 2013, 12:41pm UTC](https://boards.straightdope.com/t/will-a-swallow-of-orange-juice-ruin-a-fasting-blood-test-kinda-need-answer-fast/654619 "2013-04-02T12:41:47Z")\
**Posts on this page:** 2\
**Page:** 2

<div class="post-metadata">

**Author:** ![Shoeless](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/shoeless/32/7099_2.png) [@Shoeless](https://boards.straightdope.com/u/Shoeless)\
**Post date:** [April 8, 2013, 6:13pm UTC](https://boards.straightdope.com/t/will-a-swallow-of-orange-juice-ruin-a-fasting-blood-test-kinda-need-answer-fast/654619/21 "2013-04-08T18:13:08Z")

</div>

> [@panache45](#):
>
> I had black coffee before a fasting test, and I had to come back the next day. They said nothing but water.

Interesting. Yeah he allows coffee or tea as long as it is straight up, no cream or sugar. But no diet pop or anything else.

---

<div class="post-metadata">

**Author:** ![Yllaria](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/yllaria/32/3452_2.png) [@Yllaria](https://boards.straightdope.com/u/Yllaria)\
**Post date:** [April 8, 2013, 6:42pm UTC](https://boards.straightdope.com/t/will-a-swallow-of-orange-juice-ruin-a-fasting-blood-test-kinda-need-answer-fast/654619/22 "2013-04-08T18:42:18Z")

</div>

Saw a nurse reschedule one because the patient was chewing gum. Patient said it was sugarless. Nurse said that didn’t mean calorie free, and what day do you want to come back.

[Previous page](https://boards.straightdope.com/t/will-a-swallow-of-orange-juice-ruin-a-fasting-blood-test-kinda-need-answer-fast/654619.md?page=1)