What to know
What to know
When to collect your sample
The sample must be collected in the morning, on a Monday - Thursday using the home collection kit* provided and returned and returned on the same day.
Symptoms
Most people with a mild vitamin deficiency will not experience any symptoms. When combined with a varied and balanced diet, testing can help you optimize your levels to make sure your nutritional intake is sufficient.
Symptoms of a vitamin deficiency include but are not limited to:
Weakness, fatigue, or decreased energy levels
Muscle aches and pain
Weakened immune system and increased susceptibility to diseases
Problems with your vision
Poor bone health
Mouth ulcers or changes to your tongue
Pins and needles
Who should be tested
You should monitor your vitamin B12 levels to rule out underlying health conditions or explain symptoms such as exhaustion, brain fog, or digestive issues.
You should be tested if:
You are suffering from chronic fatigue
You are following a plant-based diet
You are planning on becoming pregnant
You are over the age of 50
You suffer from Crohn's infection
You suffer from Coeliac infection
You are deficient in the intrinsic factor, a glycoprotein that plays an important role in absorbing vitamin B12
What's measured
Vitamin B12
Vitamin B12 is one of the eight B vitamins. It is a water-soluble vitamin. Vitamin B12 is responsible for neurological function, producing DNA, maintaining a healthy nervous system, and generating red blood cells which carry oxygen around the body. It is an essential nutrient in pregnancy.
How it works
Collect your sample
Activate your collection kit and collect your sample in the morning. Return your sample on the same day, using the prepaid shipping label provided.


Review accurate results
Once your sample arrives in the laboratory, confidential results will be available from your secure online account within 2 to 5 days.


Get medical support
Our dedicated clinical team is here to support you and may call you to explain your results and provide guidance on your next steps.


Still have questions?
Here are some questions we usually get about LetsGetChecked. If you would like yours answered, please contact us ›
Activating the sample collection kit connects you to the unique alphanumeric barcode within your LetsGetChecked kit. The laboratory cannot process your sample if the kit is not activated and linked to you. You should only activate your kit when you are ready to take your sample.
Yes. LetsGetChecked has a team of doctors, nurses, and healthcare clinicians who will review your order and results and have created detailed result breakdowns for your testing journey.
Our clinical team is on standby throughout the process and, if your test results are abnormal, you may receive a call to discuss your results and the next steps.
The sample must be collected using the sample collection kit* provided, while fasting, on a Monday - Thursday and returned on the same day.
Keeping your personal data secure is important to us. We use appropriate technical and organisational measures to ensure security and confidentiality of your information, and only share your information where required to deliver our products and services or where we have a legal basis to do so. All samples are disposed of following analysis.
Your samples are analysed with CE-marked tests in the same labs used by primary care providers, hospitals, and government programs.
LetsGetChecked laboratories are CPA-approved and ISO-certified, which are the highest levels of accreditation.
Our home sample collection kits are manufactured within our ISO 13485 certified facility, the highest level of accreditation for medical devices.
We don't accept insurance at this time. We work to keep our tests as affordable as possible and our test costs are generally lower than the costs incurred from a trip to a healthcare provider.