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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Description

🩸 Detect the unseen. Own your health with confidence.

DUAL TEST CONVENIENCE - Two complete test kits in one pack for repeat testing or sharing with a loved one—because health is a team effort.
FAST RELIABLE RESULTS - Get precise detection of hidden blood in stool within minutes, empowering proactive health decisions.
COMPREHENSIVE KIT COMPONENTS - Includes cassettes, sample tubes, collection papers, and a quick guide for seamless, at-home testing.
CLEAR EASY TO READ INDICATORS - Simple line-based results eliminate guesswork—two lines mean positive, one line means negative.
TRUSTED AMERICAN CRAFTSMANSHIP - Proudly manufactured in California, ensuring premium quality and reliability you can count on.

Alfa's FIT/iFOB Home Test Kit offers a highly accurate, rapid, and easy-to-use solution for detecting occult blood in stool. Featuring two complete tests per pack, clear visual results in under 7 minutes, and made in the USA, it empowers health-conscious professionals to monitor their wellbeing discreetly and effectively from home.

Reviews

C**Z

I would buy it again and again

A quick and reliable at-home testI used the Alfa Scientific Designs fecal occult blood test and was impressed by how easy it was. I did everything from home—no need to mail samples or register online. I had my results in just a few minutes. It gave me peace of mind knowing it’s over 99% accurate and doesn’t require any dietary restrictions. Perfect for anyone looking for a fast and convenient way to stay on top of their digestive health.

9.07.2025

T**N

Easy To Use

I spare you the gross details. My next colonoscopy is still several months out and I wanted to put my mind at ease over some side pain that I've been having. The test is easy to use, the instructions are clear and understandable and there's with no undesirable cleanup necessary. The results were negative so I'm feeling less anxious.

13.03.2025

B**0

Easy to use

The test was straightforward, easy to use.Test said negative. Hopefully it’s right.

12.02.2024

W**R

Accurate

Got accurate results

18.06.2025

A**R

Blood detector for stool

Easy to use. Simple instructions.

16.02.2025

R**E

Defective- Waste of money!

I bought a two pack and neither test worked. Gave no reading what's so ever. Total waste of money!

29.07.2025

D**R

Satisfied

Took care of the issue excellently

9.11.2024

Y**.

Extremely accurate

There is confusion in the timing to wait between they they say on their two instructions sets inside, as well as the video on their YouTube page. Just measure at all those checkpoints.

17.06.2024

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