got this today, its great. Just wondering, is it possible to get a false negative??

False negatives and false positives are always possible. The probability is the issue. Most gastroenterologists don’t do these tests anymore and don’t trust them. Not reliable. Get a colonoscopy.

Can results change After 7 minutes; I had one line now there are two?

I didn't read about this on the instructions but this is generally why there is a specific amount of time mentioned. Leaving a specimen longer can result in false positives - same as with the Covid tests.

Does this detect prostate cancer?

It does not detect prostate cancer. However, it will determine gastrointestinal bleeding/colorectal cancer. -Alfa Scientific

Does this detect blood in the upper gi tract (stomach, esophagus, etc)?

No. The iFOB test is not indicated to detect blood in the upper GI tract (stomach, esophagus, etc.).

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immunochemical Fecal Occult Blood (iFOB) Home Test and Stool Test for Colorectal Diseases

Product ID: 517127656

Details

Brand
Instant-view
Number of items
1
Number of pieces
2
Special feature
Accurate
Unit count
1 count

🎯Over 99% accuracy

⏱️Results in 4-7 minutes

🇺🇸Made in California, USA

Description

🩺 Stay ahead of your health game with fast, accurate home testing!

DUAL TEST CONVENIENCE - Two tests per kit let you monitor your health twice without extra purchases.
PROUDLY AMERICAN MADE - Crafted by Alfa Scientific Designs in California, supporting quality and trust.
RAPID RELIABLE RESULTS - Get clear, easy-to-read outcomes in under 7 minutes—no waiting, no guessing.
DISCREET USER FRIENDLY - Designed for at-home use with simple instructions and no messy cleanup.
CLINICALLY TRUSTED ACCURACY - Over 99% precision ensures you’re making informed health decisions with confidence.

The Alfa iFOB Home Test Kit offers a quick, over 99% accurate immunochemical fecal occult blood test to detect hidden blood in stool, a key indicator of colorectal health. Each kit includes two easy-to-use tests with clear results in 4-7 minutes, made in the USA by Alfa Scientific Designs for reliable, at-home colorectal disease screening.

Specifications

ASIN	B07BGBSB1K
ASIN	B07BGBSB1K
Batteries	Lithium Metal batteries required.
Brand	Instant-view
Customer Reviews	4.3 4.3 out of 5 stars (337)
Customer reviews	4.3 4.3 out of 5 stars (337)
Date First Available	14 Mar. 2018
Guaranteed software updates until	unknown
Is discontinued by manufacturer	No
Item model number	05-7602-2
Manufacturer	Alfa Scientific Designs
Package Dimensions	14.1 x 10.11 x 2.69 cm; 68 g
Units	1 count

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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