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Frequently Asked Questions
Questions about the product
How do the cerascreen blood tests work?
Do I need to take the blood sample on an empty stomach?
How long is the testkit durable?
Do drugs affect the outcome?
Are there also tests for pregnant women?
See all 9 articles
Questions regarding the order, oder process and about the deivery
How can I cancel an order before I receive the product?
How can I revoke my order? (After I got the product)
How can I order the products?
Problems with the discount code entry
When do I receive my order?
See all 9 articles
Questions about the user account
How do I create a user account?
I cannot log in and there is no error message.
I do not receive a confirmation mail to activate my account.
How do I get a new password?
Can several persons/tests be included in one user account?
Questions regarding the sample, sample taking and about the testkit
ID activation – how does that work?
Can I throw the sample into the postbox or do I have to take it to post office?
Taking a blood sample does not work
Can I throw the sample into the pillar box when it's very hot / cold outside?
Is it also possible to take venous blood?
See all 15 articles
Questions about the test result
I have not received a test result - what could be the reason?
The doctor has measured something else - why?
Where do I see my result after the evaluation?
When will I get my test result
Allergy tests (eg: milk and egg, house dust etc.)
Stress Hormone Test
Iron Deficiency Test
Fructose Intolerance Test
See all 21 articles
Shipping and Checkout
Can my order be delivered to a packing station as well?
Is it also possible to pay for tests by cerascreen in instalments?
How long do I have to wait for the result after having sent my blood sample to you?
How do I send the blood sample back to you?
To which countries is shipping possible?
See all 7 articles
I have been eating histamine-poor for one week. Does it make sense to carry out the test in this case ?
Do antihistamines or DOAsin affect the test result?
What is IgE and IgG4?
What is tested during the Food Reaction Test?
Is the food reaction test for food intolerance also testing for histamine intolerance?
Can the Food Reaction Test also measure lactose and gluten?
I have no longer been eating certain foods for some time. Does the test reveal intolerances?
How can I increase my Vitamin D level?
Can vitamin D be overdosed?
I already take vitamin D, when should I stop the preparation so that the test result is not falsified.
Are there any limitations in the determination of vitamin D?
Lactose, Fructose, Sorbitol
What should I pay attention to before performing the test?
Why are the limit values for methane and hydrogen different for the lactose test?
Instructions for utilization
Serotonin - Instructions for Carrying Out
Is the measurement taken from whole blood, serum or plasma?
Is it also possible to measure only one of the minerals?
Should I stop taking B12 supplements before the test?